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ASTM A572 is a specification for high-strength low-alloy steel plates for structural building. It includes five grades: 42, 50, 55, 60, and 65. Grade 50 is the most common, offering higher strength-to-weight ratio than ordinary carbon steel, making it ideal for applications requiring reduced weight without sacrificing strength.
| Material Grade | ASTM A572 | Standard | ASTM A572 |
| Thickness Range | 2.5-150 mm | Width Range | 1000-3500 mm |
| Length Range | 6000-18000 mm | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | ≤0.23 | Si | ≤0.40 |
| Mn | ≤1.35 | P | ≤0.040 |
| S | ≤0.050 | Yield Strength (Grade 50) | ≥345 MPa |
| Tensile Strength (Grade 50) | 450-550 MPa |
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