ASTM A516 Gr65(Grade 65)

ASTM A516 Gr65(Grade 65); A516 Gr65N(Grade 65N)

Pressure Vessel Steel Plate; Boiler Steel Plate

Nearest Equivalent Steel Grade : 17Mn4 ; EN10028 P295GH; BS 1501 224 460 A; BS1501-224-460B

Chemical Composition Specification (percent %)

Maximum C for Thickness t (mm)				Mn for Thickness t (mm)		Si	P max	S max
6 ≤ t ≤ 12,5	12,5 < t ≤ 25	25 < t ≤ 50	50 < t ≤ 63	t ≤ 12,5	t > 12,5
0.24	0.26	0.26	0.28	0.85-1.20	0.85-1.20	0.15-0.04	0.035	0.035

Typical Chemical Coposition of ASTM A516

Grade	C	Mn	Si	Al	P	S
65	0.18	1.05	0.32	0.04	0.015	0.008

Mechanical Properties Requirement as specified in ASTM A516

Grade	Tensile Strength (MPa)	Minimum Yield Strength (MPa)	Minimum elongation (%) in a gauge length of :
			50mm	200mm
65	450-585	240	23	19

HIC Tested (Hydrogen Induced Cracking) NACE TM-0284 2003 / NACE MR-0175 / ISO 15156-2, SSCC Tested

(Sulphide Stress Corrosion Cracking) NACE TM-0177 2005 / NACE MR-0103 2007, SOHIC (Stress Oriented Hydrogen Induced Cracking)

Tested Fine Grained Pressure Vessel Steel Plates for sour gas service application.

Hot Rolled Steel ASTM/ASME A/SA 516 Grade 60/70 HIC Tested Plates in accordance with NACE Test Method TM 0284

Latest Edition using a test solution A pH of 3 conforming to NACE TM 0177 Latest Edition

CLR : Crack Length Ratio <5% / <10% / <15%

CTR : Crack Thickness Ratio <1.5% / <3% / <1%

CSR : Crack Sensitivity Ratio <0.5% / <1% / <2%

Test Solution B with pH of 5

CLR : Crack Length Ratio <0.5%

CTR : Crack Thickness Ratio <0.1%

CSR : Crack Sensitivity Ratio <0.05%

ASME SA516/SA516M-07 MT LTV ZT Grade 60/65/70

ASTM A516/A516M-07 MT LTV ZT Grade 60/65/70

ASME Section II Part A Edition 2007 Addenda 2008

ASME SA20/SA20M-08

ASTM A20/A20M-08

ASME SA770/SA770M-04

ASTM E290-97a

NACE MR-0175 / ISO 15156

Condition : Fully Killed, Normalized, Stress-Relieved (PWHT) Post Weld Heat Treatment

Steel Making Process : Open Hearth Furnace / Basic Oxygen Furnace (BOF), Ladle Refining Furnace (LRF), Vacuum Degassed (VD)

Vacuum Treated, Fully Deoxidised, Desulpherised, Dephosphorised

Charpy V-notch Impact Tested

Size tolerance as per EN 10029:1991

Positive thickness tolerance as per EN 10029:1991 Table 1, Class A

Flatness Tolerance as per Table 4, Class N, Category L of EN 10029-1991

Surface Quality as per EN 10163:1991 Part 2, Class A, Subclass-3

Edges : Trimmed / Mill Edge

Ultrasonic as per ASTM A578/578M Level A / Level B

Grain size No.6-8 or finer acc. to ASTM E112-96

Mill certificate acc. to EN 10204 3.1 / EN 10204 3.2 with IBR Form IV duly certified by third-party inspector.