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Q355B Steel Plate
Q355B is a low-alloy high-strength structural steel plate conforming to GB/T 1591-2018. It features excellent mechanical properties, low-temperature performance, plasticity, and weldability. Widely used in engineering, mining machinery, bridges, vehicles, ships, construction, and pressure vessels.
ASTM: A572 Gr.50JIS: SM490BEN: S355JR
MaterialGB/T 1591-2018
Thickness6-255 mm
Width1300-3000 mm
Length6000-12000 mm
MOQ1 Ton
Lead Time7-15 days
PortShanghai / Tianjin
Response within 24 hours
In Stock — Ready to Ship
| Material Grade | GB/T 1591-2018 | Standard | GB/T 1591-2018 |
| Thickness Range | 6-255 mm | Width Range | 1300-3000 mm |
| Length Range | 6000-12000 mm | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | ≤0.24 | Si | ≤0.55 |
| Mn | ≤1.60 | P | ≤0.035 |
| S | ≤0.035 | Cr | ≤0.30 |
| Ni | ≤0.30 | Yield Strength (≤16mm) | ≥355 MPa |
| Tensile Strength | 470-630 MPa |
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