ASTM A514GR.Q
ASTM A514GR.Q
One of the high yield strength quenched and tempered alloy steel plates suitable for welding under a514m standard. A.a.514gr.b is.ASTM
One of the eight common specification classes under the a514 steel plate standard, with a maximum thickness of 50 mm,a514gr.b has high strength, good fatigue resistance, high toughness and low brittle transition temperature; Good cold forming performance and welding performance, with better corrosion performance and certain wear resistance. Mainly used in the need of high tensile, high yield places.
Chemical composition & Mechanical property
Mechnical property for A514GrQ alloy steel:
| Thickness (mm) | Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% |
| 50mm | |||
| T≤65 | 690 | 760-895 | 18 |
| 65 | 620 | 690-895 | 16 |
Chemical composition for A514GrQ alloy steel (Heat Analysis Max%)
| Main chemical elements composition of A514GrQ | ||||||||
| C | Si | Mn | P | S | Cr | Mo | Ni | Ti |
| 0.14-0.21 | 0.15-0.35 | 0.95-1.30 | 0.035 | 0.035 | 1.00-1.50 | 0.40-0.60 | 1.20-1.50 | 0.03-0.08 |
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