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SA572 Gr.65(450) American standard high-strength low-alloy niobium-vanadium structural steel is widely used for bridge riveting and bolting structural parts or welding structural parts for other purposes.
Chemical composition of SA572 Gr.65(450) steel plate:
| C | Si | Mn | P | S | Nb |
| ≤0.23 | ≤0.4 | ≤1.65 | ≤0.04 | ≤0.05 | 0.005~0.05 |
SA572 Gr.65(450) steel plate mechanical properties:
| Grade | Mechanical properties | ||
| SA572 Gr.65(450) | Re(MPa) | ≥450 | |
| Rm(MPa) | ≥550 | ||
| A200(%) | ≥15 | A50≥17% | |
SA572 Gr.65(450) steel plate executive standard: ASME standard SA-572/SA-572M is completely equivalent to ASTM standard A572/A572M.
