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ASTM A709 is a high-strength, low-alloy structural steel plate utilized primarily in the manufacture of bridges. It offers excellent weathering resistance and is available in Grades 36, 50, and 50W. These grades are often specified with Charpy tests referencing the specific zone or lowest anticipated service temperature.
| Material Grade | ASTM A709 / EN10025 / JIS G3106 / GB/T 4171 | Standard | ASTM A709 / EN10025 / JIS G3106 / GB/T 4171 |
| Thickness Range | 4mm - 150mm | Width Range | 50mm - 4000mm |
| Length Range | 1000mm - 12000mm | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Tianjin / Shanghai |
| C | 0.20-0.26% | Si | 0.15-0.40% |
| Mn | 0.75-1.35% | P | ≤0.04% |
| S | ≤0.05% | Cu | 0.20-0.40% |
| Cr | 0.40-0.70% | Tensile Strength | ≥490 MPa |
| Yield Strength | ≥250 MPa | Elongation | ≥16% |
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