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ASTM A572 Grade50 S‑shape I‑beam
ASTM A572 high strength low alloy steel I beams offer superior strength-to-weight ratio, replacing common carbon steel beams like A36. Available in grades 42, 50, and 55. Surface treatment options include black, galvanized, or primed. Dimensions follow IPE and IPN European standards.
ASTM: A572 Gr.42/50/55GB: Q355B/Q390/Q420JIS: SM490
MaterialASTM A572
Thickness3.8 - 20.6 mm (Web Thickness)
Width42 - 200 mm
LengthCustomized / Standard Sizes
MOQ1 Ton
Lead Time7-15 days
PortShanghai / Tianjin
Response within 24 hours
In Stock — Ready to Ship
| Material Grade | ASTM A572 | Standard | ASTM A572 |
| Thickness Range | 3.8 - 20.6 mm (Web Thickness) | Width Range | 42 - 200 mm |
| Length Range | Customized / Standard Sizes | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | 0.21-0.25 | Si | ≤0.40 |
| Mn | ≤1.35 | P | ≤0.040 |
| S | ≤0.050 | Yield Strength (Gr.50) | ≥345 MPa |
| Tensile Strength (Gr.50) | ≥450 MPa |
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