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Under ASTM A514 specification: A514 Gr A, A514 Gr B, A514 Gr C, A514 Gr E steel plate, A514 Gr F, A514 Gr P and A514 Gr Q are commonly used in building engineering cars, lifting gears, large excavators and marine equipment, where high tensile strength and high yield strength are required.
A514 Gr E steel plate mechanical properties:
| ASTM A514 | Heat treatment | Thickness | Mechanical properties | |
| A514 Gr E steel plate | Quenching and Tempering | ≤20mm | Rp0.2(MPa) | ≥690 |
| Rm(MPa) | 760～895 | |||
| A50(%) | ≥18 | |||
| Z(%) | ≥40 | |||
| HBW | 235～293 | |||
| A514 Gr E steel plate | >20-32mm | Rp0.2(MPa) | ≥690 | |
| Rm(MPa) | 760～895 | |||
| A50(%) | ≥18 | |||
| Z(%) | ≥40 | |||
A514 Gr E steel plate chemical composition
| C | Si | Mn | P | S | Cr | Mo | Zr | B |
| 0.15-0.21 | 0.4-0.8 | 0.8-1.1 | ≤0.03 | ≤0.03 | 0.5-0.8 | 0.18-0.28 | 0.05-0.15 | ≤0.0025 |
A514 Gr E steel plate implementation specification:
A514 Gr E steel implementation specification ASTM A514 / A514M.
