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Q355B H BEAM
Q355B H Beam is a high-strength low-alloy structural steel section manufactured according to Chinese standards. Compared with Q235B H Beam, Q355B provides higher yield strength, better load-bearing capacity, and improved structural performance, making it suitable for heavy-duty construction and infrastructure projects.
SKSteel supplies a full range of Q355B H Beams with ready stock, competitive pricing, and worldwide delivery.
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| Item | Description |
|---|---|
| Product | Q355B H Beam |
| Standard | GB/T 11263 |
| Steel Grade | Q355B |
| Production Method | Hot Rolled |
| Length | 6m, 9m, 12m or Customized |
| Surface | Black, Painted, Galvanized |
| Certificate | MTC EN10204 3.1 |
| Element | Content (%) |
|---|---|
| C | ≤0.20 |
| Si | ≤0.55 |
| Mn | ≤1.60 |
| P | ≤0.035 |
| S | ≤0.035 |
| Property | Value |
|---|---|
| Yield Strength | ≥355 MPa |
| Tensile Strength | 470–630 MPa |
| Elongation | ≥26% |
Q355B H Beam are widely used in:
* Structural Steel Buildings
* Industrial Plants
* Warehouses
* High-Rise Construction
* Bridges
* Mining Projects
* Power Plants
* Infrastructure Projects
* Prefabricated Steel Structures
* Large Ready Stock
* Direct Access to Leading Chinese mills
* Full Size Range Available
* Competitive Export Pricing
* Processing Services
* Mill Test Certificates Available
* Fast Global Delivery
* Professional Export Support
What is Q355B H Beam?
Q355B H Beam is a high-strength structural steel section with a minimum yield strength of 355 MPa, commonly used in construction and infrastructure projects.
What is the difference between Q235B and Q355B H Beam?
Q355B offers significantly higher yield strength and load-bearing capacity, making it suitable for heavier structural applications.
What is the equivalent grade of Q355B?
Common approximate equivalents include:
* EN S355JR
* ASTM A572 Grade 50
* JIS SM490A
Is Q355B H Beam a kind of alloy structure steel?
No, Q355B is kindly of low alloy structure steel H Beam considering of the properties of Mn (chemical element), but strictly speaking, Q355B H Beam doesn’t meet the minimum standard for alloying elements according to most countries Alloy H beam definition.
Can SKSteel provide customized processing for Q355B H Beam?
Yes. Cutting, drilling, welding, painting, galvanizing, and fabrication services are available.
