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Q355A Steel Plate
Q355A is a high-strength low-alloy steel plate conforming to GB/T 1591 standard. It offers excellent weldability and formability, with a minimum yield strength of 345 MPa for thicknesses up to 16mm. It is widely used in structural applications, mining, and heavy machinery.
ASTM: A572 Gr.50EN: S355J0JIS: SM490B
MaterialGB/T 1591
Thickness1mm - 500mm
Width1500mm - 3500mm
Length3000mm - 27000mm
MOQ1 Ton
Lead Time15-30 days
PortShanghai / Tianjin
Response within 24 hours
In Stock — Ready to Ship
| Material Grade | GB/T 1591 | Standard | GB/T 1591 |
| Thickness Range | 1mm - 500mm | Width Range | 1500mm - 3500mm |
| Length Range | 3000mm - 27000mm | MOQ | 1 Ton |
| Lead Time | 15-30 days | Port of Shipment | Shanghai / Tianjin |
| C | ≤0.20 | Si | ≤0.50 |
| Mn | ≤1.70 | P | ≤0.035 |
| S | ≤0.035 | Yield Strength | ≥345 MPa (≤16mm) |
| Tensile Strength | 470-630 MPa |
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