What is Q235 Carbon Steel H Beam?
Q235 carbon steel H beam is a widely used structural steel profile manufactured under the GB/T 700 standard, designed for load-bearing and structural support applications. Compared with ordinary steel sections, the H-shaped cross-section provides better strength distribution, higher structural efficiency, and improved stability under load.
Because of its balanced mechanical properties and competitive cost, Q235 H beam is commonly selected for steel structures, workshops, warehouses, platforms, bridges, and industrial construction projects.
In many engineering applications, buyers choose Q235 carbon steel H beam not because it is the highest-strength option, but because it provides a practical balance between structural performance, fabrication convenience, and budget control.
Compared with I beams, H beams generally offer wider flanges and more balanced section geometry, making them suitable for columns, beams, and heavy structural frameworks.
Product Details




Specifications and Technical Details
Basic Product Information
| Item | Details |
| Standard | GB/T 700 |
| Grade | Q235A / Q235B |
| Product Type | Hot Rolled H Beam |
| Shape | H Section Steel |
| Surface Finish | Hot Rolled / Black Surface / Galvanized |
| Length | 6m / 9m / 12m / Customized |
| Processing Service | Cutting, Drilling, Welding, Galvanizing |
Common Size Range
| Height (H) | Width (B) | Thickness |
| 100 mm – 900 mm | 50 mm – 300 mm | Customized |
Mechanical Properties (Typical Values)
| Property | Value |
| Yield Strength | ≥ 235 MPa |
| Tensile Strength | 370 – 500 MPa |
| Elongation | ≥ 26% |
Chemical Composition (Typical)
| Element | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) |
| Content (%) | ≤ 0.22 | ≤ 0.35 | ≤ 1.40 | ≤ 0.045 | ≤ 0.050 |
Why Choose Our Q235 Carbon Steel H Beam?

For structural steel buyers, the main concerns are usually section accuracy, straightness, theoretical weight consistency, and delivery reliability.
We understand that even small dimensional deviations can affect installation efficiency on site. Because of this, we pay close attention to size tolerance and straightness before shipment.
For engineering customers, we also support:
- Cut-to-length service
- Drilling and processing
- Project-based quantity supply
- Container loading optimization
In export projects, proper packing and loading arrangements are also important to reduce handling damage and maximize freight efficiency.
Rather than only supplying steel sections, we focus on helping customers receive materials that can move smoothly into fabrication and installation.
Key Features and Practical Advantages
Available for Surface Protection Treatment
Depending on project conditions, Q235 steel H beam can be:
- Hot-dip galvanized
- Painted with anti-corrosion coating
- Sandblasted before fabrication
Efficient Structural Load Capacity
The biggest advantage of Q235 carbon steel H beam lies in its section design.
Compared with traditional steel sections:
- More balanced force distribution
- Better bending resistance
- Improved structural rigidity
For warehouse and workshop construction, this helps reduce deformation under long-span loading.
Easier Installation and Fabrication
Q235 H beam performs well during fabrication:
- Easy to weld and cut
- Compatible with bolted structures
- Suitable for prefabricated steel systems
In actual construction projects, easier installation often translates into lower labor costs and shorter schedules.
Application



FAQ
Q: What is the difference between H beam and I beam?
A: H beams usually have wider flanges and better load distribution, making them more suitable for structural applications.
Q: Can Q235 H beam be galvanized?
A: Yes, hot-dip galvanizing is commonly used for outdoor or corrosion-prone environments.
Q: What lengths can you provide?
A: Standard lengths are 6m, 9m, and 12m, while customized cutting is also available.
Q: What payment methods do you support?
A: We accept T/T and L/C. Standard terms are 30% deposit and 70% balance before shipment.
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