ASTM A514 Gr B

ASTM A514 Gr B | A514 Grade B Steel Plate

ASTM A514 Grade B

High-Yield-Strength, Quenched and Tempered Alloy Steel Plate

General Product Description

ASTM A514 Grade B is a quenched and tempered alloy steel plate for structural applications

requiring high yield strength combined with good formability and toughness. A514 Grade B has

a minimum yield strength of 690 MPa [100 ksi] and may be ordered with supplemental Charpy

V-notch impact test requirements.

Applications: Typical applications for A514 Grade B include transport trailers, construction

equipment, crane booms, mobile man-lifts, agricultural equipment, heavy vehicle frames and

chassis, and welded bridge structural members.

Dimensions Available:

Thickness: 4.8 mm – 31.8 mm (0.1875” – 1.25”)

Width: 1,829mm – 2,591 mm (72” - 102”)

Length: 6.10m – 15.2 m (240” - 600”)

Standard plate thicknesses available (96” wide x 240” pattern size)

include 4.8, 6.4, 9.5, 12.7, 19.0, 25.4 and 31.8 mm (3/16”, ¼”, 3/8”, ½”, ¾”, 1” and 1-1/4”).

Please inquire for other sizes.

Mechanical Properties

Tensile Test is performed in the transverse direction according to ASTM A6 requirements. The

minimum values are tabulated below:

0.2% YS MPa [ksi], min.	UTS MPa [ksi]	Elongation in 50 mm [2”], min. %	Reduction of Area, min. %	Brinell Hardness*
690 [100]	760 to 895 [110 to 130]	16	35	235 to 293

*For plates up to 0.375”, a Brinell hardness test may be used instead of a tensile test for those plates not tensile

tested in a 15-ton lot.

Charpy V-Notch Impact Toughness requirements may be ordered as a supplementary

requirement. A minimum Charpy V-notch impact energy value of 20 ft-lbs [22012-10-047 J] at -50°F [-45°C]

in longitudinal specimens is a typical supplemental impact toughness requirement. Please

inquire for applications requiring a specified minimum impact toughness.

Chemical Composition

Meets chemical requirements of ASTM A514 Grade B, as shown below (wt % ladle analysis):

	C	Mn	P	S	Si	Cr	Mo	V	Ti	B	CEV Typ.	CET Typ.
Min.	0.12	0.70	−	−	0.20	0.40	0.15	0.03	0.01	0.0005	0.51	0.42
Max.	0.21	1.00	0.035	0.008*	0.35	0.65	0.25	0.08	0.08	0.005

* Note that our S level is more restrictive than ASTM specification requirements for A514 Grade B

A514 Gr B Heat-Treated (Quenched and Tempered) Structural Steel

Tolerances

Thickness, width, and length tolerances for A514 Grade B steel plate are in accordance with the

requirements of ASTM A6. The flatness tolerance for as supplied product is ½ ASTM A6.

Delivery Condition

ASTM A514 Grade B is supplied in the quenched and tempered condition.

Fabrication and Other Recommendations

Weldability: Welding of A514 Grade B shall be performed in accordance with the applicable

welding code. In the absence of a specified welding code, the following suggested minimum

preheat and interpass temperatures and welding consumables are provided. Special welding

consumables and welding procedures may be required to match the base metal toughness.

Low hydrogen practices are strongly recommended, including the removal of surface moisture.

A514 Grade B may be susceptible to reheat cracking in the heat-affected zone of welds during

stress relieving or postweld heat treatment. As a result, Beverly Steel recommends that a

qualified welding engineer consider this potential before stress relieving weldments of this product.

Welding Process	Thickness, mm [in]	Minimum Preheat and Interpass Temperature	Consumables
Shielded Metal Arc (SMAW)	Up to 19 [3/4”]	10°C [50°F]	AWS E10015-X, E10016-X, E10018-X, E10018-M
	>19 [3/4”]  – 31.8 [1.25”]	65°C [150°F]
Gas Metal Arc (GMAW)	Up to 19 [3/4”]	10°C [50°F]	AWS ER110S-XXX-XX
	>19 [3/4”]  – 31.8 [1.25”]	65°C [150°F]
Submerged Arc (SAW)	Up to 19 [3/4”]	10°C [50°F]	AWS F11XX-EXXX-XX, F11XX-ECXXX-XX
	>19 [3/4”]  – 31.8 [1.25”]	65°C [150°F]
Flux Cored Arc (FCAW)	Up to 19 [3/4”]	10°C [65°F]	AWS E11XTX-X, E11XTX-XM
	>19 [3/4”]  – 31.8 [1.25”]	65°C [150°F]

Formability: A514 Grade B material exhibits good cold forming characteristics. Shear burrs

and heat-affected zones of thermal cut edges on or near the bend axis as well as sharp corners

on edges and on gas cut or punched holes located on or adjacent to the bend axis should be

removed by grinding prior cold forming. The following recommended minimum inside bend

radius, R, and die width opening, W, as a function of bending orientation are provided:

	Bend axis perpendicular to rolling direction		Bend axis parallel to rolling direction
Thickness mm [in]	Min. Inside Radius, R	Die width W	Min. Inside Radius, R	Die width W
4.8 – 19 [0.1875” – 0.75”]	1.75t	7t	2.625t	9t
>19 – 25.4 [>0.75” – 1.00”]	2.25t	8t	3.375t	10t
>25.4 – 31.8 [>1.00” – 1.25”]	4.5t	12t	6.75t	16t