Introduction
H-shaped channel (wide flange beam) is a structural steel section with an "H" -shaped cross-section. It is widely used in construction, bridges, machinery manufacturing, and steel structure projects.
| Shape | H-shape |
| Tolerance | ±1% |
| Material | Carbon Steel |
| Alloy Or Not | Non-Alloy |
| Standard | ASTM, JIS, BS, EN, GB, AiSi |
| Web Width | 100mm-500mm, can be customized |
| Web Thickness | 4.5mm-13mm, can be customzied |
| Flange Width | 75mm-400mm, can be customized |
Features
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Superior Load-Bearing Performance
The symmetric "H" structure evenly distributes bending stress across flanges and web, enabling it to withstand ultra-high vertical loads (supports up to 100+ tons per beam) and lateral pressure-ideal for long-span (15-50m) and heavy-duty projects.
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Excellent Structural Stability
Wider flanges reduce torsional deformation, while the thick web resists shear force. This stability ensures safety in dynamic environments (e.g., high winds, machinery vibration) without additional reinforcement.
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Efficient Material Utilization
Compared to solid steel or I-beams, it uses 30%-50% less raw material while delivering higher strength. Lighter weight also lowers transportation costs and simplifies on-site hoisting (requires smaller cranes).
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Easy Installation & Versatility
Standardized dimensions allow seamless connection with bolts, welds, or brackets. It integrates with other profiles (e.g., C-steel, flat steel) and can be cut/drilled on-site, adapting to complex structural designs.
Material and Chemical Composition
| Material grade | Chemical composition | Appropriate scenario |
| Q235 | C≤0.22,Si≤0.35,Mn≤1.40,P≤0.045,S≤0.050 | Ordinary buildings, generally the load-bearing structure |
| Q345 | C≤0.20,Si≤0.50,Mn≤1.70,P≤0.035,S≤0.035 | Medium-high strength engineering, bridge structure |
| SS400 | C≤0.20,Si≤0.35,Mn≤1.40,P≤0.040,S≤0.040 | General structure, export equipment support |
| ASTM A36 | C0.25-0.29,Si≤0.40,Mn0.80-1.20,P≤0.040,S≤0.050 | International project, steel structure export |
Mechanical Properties
The mechanical properties of H-shaped steel are determined by the material, the rolling process and the cooling method. The key indicators are as follows:
| Yield strength(σs) | Tensile strength(σb) | Elongation(δ5) | Impact toughness(Akv) |
| 235-445MPa | 300-610MPa | ≥17%-24% | ≥25J(0℃) |
| Q235≥235MPa | ASTM A36:400-550MPa | Q345≥21% | Q345≥34J |
Custom Services
- Custom Size and Length
H shaped channels can be supplied in various sizes and lengths according to project requirements, ensuring compatibility with different structural designs and construction needs.
- Surface Treatment Options
Surface treatments such as galvanizing, painting, or anti-corrosion coatings can be applied to improve corrosion resistance and extend the service life of the steel.
- Precision Cutting and Processing
Additional processing services such as cutting, drilling, and welding preparation can be provided to meet fabrication and installation requirements.
FAQs
1. What is the difference between H shaped channel and I beam?
H shaped channels have wider flanges and a more balanced structure, which provides better load distribution and structural stability compared with traditional I beams.
H shaped channels have wider flanges and a more balanced structure, which provides better load distribution and structural stability compared with traditional I beams.
2. Are different steel grades available for H shaped channels?
Yes, manufacturers can provide various steel grades depending on the strength and performance requirements of the project.
Yes, manufacturers can provide various steel grades depending on the strength and performance requirements of the project.
3. How are H shaped channels typically transported?
They are usually bundled securely and packed with protective materials to ensure safe transportation and prevent damage.
They are usually bundled securely and packed with protective materials to ensure safe transportation and prevent damage.
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