S275JR S355JR Hot Rolled H Beams 127-356mm Sizes for Construction & Industrial Applications
S275JR and S355JR hot-rolled H-shaped steel beams feature wide flanges and high lateral rigidity, offering approximately 5-10% higher bending resistance compared to I-beams. The parallel flange surfaces provide structural convenience and superior performance across various industrial applications.
Material Standards: BS EN 10025-2:2004 (S235JR/J0/J2, S275JR/J0/J2, S355JR/J0/J2/K2, S450J0)
Dimension Standards: BS4-1:2005
Tolerance Standards: BS EN 10034:1993
| Designation | h (mm) | b (mm) | s (mm) | t (mm) | Area (cm²) | Ix (cm⁴) | Iy (cm⁴) |
|---|---|---|---|---|---|---|---|
| 127x76x13 | 127.0 | 76.0 | 4.0 | 7.6 | 16.5 | 473 | 55.7 |
| 152x89x16 | 152.4 | 88.7 | 4.5 | 7.7 | 20.3 | 834 | 89.8 |
| 178x102x19 | 177.8 | 101.2 | 4.8 | 7.9 | 24.3 | 1,356 | 137 |
| 203x102x23 | 203.2 | 101.8 | 5.4 | 9.3 | 29.4 | 2,105 | 164 |
| 203x133x25 | 203.2 | 133.2 | 5.7 | 7.8 | 32.0 | 2,340 | 308 |
Optimized cross-sectional design provides superior bending resistance in all directions, with excellent strength-to-weight ratio and structural stability.
Wide flanges and parallel surfaces ensure easy connection, installation, and maintenance across diverse applications.
Available in carbon structural steel and low-alloy steel grades including S235JR, S275JR, and S355JR for varying strength requirements.
- Industrial and civil building structures
- Large-span industrial plants and high-rise buildings
- Earthquake-resistant structures and high-temperature environments
- Bridge components requiring large bearing capacity
- Heavy equipment manufacturing and machinery frames
- Marine engineering and shipbuilding structures
- Mining support systems and foundation engineering
- Transportation infrastructure and port facilities
Produced by Shandong Zhengde Metal Manufacturing Co., Ltd. using automated continuous rolling processes, laser cutting technology, and precise straightening methods. With 8 production lines and daily output of 1600 tons, we ensure consistent quality and reliable supply.
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