›
Q345D hot rolled low alloy steel round bar
Q345D is a low alloy structural steel known for its high tensile strength and excellent low-temperature impact resistance. It undergoes Charpy V-notch impacting tests at -20°C, making it ideal for offshore containers and deep-sea applications. Available in round bar format with customizable sizes.
ASTM: A572 Gr.50JIS: SM490BGB: Q345D
MaterialGB/T 1591
ThicknessN/A (Round Bar)
WidthN/A (Round Bar)
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 | Standard | GB/T 1591 |
| Thickness Range | N/A (Round Bar) | Width Range | N/A (Round Bar) |
| Length Range | 6000-12000 mm | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | ≤0.20 | Si | ≤0.55 |
| Mn | 1.00-1.60 | P | ≤0.030 |
| S | ≤0.030 | V | 0.02-0.15 |
| Nb | 0.015-0.060 | Ti | 0.02-0.20 |
| Al | ≥0.015 | Yield Strength | ≥275 MPa |
| Tensile Strength | 470-630 MPa | Impact Test | Charpy V-Notch |
Request a Quote for This Product
Can't Find the Product You Need?
Our team of steel experts is ready to help you source any product from our global network of mills and warehouses.