Nickel 200
General Description
Commercially wrought Nickel 200 ( UNS N02200) , a grade of pure nickel contains 99.2% nickel, has excellent mechanical properties, magnetic properties, high thermal, electrical conductivity and excellent resistance to many corrosive environment. Nickel 200 is useful in any environment below 600℉(315℃). It has highly resistance to neutral and alkaline salt solutions. Nickel 200 also has low corrosion rates in neutral and distilled water.
The applications of pure nickel includes food processing equipment, magnetostrictive devices and rechargeable batteries, computers, cellular Phone, power tools, camcorders and so on.
Chemical Composition
Physical Data
Typical Mechanical Properties
Our Production Standard
All Trademarks and/or Trade names are the properties of their respective owners
Commercially wrought Nickel 200 ( UNS N02200) , a grade of pure nickel contains 99.2% nickel, has excellent mechanical properties, magnetic properties, high thermal, electrical conductivity and excellent resistance to many corrosive environment. Nickel 200 is useful in any environment below 600℉(315℃). It has highly resistance to neutral and alkaline salt solutions. Nickel 200 also has low corrosion rates in neutral and distilled water.
The applications of pure nickel includes food processing equipment, magnetostrictive devices and rechargeable batteries, computers, cellular Phone, power tools, camcorders and so on.
Chemical Composition
| Alloy | Ni% | Mn% | Fe% | Si% | Cu% | C% | S% |
|---|---|---|---|---|---|---|---|
| Nickel 200 | Min 99.2 | Max 0.35 | Max 0.4 | Max 0.35 | Max 0.25 | Max 0.15 | Max 0.01 |
| Density | 8.89g/cm3 |
|---|---|
| Specific Heat | 0.109(456 J/kg.℃) |
| Electrical Resistivity | 0.096×10-6ohm.m |
| Melting Point | 1435-1446℃ |
| Thermal Conductivity | 70.2 W/m-K |
| Mean Coeff Thermal Expansion | 13.3×10-6m/m.℃ |
| Mechanical Properties | Nickel 200 |
|---|---|
| Tensile Strength | 462 Mpa |
| Yield Strength | 148 Mpa |
| Elongation | 47% |
| Bar | Forging | Pipe | Sheet/Strip | Wire | |
|---|---|---|---|---|---|
| ASTM | ASTM B160 | ASTM B564 | ASTM B161/B163/B725/B751 | AMS B162 | ASTM B166 |
Nickel 201
General Description
Nickel 201 is a low carbon variety compared with Nickel 200, possessing low annealed hardness and a very low work-hardening rate, desirable for cold forming operations. It is highly resistant to corrosion by neutral and alkaline salt solutions, fluorine and chlorine, but in oxidising salt solutions severe attack will occur.
The applications of pure nickel includes food and synthetic fiber processing equipment, electronic parts, aerospace and missile components, handling of sodium hydroxide above 300℃.
Chemical Composition
Physical Data
Typical Mechanical Properties
Our Production Standard
All Trademarks and/or Trade names are the properties of their respective owners
Nickel 201 is a low carbon variety compared with Nickel 200, possessing low annealed hardness and a very low work-hardening rate, desirable for cold forming operations. It is highly resistant to corrosion by neutral and alkaline salt solutions, fluorine and chlorine, but in oxidising salt solutions severe attack will occur.
The applications of pure nickel includes food and synthetic fiber processing equipment, electronic parts, aerospace and missile components, handling of sodium hydroxide above 300℃.
Chemical Composition
| Alloy | Ni% | Mn% | Fe% | Si% | Cu% | C% | S% |
|---|---|---|---|---|---|---|---|
| Nickel 201 | Min 99 | Max 0.35 | Max 0.4 | Max 0.35 | Max 0.25 | Max 0.02 | Max 0.01 |
| Density | 8.9g/cm3 |
|---|---|
| Specific Heat | 0.109(456 J/kg.℃) |
| Electrical Resistivity | 0.085×10-6ohm.m |
| Melting Point | 1435-1445℃ |
| Thermal Conductivity | 79.3 W/m-K |
| Mean Coeff Thermal Expansion | 13.1×10-6m/m.℃ |
| Mechanical Properties | Nickel 201 |
|---|---|
| Tensile Strength | 403 Mpa |
| Yield Strength | 103 Mpa |
| Elongation | 50% |
| Bar | Forging | Pipe | Sheet/Strip | Wire | |
|---|---|---|---|---|---|
| ASTM | ASTM B160 | ASTM B564 | ASTM B161/B163/B725/B751 | AMS B162 | ASTM B166 |
All Trademarks and/or Trade names are the properties of their respective owners
Hastelloy C22
General Description
Hastelloy C22 is a variant of Hastelloy C276 and has better resistance to chloride-induced localized corrosion and SCC than Hastelloy C4 and Inconel 625. In this alloy, the chromium content was raised to approximately 21% and molybdenum content reduced to approximately 13%. It also contains approximately 0.2% V and 1.7% Co.
Hastelloy C22 has outstanding resistance to pitting, crevice corrosion, and stress-corrosion cracking. It has excellent resistance to oxidizing aqueous media including wet chlorine and mixtures containing nitric acid or oxidizing acids with chloride ions. Hastelloy C22 also offers optimum resistance to environments where reducing and oxidizing conditions are encountered in process streams. Because of this versatility, it can be used where upset conditions are likely to occur or in multipurpose plants.
Inconel 22 can be used for many applications such as marine, power, chemical processing, pollution control, paper processing, and waste disposal industries.
Chemical Composition
Specifications
Physical Properties
Mechanical Properties
Our Production Standard
Size Range
Hastelloy C22 wire, bar, rod, forging, plate, sheet, tube and other standard forms are available.
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Hastelloy C276
Hastelloy C22 is a variant of Hastelloy C276 and has better resistance to chloride-induced localized corrosion and SCC than Hastelloy C4 and Inconel 625. In this alloy, the chromium content was raised to approximately 21% and molybdenum content reduced to approximately 13%. It also contains approximately 0.2% V and 1.7% Co.
Hastelloy C22 has outstanding resistance to pitting, crevice corrosion, and stress-corrosion cracking. It has excellent resistance to oxidizing aqueous media including wet chlorine and mixtures containing nitric acid or oxidizing acids with chloride ions. Hastelloy C22 also offers optimum resistance to environments where reducing and oxidizing conditions are encountered in process streams. Because of this versatility, it can be used where upset conditions are likely to occur or in multipurpose plants.
Inconel 22 can be used for many applications such as marine, power, chemical processing, pollution control, paper processing, and waste disposal industries.
Chemical Composition
| Grade | Ni% | Cr% | Mo% | Fe% | C% | Mn% | Si% | Co% | W% | V% | S% | P% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hastelloy C22 | Bal. | 20.0-22.5 | 12.5-14.5 | 2.0-6.0 | Max 0.015 | Max 0.5 | Max 0.08 | Max 2.5 | 2.5-3.5 | Max 0.35 | Max 0.02 | Max 0.02 |
| Grade | UNS | Werkstoff Nr. |
|---|---|---|
| Hastelloy C22 | N06022 | 2.4602 |
| Grade | Density | Melting Point |
|---|---|---|
| Hastelloy C22 | 8.9 g/cm3 | 1325°C-1370°C |
| Hastelloy C22 | Tensile Strength | Yield Strength RP0.2% | Elongation |
|---|---|---|---|
| Solution Treatment | 690 MPa | 283 MPa | 40% |
| Bar | Forging Parts | Welded Tube | Seamless Tube | Sheet/Plate | Wire | |
|---|---|---|---|---|---|---|
| ASTM | ASTM B574 | ASTM B564 | ASTM B619 | ASTM B622 | ASTM B575 |
Hastelloy C22 wire, bar, rod, forging, plate, sheet, tube and other standard forms are available.
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Hastelloy C276
General Description
Hastelloy C276 alloy is a nickel-molybdenum-chromium wrought alloy which has exceptional resistance to many of the most severe media. Hastelloy C276 is an improved version of Hastelloy C and has improved fabricability.
Alloy C276 has exceptional resistance to many of the most severe media encountered in chemical processing, including reducing and oxidizing acids, highly oxidizing neutral and acid chlorides, solvents, formic and acetic acids, acetic anhydride, wet chlorine gas, hypochlorites, and chlorine solutions. It has excellent resistance to phosphoric acid. Alloy C276 also resists sulfide stress cracking and stresscorrosion cracking in sour gas environments containing hydrogen sulfide, carbon dioxide, and chlorides.
Hastelloy C276 is used in flue gas desulfurization systems because of its excellent resistance to sulfur compounds and chloride ions encountered in most scrubbers. Alloy C276 has excellent resistance to pitting and to stress corrosion cracking. It is also one of the few materials that withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide.
Chemical Composition
Specifications
Physical Properties
Mechanical Properties
Our Production Standard
Welding of Hastelloy C276
All of the common methods of welding can be used to weld Hastelloy C276.
Recommend filler wire regarding welding is: ERNiCrMo-4.
Size Range
Hastelloy C276 wire, bar, rod, forging, plate, sheet, tube, fastener and other standard forms are available.
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Hastelloy C276 alloy is a nickel-molybdenum-chromium wrought alloy which has exceptional resistance to many of the most severe media. Hastelloy C276 is an improved version of Hastelloy C and has improved fabricability.
Alloy C276 has exceptional resistance to many of the most severe media encountered in chemical processing, including reducing and oxidizing acids, highly oxidizing neutral and acid chlorides, solvents, formic and acetic acids, acetic anhydride, wet chlorine gas, hypochlorites, and chlorine solutions. It has excellent resistance to phosphoric acid. Alloy C276 also resists sulfide stress cracking and stresscorrosion cracking in sour gas environments containing hydrogen sulfide, carbon dioxide, and chlorides.
Hastelloy C276 is used in flue gas desulfurization systems because of its excellent resistance to sulfur compounds and chloride ions encountered in most scrubbers. Alloy C276 has excellent resistance to pitting and to stress corrosion cracking. It is also one of the few materials that withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide.
Chemical Composition
| Grade | Ni% | Cr% | Mo% | Fe% | C% | Mn% | Si% | Co% | W% | V% | S% | P% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hastelloy C276 | Bal. | 15.0-16.5 | 15.0-17.0 | 4.0-7.0 | Max 0.01 | Max 1.0 | Max 0.08 | Max 2.5 | 3.0-4.5 | 0.1-0.3 | Max 0.01 | Max 0.015 |
| Grade | UNS | Werkstoff Nr. |
|---|---|---|
| Hastelloy C276 | N10247 | 2.4819 |
| Grade | Density | Melting Point |
|---|---|---|
| Hastelloy C276 | 8.3g/cm3 | 1260°C-1355°C |
| Hastelloy C276 | Tensile Strength | Yield Strength RP0.2% | Elongation |
|---|---|---|---|
| Solution Treatment | 690 N/mm² | 283 N/mm² | 40% |
| Bar | Forging Parts | Welded Tube | Seamless Tube | Sheet/Strip | Wire | |
|---|---|---|---|---|---|---|
| ASTM | ASTM B574 | ASTM B564 | ASTM B619/B626 | ASTM B622 | ASTM B575 |
All of the common methods of welding can be used to weld Hastelloy C276.
Recommend filler wire regarding welding is: ERNiCrMo-4.
Size Range
Hastelloy C276 wire, bar, rod, forging, plate, sheet, tube, fastener and other standard forms are available.
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Hastelloy B2
General Description
Hastelloy B2 is nickel-molybdenum alloy with lower carbon compared with Hastelloy B, which exhibits superior resistance to hydrochloric acid, aluminum chloride catalysts, and other strongly reducing chemicals.
Hastelloy B2 is suitable for most chemical process applications in the as-welded condition. Well suited for equipment handling hydrochloric acid in all concentrations and temperatures. Resistant to hydrogen chloride gas and sulfuric, acetic, and phosphoric acids. Principal high-temperature uses are those in which a low coefficient of thermal expansion is required.
Exposure to temperatures of 540 to 815 °C (1000–1500 °F) should be avoided because of a reduction in the ductility of the alloy. In oxidizing gases such as air, Alloy B2 can be used at temperatures up to 540 °C (1000 °F). In reducing gases or in vacuum, the alloy can be used from 815 °C (1500 °F) to substantially higher temperatures. Ferric or cupric salts might develop when hydrochloric acid comes in contact with iron or copper, so Hastelloy B2 should not be used with copper or iron piping in a system containing hydrochloric acid.
Chemical Composition
Specifications
Physical Properties
Mechanical Properties
Our Production Standard
Size Range
Hastelloy B2 bar, rod, forging, plate, sheet, tube and other standard forms are available.
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Hastelloy B2 is nickel-molybdenum alloy with lower carbon compared with Hastelloy B, which exhibits superior resistance to hydrochloric acid, aluminum chloride catalysts, and other strongly reducing chemicals.
Hastelloy B2 is suitable for most chemical process applications in the as-welded condition. Well suited for equipment handling hydrochloric acid in all concentrations and temperatures. Resistant to hydrogen chloride gas and sulfuric, acetic, and phosphoric acids. Principal high-temperature uses are those in which a low coefficient of thermal expansion is required.
Exposure to temperatures of 540 to 815 °C (1000–1500 °F) should be avoided because of a reduction in the ductility of the alloy. In oxidizing gases such as air, Alloy B2 can be used at temperatures up to 540 °C (1000 °F). In reducing gases or in vacuum, the alloy can be used from 815 °C (1500 °F) to substantially higher temperatures. Ferric or cupric salts might develop when hydrochloric acid comes in contact with iron or copper, so Hastelloy B2 should not be used with copper or iron piping in a system containing hydrochloric acid.
Chemical Composition
| Grade | Ni% | Cr% | Mo% | Fe% | C% | Mn% | Si% | Co% | S% | P% |
|---|---|---|---|---|---|---|---|---|---|---|
| Hastelloy B2 | Bal. | Max 1.0 | 26.0-30.0 | Max 2.0 | Max 0.02 | Max 1.0 | Max 0.10 | Max 1.0 | Max 0.03 | Max 0.04 |
| Grade | UNS | Werkstoff Nr. |
|---|---|---|
| Hastelloy B2 | N10665 | 2.4617 |
| Grade | Density | Melting Point |
|---|---|---|
| Hastelloy B2 | 9.2 g/cm3 | 1330°C-1380°C |
| Hastelloy B2 | Tensile Strength | Yield Strength RP0.2% | Elongation |
|---|---|---|---|
| Solution Treatment | 745 MPa | 325 MPa | 40% |
| Bar | Forging Parts | Welded Tube | Seamless Tube | Sheet/Plate | Wire | |
|---|---|---|---|---|---|---|
| ASTM | ASTM B335 | ASTM B564 | ASTM B626 | ASTM B622 | ASTM B333 |
Hastelloy B2 bar, rod, forging, plate, sheet, tube and other standard forms are available.
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Hastelloy B3
General Description
Hastelloy B3 is nickel-molybdenum alloy which has the same excellent resistance to hydrochloric acid and other strongly reducing chemicals as Hastelloy B2, but with significantly better thermal stability, fabricability and SCC resistance.
Specifications
Physical Properties
Mechanical Properties
Our Production Standard
Size Range
Hastelloy B3 bar, rod, forging, plate, sheet, tube and other standard forms are available.
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Hastelloy B3 is nickel-molybdenum alloy which has the same excellent resistance to hydrochloric acid and other strongly reducing chemicals as Hastelloy B2, but with significantly better thermal stability, fabricability and SCC resistance.
Hastelloy B3 has been primarily used for their resistance to corrosion in nonoxidizing environments such as HCl.But it is is not recommended for use in the presence of ferric or cupric salts because these salts can cause premature failure.
Hastelloy B3 is well suited for equipment handling hydrochloric acid in all concentrations and temperatures. Resistant to hydrogen chloride gas and sulfuric, acetic, and phosphoric acids. Principal high-temperature uses are those in which a low coefficient of thermal expansion is required.
Chemical Composition| Grade | Ni% | Cr% | Mo% | Fe% | C% | Mn% | Si% | Co% | S% | P% | Cu% | Ti% | Al% | Nb% | V% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hastelloy B3 | Min 65.0 | 1.0-3.0 | 37.0-32.0 | 1.0-3.0 | Max 0.01 | Max 1.0 | Max 0.10 | Max 3.0 | Max 0.01 | Max 0.03 | Max 0.2 | Max 0.2 | Max 0.5 | Max 0.2 | Max 0.2 |
| Grade | UNS |
|---|---|
| Hastelloy B3 | N10675 |
| Grade | Density | Melting Point |
|---|---|---|
| Hastelloy B3 | 9.22 g/cm3 | 1370°C-1418°C |
| Grade | Tensile Strength | Yield Strength 0.2% | Elongation |
|---|---|---|---|
| Hastelloy B3 | 960 MPa | 417 MPa | 53.4% |
| ASTM | Bar | Forging Parts | Welded Tube | Seamless Tube | Sheet/Plate |
|---|---|---|---|---|---|
| Hastelloy B3 | ASTM B335 | ASTM B564 | ASTM B626 | ASTM B622 | ASTM B333 |
Hastelloy B3 bar, rod, forging, plate, sheet, tube and other standard forms are available.
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Hastelloy C4
General Description
Hastelloy C4 is a nickel-chromium-molybdenum alloy which has improved thermal stability. In this alloy, the tungsten was totally omitted and the iron content was reduced to approximately 1%. The alloy also contains approximately 0.3% Ti.
Outstanding high-temperature stability; exhibits good ductility and corrosion resistance after long-time aging at 650 to 1040 °C (1200–1900 °F). Resists formation of grain-boundary precipitates in weld heat-affected zones, and is suitable for most chemical process applications in the as-welded condition. Has excellent resistance to stress-corrosion cracking and to oxidizing atmospheres up to 1040 °C (1900 °F).
Hastelloy C4 has exceptional resistance to a variety of chemical process environments, including hot contaminated mineral acids, solvents, chlorine, and chlorine-contaminated media (organic and inorganic, dry chlorine, formic and acetic acids, acetic anhydride, seawater, and brine). The general corrosion resistance of Alloy C276 and Alloy C4 was essentially the same in many corrosive environments, except that in strongly reducing media like hydrochloric acid, Alloy C276 was better; but in highly oxidizing media, the opposite was true, that is, Alloy C4 was better. Alloy C4 offers good corrosion resistance to a wide variety of media including organic acids and acid chloride solutions. This alloy has found greater acceptance in European countries in contrast to Alloy C276, which is more widely used and accepted in the United States.
Chemical Composition
Specifications
Physical Properties
Mechanical Properties (20°C Min)
Our Production Standard
Size Range
Hastelloy C4 wire, bar, rod, forging, plate, sheet, tube, fastener and other standard forms are available.
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Hastelloy C4 is a nickel-chromium-molybdenum alloy which has improved thermal stability. In this alloy, the tungsten was totally omitted and the iron content was reduced to approximately 1%. The alloy also contains approximately 0.3% Ti.
Outstanding high-temperature stability; exhibits good ductility and corrosion resistance after long-time aging at 650 to 1040 °C (1200–1900 °F). Resists formation of grain-boundary precipitates in weld heat-affected zones, and is suitable for most chemical process applications in the as-welded condition. Has excellent resistance to stress-corrosion cracking and to oxidizing atmospheres up to 1040 °C (1900 °F).
Hastelloy C4 has exceptional resistance to a variety of chemical process environments, including hot contaminated mineral acids, solvents, chlorine, and chlorine-contaminated media (organic and inorganic, dry chlorine, formic and acetic acids, acetic anhydride, seawater, and brine). The general corrosion resistance of Alloy C276 and Alloy C4 was essentially the same in many corrosive environments, except that in strongly reducing media like hydrochloric acid, Alloy C276 was better; but in highly oxidizing media, the opposite was true, that is, Alloy C4 was better. Alloy C4 offers good corrosion resistance to a wide variety of media including organic acids and acid chloride solutions. This alloy has found greater acceptance in European countries in contrast to Alloy C276, which is more widely used and accepted in the United States.
Chemical Composition
| Grade | Ni% | Cr% | Mo% | Fe% | C% | Mn% | Si% | Co% | Ti% | P% | S% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hastelloy C4 | Bal. | 14.5-17.5 | 14.0-17.0 | Max 3.0 | Max 0.009 | Max 1.0 | Max 0.05 | Max 2.0 | Max 0.7 | Max 0.025 | Max 0.010 |
| Grade | UNS | Werkstoff Nr. |
|---|---|---|
| Hastelloy C4 | N06455 | 2.4610 |
| Grade | Density | Melting Point | Electrical Resistivity | Mean Coefficient of Thermal Expansion | Thermal Conductivity | Specific Heat |
|---|---|---|---|---|---|---|
| Hastelloy C4 | 8.6g/cm3 | 1335°C-1380°C | 1.24 μΩ•m | 10.9(100°C) a/10-6°C-1 | 10.1(100°C) λ/(W/m•°C) | 408 J/kg•°C |
| Hastelloy C4 | Tensile Strength | Yield Strength RP0.2% |
Elongation A5%
|
|---|---|---|---|
| Solution Treatment | 690 N/mm² | 275 N/mm² | 40% |
| Bar | Forging Parts | Welded Tube | Seamless Tube | Sheet/Strip | |
|---|---|---|---|---|---|
| ASTM ASME |
B574 SB574 |
B336 SB336 |
B619/626 SB619/626 | B622 SB622 |
B575 SB575 |
Hastelloy C4 wire, bar, rod, forging, plate, sheet, tube, fastener and other standard forms are available.
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Inconel 600
General Description
Inconel 600 is a nickel-chromium alloy with excellent resistance to organic acids and is used extensively in fatty acid processing. The high nickel content of Inconel 600 provides good resistance to corrosion under reducing conditions, and its chromium content, resistance under oxidizing conditions. The alloy is virtually immune to chloride stress-corrosion cracking. It is also employed widely in the production and handling of caustic soda and alkali chemicals. Alloy 600 is also an excellent material for high-temperature applications requiring a combination of heat and corrosion resistance. The excellent performance of the alloy in hot halogen environments makes it a popular choice for organic chlorination processes. Alloy 600 also resists oxidation, carburization, and nitridation.
In production of titanium dioxide by chloride routes natural titanium oxide (illmenite or rutile) and hot chlorine gases reacted to produce titanium tetrachloride. Alloy 600 has been successfully used in this process due to its excellent resistance to corrosion by hot chlorine gas. This alloy has found wide usage in the furnace and heat-treating field due to its excellent resistance to oxidation and scaling at 980°C. The alloy also has found considerable use in handling water environments, where stainless steels have failed by cracking. It has been used in a number of nuclear reactors including steam generator boiling and primary water piping systems.
Other typical applications are chemical processing vessels and piping, heat treating equipment, aircraft engine and airframe components, electronic parts, and nuclear reactors.
Chemical Composition
Specifications
Physical Properties
Mechanical Properties
Our Production Standard
Welding of Inconel 600
Any traditional welding procedures can be used to weld Inconel 600 to similar alloys or other metals. Before welding, preheating is needed and also any stain, dust or mark should be cleared by steel wire brush. About 25mm width to welding edge of base metal should be polished to bright.
Recommend filler wire regarding welding Inconel 600: ERNiCr-3
Size Range
Inconel 600 wire, bar, rod, forging, plate, sheet, tube, fastener and other standard forms are available.
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Inconel 600 is a nickel-chromium alloy with excellent resistance to organic acids and is used extensively in fatty acid processing. The high nickel content of Inconel 600 provides good resistance to corrosion under reducing conditions, and its chromium content, resistance under oxidizing conditions. The alloy is virtually immune to chloride stress-corrosion cracking. It is also employed widely in the production and handling of caustic soda and alkali chemicals. Alloy 600 is also an excellent material for high-temperature applications requiring a combination of heat and corrosion resistance. The excellent performance of the alloy in hot halogen environments makes it a popular choice for organic chlorination processes. Alloy 600 also resists oxidation, carburization, and nitridation.
In production of titanium dioxide by chloride routes natural titanium oxide (illmenite or rutile) and hot chlorine gases reacted to produce titanium tetrachloride. Alloy 600 has been successfully used in this process due to its excellent resistance to corrosion by hot chlorine gas. This alloy has found wide usage in the furnace and heat-treating field due to its excellent resistance to oxidation and scaling at 980°C. The alloy also has found considerable use in handling water environments, where stainless steels have failed by cracking. It has been used in a number of nuclear reactors including steam generator boiling and primary water piping systems.
Other typical applications are chemical processing vessels and piping, heat treating equipment, aircraft engine and airframe components, electronic parts, and nuclear reactors.
Chemical Composition
| Grade | Ni% | Mn% | Fe% | Si% | Cr% | C% | Cu% | S% |
|---|---|---|---|---|---|---|---|---|
| Inconel 600 | Min 72.0 | Max 1.0 | 6.0-10.0 | Max 0.50 | 14-17 | Max 0.15 | Max 0.50 | Max 0.015 |
| Grade | British Standard | Werkstoff Nr. | UNS |
|---|---|---|---|
| Inconel 600 | BS 3075 (NA14) | 2.4816 | N06600 |
| Grade | Density | Melting Point |
|---|---|---|
| Inconel 600 | 8.47 g/cm3 | 1370°C-1413 °C |
| Inconel 600 | Tensile Strength | Yield Strength | Elongation | Brinell Hardness (HB) |
|---|---|---|---|---|
| Annealing Treatment | 550 N/mm² | 240 N/mm² | 30% | ≤195 |
| Solution Treatment | 500 N/mm² | 180 N/mm² | 35% | ≤185 |
| Bar | Forging | Pipe | Sheet/Strip | Wire | |
|---|---|---|---|---|---|
| ASTM | ASTM B166 | ASTM B166 | ASTM B167/B163/B516/B517 | AMS B168 | ASTM B166 |
| AMS | AMS 5665 | AMS 5665 | AMS 5580 | AMS 5540 | AMS 5687 |
Any traditional welding procedures can be used to weld Inconel 600 to similar alloys or other metals. Before welding, preheating is needed and also any stain, dust or mark should be cleared by steel wire brush. About 25mm width to welding edge of base metal should be polished to bright.
Recommend filler wire regarding welding Inconel 600: ERNiCr-3
Size Range
Inconel 600 wire, bar, rod, forging, plate, sheet, tube, fastener and other standard forms are available.
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Incoloy 825
General Description
Incoloy 825 is a nickel-iron-chromium super alloy with addition of molybdenum and copper, resisting wide range of corrosive environments and intergranular sensitization.
Incoloy 825 has exceptional resistance to seawater and to reducing chemicals, such as sulfuric and phosphoric acids. Because it is stabilized against sensitization, Incoloy 825 resists intergranular corrosion. This alloy contains sufficient nickel to make it resistant to chloride stress-corrosion cracking. Its molybdenum content provides resistance to pitting. Its chromium content provides resistance to oxidizing media, such as nitric acid, nitrates, and oxidizing salts.
Typical applications include phosphoric acid evaporators, pickling equipment, chemical processing vessels and piping, equipment for recovery of spent nuclear fuel, propeller shafts, tank trucks and so on.
Chemical Composition
Specifications
Physical Properties
Mechanical Properties
Our Production Standard
Welding of Incoloy 825
Any traditional welding procedures can be used to weld Incoloy 825 to similar alloys or other metals, such as gas tungsten arc welding(GTAW), plasma arc welding (PAW), metal inertia gas welding (MIG) and so on. Before welding, remove scale, grease, mark and imprint.
Recommend filler wire regarding welding Incoloy 825: ERNiCrMo-3 or ERNiFeCr-1.
Size Range
Incoloy 825 wire, bar, rod, strip, forging, plate, sheet, tube, fastener and other standard forms are available.
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Incoloy 825 is a nickel-iron-chromium super alloy with addition of molybdenum and copper, resisting wide range of corrosive environments and intergranular sensitization.
Incoloy 825 has exceptional resistance to seawater and to reducing chemicals, such as sulfuric and phosphoric acids. Because it is stabilized against sensitization, Incoloy 825 resists intergranular corrosion. This alloy contains sufficient nickel to make it resistant to chloride stress-corrosion cracking. Its molybdenum content provides resistance to pitting. Its chromium content provides resistance to oxidizing media, such as nitric acid, nitrates, and oxidizing salts.
Typical applications include phosphoric acid evaporators, pickling equipment, chemical processing vessels and piping, equipment for recovery of spent nuclear fuel, propeller shafts, tank trucks and so on.
Chemical Composition
| Grade | Ni% | Cr% | Mo% | Fe% | Al% | Ti% | C% | Mn% | Si% | Cu% | P% | S% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Incoloy 825 | 38-46 | 19.5-23.5 | 2.5-3.5 | Bal. | Max 0.2 | 0.6-1.2 | Max 0.05 | Max 1.0 | Max 0.5 | 1.5-3.0 | Max 0.02 | Max 0.03 |
| Grade | UNS | Werkstoff Nr. |
|---|---|---|
| Incoloy 825 | N08825 | 2.4858 |
| Grade | Density | Melting Point |
|---|---|---|
| Incoloy 825 | 8.1g/cm3 | 1370°C-1400 °C |
| Heat Treatment | Tensile Strength | Yield Strength σp0.2/MPa | Elongation σ5 /% |
Brinell Hardness |
|---|---|---|---|---|
| Solution Treatment | 550 N/mm² | 250 N/mm² | 35% | ≥200 |
| Incoloy 825 | Bar | Forging Parts | Welded Tube | Seamless Tube | Sheet/Strip |
|---|---|---|---|---|---|
| ASTM | ASTM B425 | ASTM B564 | ASTM B704/705 | ASTM B423 | ASTM B424 |
Any traditional welding procedures can be used to weld Incoloy 825 to similar alloys or other metals, such as gas tungsten arc welding(GTAW), plasma arc welding (PAW), metal inertia gas welding (MIG) and so on. Before welding, remove scale, grease, mark and imprint.
Recommend filler wire regarding welding Incoloy 825: ERNiCrMo-3 or ERNiFeCr-1.
Size Range
Incoloy 825 wire, bar, rod, strip, forging, plate, sheet, tube, fastener and other standard forms are available.
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Inconel 725
General Description
Specifications
Physical Properties
Mechanical Properties (Room temperature)
Size Range
Inconel 725 Bar available
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Inconel 725 (UNS N07725) is a nickel based alloy which is highly resistant to many aqueous environments and is age hardenable for extremely high strength. It has essentially the same corrosion resistance as Inconel 625, which is widely used in a broad range of severaly corrosive environments.
Inconel 725 is especially resistant to media containing carbon dioxide, chlorides, and hydrogen sulfide, such as those encountered in deep sour gas wells. In such environments, it resists general corrosion, pitting, sulfide stress cracking (hydrogen embrittlement), and stress-corrosion cracking. Inconel 725 also displays resistance to corrosion in brines and seawater.
Inconel 725 fills the need for greater environmental cracking resistance at high temperatures in deep, extremely hostile, oil and gas production environments. It offers better cracking resistance at elevated temperatures in higher levels of H2S due to the higher content of molybdenum.
Age-hardenable alloy 725 is used for hangers, landing nipples, side pocket mandrels, and polished bore receptacles in sour gas service. Also used for high-strength fasteners in marine applications. Its combined high strength and hardness make alloy 725 a suitable choice for polymer extrusion dies.
Chemical Composition
| Grade | Ni% | Cr% | Fe% | Mo% | Nb% | Ti% | Al% | Mn% | Si% | P% | C% | S% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inconel 725 | 55.0-59.0 | 19.0-22.5 | Bal. | 7.0-9.5 | 2.75-4.0 | 1.0-1.7 | Max 0.35 | Max 0.35 | Max 0.20 | Max 0.015 | Max 0.03 | Max 0.010 |
| Grade | UNS |
|---|---|
| Inconel 725 | N07725 |
| Grade | Density | Melting Point |
|---|---|---|
| Inconel 725 | 8.31 g/cm3 | 1271°C-1343 °C |
| Form | Condition | Tensile Strength | Yield Strength (0.2%) | Elongation | Hardness (HRC) |
|---|---|---|---|---|---|
| Round | Age Hardened | 1137 MPa | 827 MPa | 20% | 35 |
Inconel 725 Bar available
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Monel K500
General Description
Monel K500, the age-hardenable alloy, which contains aluminum and titanium, combines the excellent corrosion resistance features of Monel 400 with the added benefits of increased strength, hardens, and maintaining its strength up to 600°C.
The corrosion resistance of Monel K500 is essentially the same as that of Monel 400 except that, in the age-hardened condition, Monel K500 is more susceptible to stress-corrosion cracking in some environments.
Some of the typical applications of alloy K500 are for pumpshafts, impellers, medical blades and scrapers, oil well drill collars, and other completion tools, electronic components, springs and valve trains. This alloy is primarily used in marine and oil and gas industrial applications. In contrast Monel 400 is more versatile, finding many uses in roofs, gutters, and architectural parts on a number of institutional buildings, tubes of boiler feedwater heaters, seawater applications (sheathing, others), HF alkylation process, production and handling of HF acid, and in refining of uranium, distillation, condensation units, and overhead condenser pipes in refineries and petrochemical industries, and many others.
Chemical Composition
Specifications
Physical Properties (20°C)
Mechanical Properties (20°C Min)
Size Range
Monel K500 wire, bar, rod, strip, forging, plate, sheet, tube, fastener and other standard forms are available.
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Monel K500, the age-hardenable alloy, which contains aluminum and titanium, combines the excellent corrosion resistance features of Monel 400 with the added benefits of increased strength, hardens, and maintaining its strength up to 600°C.
The corrosion resistance of Monel K500 is essentially the same as that of Monel 400 except that, in the age-hardened condition, Monel K500 is more susceptible to stress-corrosion cracking in some environments.
Some of the typical applications of alloy K500 are for pumpshafts, impellers, medical blades and scrapers, oil well drill collars, and other completion tools, electronic components, springs and valve trains. This alloy is primarily used in marine and oil and gas industrial applications. In contrast Monel 400 is more versatile, finding many uses in roofs, gutters, and architectural parts on a number of institutional buildings, tubes of boiler feedwater heaters, seawater applications (sheathing, others), HF alkylation process, production and handling of HF acid, and in refining of uranium, distillation, condensation units, and overhead condenser pipes in refineries and petrochemical industries, and many others.
Chemical Composition
| Grade | Ni% | Cu% | Al% | Ti% | Fe% | Mn% | S% | C% | Si% |
|---|---|---|---|---|---|---|---|---|---|
| Monel K500 | Min 63 | 27.0-33.0 | 2.30-3.15 | 0.35-0.85 | Max 2.0 | Max 1.5 | Max 0.01 | Max 0.25 | Max 0.5 |
| Form | Standard |
|---|---|
| Monel K-500 | UNS N05500 |
| Bar | ASTM B865 |
| Wire | AMS4676 |
| Sheet/Plate | ASTM B865 |
| Forging | ASTM B564 |
| Weld Wire | ERNiCu-7 |
| Grade | Density | Melting Point | Electrical Resistivity | Mean Coefficient of Thermal Expansion | Thermal Conductivity | Specific Heat |
|---|---|---|---|---|---|---|
| Monel K500 | 8.55g/cm3 | 1315°C-1350°C | 0.615 μΩ•m | 13.7(100°C) a/10-6°C-1 | 19.4(100°C) λ/(W/m•°C) | 418 J/kg•°C |
| Monel K500 | Tensile Strength | Yield Strength RP0.2% |
Elongation A5%
|
|---|---|---|---|
| Annealed&Aged | Min. 896 MPa | Min. 586MPa | 30-20 |
Monel K500 wire, bar, rod, strip, forging, plate, sheet, tube, fastener and other standard forms are available.
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Monel 400
General Description
Monel 400(UNS N04400/2.4360) is a nickel-copper alloy with high strength and excellent resistance to a range of media including seawater, dilute hydrofluoric and sulfuric acids, and alkalies.
Alloy 400 containing about 30–33% copper in a nickel matrix has many similar characteristics of commercially pure nickel, while improving upon many others. Addition of some iron significantly improves the resistance to cavitation and erosion in condenser tube applications. The main uses of alloy 400 are under conditions of high flow velocity and erosion as in propeller shafts, propellers, pump-impeller blades, casings, condenser tubes, and heat exchanger tubes. Corrosion rate in moving seawater is generally less than 0.025 mm/year. The alloy can pit in stagnant seawater, however, the rate of attack is considerably less than in commercially pure alloy 200. Due to its high nickel content (approx. 65%) the alloy is generally immune to chloride stress corrosion cracking. The general corrosion resistance of alloy 400 in nonoxidizing mineral acids is better compared to nickel. However, it suffers from the same weakness of exhibiting very poor corrosion resistance to oxidizing media such as nitric acid, ferric chloride, cupric chloride, wet chlorine, chromic acid, sulfur dioxide, or ammonia. In unaerated dilute hydrochloric and sulfuric acid solution the alloy has useful resistance up to concentrations of 15% at room temperature and up to 2% at somewhat higher temperature, not exceeding 50°C. Due to this specific characteristic, alloy 400 is also used in processes where chlorinated solvents may form hydrochloric acid due to hydrolysis, which would cause failure in standard stainless steel.
Alloy 400 possesses good corrosion resistance at ambient temperatures to all HF concentration in the absence of air. Aerated solutions and higher temperature increase the corrosion rate. The alloy is susceptible to stress corrosion cracking in moist aerated hydrofluoric or hydrofluorosilic acid vapor. This can be minimized by deaeration of the environments or by stress relieving anneal of the component in question.
Typical applications are valve and pump parts, propeller shafts, marine fixtures and fasteners, electronic components, chemical processing equipment, gasoline and freshwater tanks, petroleum processing equipment, boiler feedwater heaters and other heat exchangers
Chemical Composition
Specifications
Physical Properties
Mechanical Properties
Our Production Standard
Size Range
Monel 400 wire, bar, rod, strip, forging, plate, sheet, tube, fastener and other standard forms are available.
See corrosion behavior of Monel 400 in specific environments
Monel 400(UNS N04400/2.4360) is a nickel-copper alloy with high strength and excellent resistance to a range of media including seawater, dilute hydrofluoric and sulfuric acids, and alkalies.
Alloy 400 containing about 30–33% copper in a nickel matrix has many similar characteristics of commercially pure nickel, while improving upon many others. Addition of some iron significantly improves the resistance to cavitation and erosion in condenser tube applications. The main uses of alloy 400 are under conditions of high flow velocity and erosion as in propeller shafts, propellers, pump-impeller blades, casings, condenser tubes, and heat exchanger tubes. Corrosion rate in moving seawater is generally less than 0.025 mm/year. The alloy can pit in stagnant seawater, however, the rate of attack is considerably less than in commercially pure alloy 200. Due to its high nickel content (approx. 65%) the alloy is generally immune to chloride stress corrosion cracking. The general corrosion resistance of alloy 400 in nonoxidizing mineral acids is better compared to nickel. However, it suffers from the same weakness of exhibiting very poor corrosion resistance to oxidizing media such as nitric acid, ferric chloride, cupric chloride, wet chlorine, chromic acid, sulfur dioxide, or ammonia. In unaerated dilute hydrochloric and sulfuric acid solution the alloy has useful resistance up to concentrations of 15% at room temperature and up to 2% at somewhat higher temperature, not exceeding 50°C. Due to this specific characteristic, alloy 400 is also used in processes where chlorinated solvents may form hydrochloric acid due to hydrolysis, which would cause failure in standard stainless steel.
Alloy 400 possesses good corrosion resistance at ambient temperatures to all HF concentration in the absence of air. Aerated solutions and higher temperature increase the corrosion rate. The alloy is susceptible to stress corrosion cracking in moist aerated hydrofluoric or hydrofluorosilic acid vapor. This can be minimized by deaeration of the environments or by stress relieving anneal of the component in question.
Typical applications are valve and pump parts, propeller shafts, marine fixtures and fasteners, electronic components, chemical processing equipment, gasoline and freshwater tanks, petroleum processing equipment, boiler feedwater heaters and other heat exchangers
Chemical Composition
| Grade | Ni% | Cu% | Fe% | C% | Mn% | C% | Mn% | Si% | S% |
|---|---|---|---|---|---|---|---|---|---|
| Monel 400 | Min 63 | 28-34 | Max 2.5 | Max 0.3 | Max 2.0 | Max 0.05 | Max 1.0 | Max 0.5 | Max 0.024 |
| Grade | UNS | Werkstoff Nr. |
|---|---|---|
| Monel 400 | N04400 | 2.4360 |
| Grade | Density | Melting Point |
|---|---|---|
| Monel 400 | 8.83 g/cm3 | 1300°C-1390°C |
| Alloy | Tensile Strength | Yield Strength | Elongation |
|---|---|---|---|
| Monel 400 | 480 N/mm² | 170 N/mm² | 35% |
| Standard | Bar | Forging | Pipe/Tube | Sheet/Strip | Wire |
|---|---|---|---|---|---|
| ASTM | ASTM B164 | ASTM B564 | ASTM B165/730 | ASTM B127 | ASTM B164 |
| AMS | AMS 4675 | AMS 4675 | AMS 4574 | AMS 4544 | AMS 4730/4731 |
Monel 400 wire, bar, rod, strip, forging, plate, sheet, tube, fastener and other standard forms are available.
See corrosion behavior of Monel 400 in specific environments
Inconel 690
General Description
Inconel 690 has the highest chromium content (29% Cr) among nickel alloys suitable for fabrication of pressure equipment, which confers exceptional resistance to oxidizing media. It is used for hot sulfuric acid, nitric acid, and nitric/ hydrofluoric acid mixtures, as well as for oxidizing salts. The high chromium content also improves resistance in hot sulfidizing environments.
Inconel 690 has good resistance to oxidizing chemicals, such as nitric acid, and to sulfur-containing gases at high temperature. Inconel 690 has a superior stress cracking resistance than Inconel 600 in steam generation nuclear reactors for piping, separators and weldments.
Applications involving nitric acid or nitric-plus-hydrochloric acid. Examples are tail-gas reheaters used in production of nitric acid and steam-heating coils in nitric- plus-hydrochloric acid solutions used for pickling stainless steels and reprocessing nuclear fuels. Inconel 690 is also useful for hightemperature service in gases containing sulfur.
Chemical Composition
Specifications
Physical Properties
Mechanical Properties
Size Range
Inconel 690 wire, bar are available.
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Inconel 690 has the highest chromium content (29% Cr) among nickel alloys suitable for fabrication of pressure equipment, which confers exceptional resistance to oxidizing media. It is used for hot sulfuric acid, nitric acid, and nitric/ hydrofluoric acid mixtures, as well as for oxidizing salts. The high chromium content also improves resistance in hot sulfidizing environments.
Inconel 690 has good resistance to oxidizing chemicals, such as nitric acid, and to sulfur-containing gases at high temperature. Inconel 690 has a superior stress cracking resistance than Inconel 600 in steam generation nuclear reactors for piping, separators and weldments.
Applications involving nitric acid or nitric-plus-hydrochloric acid. Examples are tail-gas reheaters used in production of nitric acid and steam-heating coils in nitric- plus-hydrochloric acid solutions used for pickling stainless steels and reprocessing nuclear fuels. Inconel 690 is also useful for hightemperature service in gases containing sulfur.
Chemical Composition
| Grade | Ni% | Cr% | Fe% | Ti% | Mn% | Si% | C% | Cu% | P% | S% | Cu% | RE% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inconel 690 | Min 58 | 27-31 | 7-11 | Max 0.5 | Max 0.5 | Max 0.5 | Max 0.05 | Max 0.5 | Max 0.030 | Max 0.015 | Max 0.5 | Max 0.1 |
| Grade | UNS | Werkstoff Nr. |
|---|---|---|
| Inconel 690 | N06690 | 2.4642 |
| Grade | Density | Melting Point |
|---|---|---|
| Inconel 690 | 8.2 g/cm3 | 1340°C-1377 °C |
| Alloy | Tensile Strength | Yield Strength | Elongation | Brinell Hardness (HB) |
|---|---|---|---|---|
| Inconel 690 Annealed | >580 MPa | >260 MPa | 30% | 150-240 |
Inconel 690 wire, bar are available.
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Inconel 625
General Description
Inconel 625, a nickel-chromium-molybdenum alloy contains 9% Mo, serves effectively as both a corrosion resistant and heat resistant material. The combination of high-temperature strength and resistance to halogen attack, oxidation, and carburization has made alloy 625 a popular choice for chemical and petrochemical process equipment exposed to hostile, hightemperature environments.
The high alloy content of Inconel 625 enables it to withstand a wide variety of corrosive environments. The alloy is almost completely resistant to mild environments such as the atmosphere, fresh water and seawater, neutral salts, and alkaline media. In more severe environments, the combination of nickel and chromium provides resistance to oxidizing chemicals, and the combination of nickel and molybdenum provides resistance to reducing conditions. The molybdenum content also makes Inconel 625 highly resistant to pitting and crevice corrosion. The columbium stabilizes the alloy against sensitization and prevents intergranular corrosion. The high nickel content provides freedom from chloride stress-corrosion cracking.
Typical applications are chemical processing equipment, aircraft engine and airframe components, ship and submarine parts, nuclear reactors.
Chemical Composition
Specifications
Physical Properties
Mechanical Properties
Inconel 625 Grade 2 is recommended for components that require optimum resistance to creep or rupture. Fine-grained (annealed) material may be advantageous at temperatures up to 1500°F with respect to fatigue strength, hardness, and tensile and yield strength.
Our Production Standard
Welding of Inconel 625
Any traditional welding procedures can be used to weld Inconel 625 to similar alloys or other metals, such as gas tungsten arc welding(GTAW), plasma arc welding (PAW), metal inertia gas welding (MIG) and so on. Before welding, remove scale, grease, mark and imprint. And no heat treatment needed before and after welding. Recommend filler wire regarding welding Inconel 625: ERNiCrMo-3
Email our sales for quotation!
Inconel 625, a nickel-chromium-molybdenum alloy contains 9% Mo, serves effectively as both a corrosion resistant and heat resistant material. The combination of high-temperature strength and resistance to halogen attack, oxidation, and carburization has made alloy 625 a popular choice for chemical and petrochemical process equipment exposed to hostile, hightemperature environments.
The high alloy content of Inconel 625 enables it to withstand a wide variety of corrosive environments. The alloy is almost completely resistant to mild environments such as the atmosphere, fresh water and seawater, neutral salts, and alkaline media. In more severe environments, the combination of nickel and chromium provides resistance to oxidizing chemicals, and the combination of nickel and molybdenum provides resistance to reducing conditions. The molybdenum content also makes Inconel 625 highly resistant to pitting and crevice corrosion. The columbium stabilizes the alloy against sensitization and prevents intergranular corrosion. The high nickel content provides freedom from chloride stress-corrosion cracking.
Typical applications are chemical processing equipment, aircraft engine and airframe components, ship and submarine parts, nuclear reactors.
Chemical Composition
| Grade | Ni% | Cr% | Mo% | Nb+Ta% | Fe% | Al% | Ti% | C% | Mn% | Si% | Cu% | P% | S% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inconel 625 | Min 58 | 20-23 | 8-10 | 3.15-4.15 | Max 5 | Max 0.4 | Max 0.4 | Max 0.1 | Max 0.5 | Max 0.5 | Max 0.5 | Max 0.015 | Max 0.015 |
| Grade | UNS | Werkstoff Nr. |
|---|---|---|
| Inconel 625 | N06625 | 2.4856 |
| Grade | Density | Melting Point |
|---|---|---|
| Inconel 625 | 8.4 g/cm3 | 1290°C-1350 °C |
| Condition | Tensile Strength | Yield Strength σp0.2/MPa | Elongation | Brinell Hardness |
|---|---|---|---|---|
| Annealing Treatment (Grade 1) | 850 Mpa | 450 Mpa | 30% | ≤220 |
| Solution Treatment (Grade 2) | 700 Mpa | 300 Mpa | 30% | ≤200 |
Our Production Standard
| Standard | Bar | Forging | Pipe | Sheet/Strip | Wire |
|---|---|---|---|---|---|
| ASTM | ASTM B446 | ASTM B564 | ASTM B444/B704/B705 | ASTM B443 | AMS 5837 |
| AMS | AMS 5666 | AMS 5666 | AMS 5581 | AMS 5869 | AMS 5837 |
Any traditional welding procedures can be used to weld Inconel 625 to similar alloys or other metals, such as gas tungsten arc welding(GTAW), plasma arc welding (PAW), metal inertia gas welding (MIG) and so on. Before welding, remove scale, grease, mark and imprint. And no heat treatment needed before and after welding. Recommend filler wire regarding welding Inconel 625: ERNiCrMo-3
Size Range
Inconel 625 wire, bar, rod, forging, plate, sheet, tube, fastener and other standard forms are available.Email our sales for quotation!
Incoloy 925
General Description
Specifications
Physical Properties
Mechanical Properties
Size Range
Incoloy 925 round bar is available.
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Incoloy 925 (UNS N09925) is an agehardenable nickel based alloy with additions of molybdenum, copper, titanium and aluminum. Alloy 925 offers corrosion resistance comparable with that of alloy 825, but with higher strength obtained by age hardening. The combination of nickel and chromium renders protection in both oxidizing and reducing atmospheres. The high nickel content also gives resistance to chloride ion stress-corrosion cracking. Pitting and crevice corrosion resistance is also excellent.
Chemical Composition| Grade | Ni% | Cr% | Fe% | Mo% | Cu% | Ti% | Al% | Mn% | Si% | Nb% | C% | S% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Incoloy 925 | 42.0-46.0 | 19.5-22.5 | Min 22 | 2.5-3.5 | 1.5-3.0 | 1.9-2.4 | 0.1-0.5 | Max 1.0 | Max 0.5 | Max 0.5 | Max 0.03 | Max 0.03 |
| Grade | UNS |
|---|---|
| Incoloy 925 | N09925 |
| Grade | Density | Melting Point | Electrical Resistivity |
|---|---|---|---|
| Incoloy 925 | 8.08 g/cm3 | 1311°C-1366 °C | 1.17 μΩ m |
| Incoloy 925 | Tensile Strength | Yield Strength (0.2%) | Elongation | Hardness (HRC) |
|---|---|---|---|---|
| Solution Treated | 685 MPa | 271 MPa | 56% | 76 |
| Solution&Aging | 1154 MPa | 832 MPa | 27% | 32 |
Incoloy 925 round bar is available.
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