跳至内容 
Q355B Steel Angle
Q355B Steel Angle is a high-strength low-alloy structural steel angle with higher yield strength than Q235B. It is suitable for steel structures, industrial buildings, support frames, bridges, machinery bases and projects requiring stronger load-bearing performance.
SKSteel supplies Q355B Steel Angle in equal angle and unequal angle sizes with MTC support and export packing.
- Steel Supply
- Consistent Sourcing
- Global Logistics
- Project Support
| Item | Description |
|---|---|
| Product | Q355B Steel Angle |
| Standard | GB/T 706, GB/T 1591 |
| Steel Grade | Q355B |
| Production Method | Hot Rolled |
| Length | 6m, 9m, 12m or Customized |
| Surface | Black, Painted, Hot-Dip Galvanized |
| Certificate | MTC EN10204 3.1 |
| Element | Content (%) |
|---|---|
| C | ≤0.24 |
| Si | ≤0.55 |
| Mn | ≤1.60 |
| P | ≤0.035 |
| S | ≤0.035 |
| Property | Value |
|---|---|
| Yield Strength | ≥355 MPa |
| Tensile Strength | 470–630 MPa |
| Elongation | ≥21% |
Q355B Steel Angle is widely used in:
- Steel structure buildings
- Industrial workshops
- Warehouses and commercial buildings
- Transmission towers and communication towers
- Equipment platforms and machinery supports
- Racks, shelves, stairs and handrails
- Infrastructure and bridge auxiliary structures
- Prefabricated steel structures
- Large ready stock
- Equal angle and unequal angle sizes available
- Competitive export pricing
- Cutting, drilling, galvanizing and painting services
- Mill test certificates available
- Fast global delivery
- Professional export packing and loading support
What is Q355B Steel Angle?
Q355B Steel Angle is a structural steel angle product supplied in L-shaped equal angle or unequal angle sections. It is produced according to GB/T 706, GB/T 1591 and used for bracing, framing, support and fabrication work.
What is the equivalent grade of Q355B?
Approximate equivalents include:
- ASTM A572 Grade 50
- EN S355JR
- JIS SM490
Actual project requirements should always be verified by engineers and the final project specification.
Is Q355B Steel Angle suitable for welding?
Yes. Q355B Steel Angle is generally suitable for welding and fabrication when proper welding procedures are used.
What is the standard length of Q355B Steel Angle?
Common stock lengths are 6m, 9m and 12m. Customized cut-to-length service is available.
Can SKSteel provide customized processing for Q355B Steel Angle?
Yes. Cutting, drilling, galvanizing, painting and custom fabrication services are available.
Contact SKSteel for Q355B Steel Angle price, stock availability, loading plan and export shipment support. Please send the size, thickness, length, quantity, surface treatment and destination port for a fast quotation.
