A high‑strength, low‑alloy structural steel produced to Chinese standard GB/T 1591. Q460D offers a high yield level and good toughness for demanding structural applications where greater load capacity and resistance to brittle fracture are required.
Key features
- Conforms to GB/T 1591 (Q460 series)
- Density: 7.85 g/cm³
- Minimum yield strength: 460 MPa (for thickness < 16 mm)
- Tensile strength: typically 550–720 MPa
- Charpy impact test temperature: –20 °C (Q460D grade)
Available product forms and dimensions
- Shapes: plates, sheets, coils, angles, channels, round bars
- Thickness range: 1.5 – 300 mm (coil thickness ≤ 25 mm)
- Width range: 1,220 – 4,200 mm
- Length range: 5,000 – 18,000 mm
Typical applications
- Heavy structural engineering (bridges, buildings, and large steel structures)
- Construction machinery and heavy equipment
- Components requiring high yield strength and improved toughness
Standards & common equivalents
- Chinese standard: GB/T 1591 (Q460 series: Q460C, Q460D, Q460E)
- Commonly cited equivalents or comparable grades: ASME/ASTM SA36, SA283 Grade C, SA572 Grade 50/60, SA709 Grade 50W, SS400, S235JR, S355JR
Quality and processing
- Supplied with mill test certificates to demonstrate mechanical and impact properties
- Typical supplier services: cutting, welding, drilling, grinding, turning and other secondary processing on request
- Produced and inspected to industry quality systems (ISO/CE/SGS certifications commonly available from mills)
Ordering notes
- Specify required grade (Q460D or Q460E), product form (plate, coil, bar, profile), exact dimensions (thickness × width × length), surface condition, and any post‑processing or testing requirements when requesting a quotation.
Product Details
Harmonized commodity
Brand:
BBN steel
Country of origin:
China
Industrial sector:
