S355J0 152x152x23 152x152x30 152x152x37 h beam profile
Material characteristics of S355J0 h type steel beam
Chemical composition
Basic elements: C≤0.20% (partially allowed 0.22%), Si≤0.55%, Mn≤1.60%, P≤0.040%, S≤0.040%.
Alloy elements: Cr≤0.30%, Ni≤0.50%, Cu≤0.55%, Mo≤0.10%, Al≤0.030%, Ti≤0.050%.
Mechanical properties
Yield strength: ≥355MPa (when thickness ≤16mm, it decreases slightly with increasing thickness)
Tensile strength: 470-630MPa
Impact toughness: 0℃ impact energy ≥27J, some require -20℃ impact energy ≥27J
Elongation: ≥22%
Process performance
1. Excellent weldability, supporting arc welding, gas shielded welding and other processes.
2. Good processing performance, can adapt to hot rolling, normalizing and other processes, corrosion resistance is suitable for marine, chemical and other environments
UC steel specifications
| model |
Cross-sectional dimensions (mm) |
Weight per meter (kg/m) |
Application scenario examples |
|---|---|---|---|
| UC 152x152x23 | 152.4×152.4×6.8×9.4 | 23 | Lightweight mechanical supports, building substructures |
| UC 152x152x30 | 152.4×152.4×7.1×12.3 | 30 | Medium-sized factory frame, bridge support |
| UC 152x152x37 | 152.4×152.4×8.0×15.0 | 37 | Heavy equipment base, large steel structure beams and columns |
Advantages of S355J0 steel beam h
High strength and light weight: By optimizing the cross-section design, a balance between high load-bearing capacity and material economy is achieved, which is suitable for lightweight engineering needs.
Low temperature adaptability: Excellent impact toughness, suitable for structures in cold areas or low temperature conditions.
Weather resistance: The corrosion resistance is better than ordinary carbon steel, which prolongs the service life of the structure.
Application areas of S355J0 material h beam
Architecture: beams and columns of high-rise buildings, factory frames, gymnasium trusses.
Bridge engineering: highway/railway bridge supports, bridge deck beams.
Machinery manufacturing: heavy machinery bases, crane booms, and conveying equipment frames.
Ship and marine engineering: secondary hull structures, offshore platform supports.
