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ASTM A514 Grade B/ A514 Gr.B high strength weldable steel plate steel plate

ASTM A514 Grade B high strength weldable steel plate is one of the high yield strength quenched and tempered alloy plates suitable for welding under the American Standard ASTM A514 / A514M. It is also called A514 Gr.B high strength weldable steel plate, which is one of the eight common specifications of ASTM A514 steel standard. The maximum thickness of ASTM A514 Grade B high strength weldable steel plate is 50mm.

ASTM A514 Grade B high strength weldable steel plate chemical composition:

Grade  C Mn P S Si Ni Cr Mo V Ti Zr Cu
A514 Gr.B 0.12-0.21 0.7-1.0 ≤0.035 ≤0.04 0.2-0.35 ~ 0.4-0.65 0.15-0.25 0.03-0.08 0.01-0.03 ~ ~ 0.0005-0.005

ASTM A514 Gr.B high strength weldable steel plate mechnical properties:

Grade  Thickness
Inch
Yield Strength Tensile Strength Elongation in 50mm Hardnees
Brinell
A514 Gr.B less 3/4 inch 690 Mpa 760-895 Mpa 18 %

235

over 3/4 to 2 1/2  690 Mpa 760-895 Mpa 18 % ~
over 2 1/2 to 6 inch 620 Mpa 690-895 Mpa 16 % ~

ASTM A514 Grade B high strength weldable steel plate has high strength, good fatigue resistance, high toughness and low brittle transition temperature, good cold forming property and welding performance; good corrosion resistance and wear resistance. A514 Gr.B high strength weldable steel plates are mainly used in places requiring high tensile strength and high yield.


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