ASME SA514 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 ASME SA514 / SA514M. It is also called SA514 Gr.B high strength weldable steel plate, which is one of the eight common specifications of ASME SA514 steel standard. The maximum thickness of ASME SA514 Grade B high strength weldable steel plate is 50mm.
ASME SA514 Grade B high strength weldable steel plate chemical composition:
| Grade | C | Mn | P | S | SI | Ni | Cr | Mo | V | Ti | Zr | Cu | B |
| SA514 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 |
ASME SA514 Gr.B high strength weldable steel plate mechnical properties:
| Grade | Thickness Inch | Yield Strength Mpa | Tensile Strength Mpa | Elongation in 50mm | Hardnees Brinell |
|
SA514 Gr.B |
less 3/4 inch | 690 | 760-895 | 18 | 235 |
| over 3/4 to 2 1/2 | 690 | 760-895 | 18 | ~ | |
| over 2 1/2 to 6 inch | 620 | 690-895 | 16 | ~ |
ASME SA514 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. SA514 Gr.B high strength weldable steel plates are mainly used in places requiring high tensile strength and high yield.
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