400×300×12.5 mm S235JRH Steel Rectangular Hollow Section
400x300x12.5mm Steel rectangular hollow section in S235JRH, S275J0H, S355J2H to EN 10219, with an uncoated steel surface suitable for further processing or painting. Nominal weight 127.204 kg/m.
Minimum order
Minimum 10 t per size. If the size is already in the current production cycle, we can accept orders from 5 t. Standard length 6 m; 4–12 m on request. We confirm the minimum, lead time and grade in your quote.
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Minimum order: 7 pieces
Minimum order: 10 t per size (from 5 t if the size is in production)
Applications & Usage
This extra heavy-duty industrial Steel rectangular hollow section is commonly specified for heavy structural supports, load-bearing frames, and demanding industrial applications. The 12.5mm wall thickness provides exceptional structural integrity while maintaining workability. The natural mill finish provides a cost-effective solution for applications where aesthetics are secondary. Available in standard lengths of 6m, this profile can be easily cut, drilled, and welded to suit your specific requirements.
Technical Specifications
| Specification | Value |
|---|---|
| Dimensions | 400mm × 300mm × 12.5mm |
| Weight per Meter | 127.204 kg/m |
| Material | Steel |
| Alloy/Grade | S235JRH, S275J0H, S355J2H |
| Standard | EN 10219 |
| Standard Length | 6m |
| Minimum Order per Size | 10 t |
| Cut-to-Length Range | 4000 – 12000 mm |
Section Properties
Nominal values calculated from nominal dimensions to EN 10219-2.
| Property | Value |
|---|---|
| Cross-sectional area(A) | 162 cm² |
| Second moment of area(Ix) | 36489 cm⁴ |
| Second moment of area(Iy) | 23517 cm⁴ |
| Radius of gyration(ix) | 15.0 cm |
| Radius of gyration(iy) | 12.0 cm |
| Elastic section modulus(Wel,x) | 1824 cm³ |
| Elastic section modulus(Wel,y) | 1568 cm³ |
| Plastic section modulus(Wpl,x) | 2198 cm³ |
| Plastic section modulus(Wpl,y) | 1810 cm³ |
| Torsional inertia constant(It) | 47237 cm⁴ |
| Torsional modulus constant(Ct) | 2580 cm³ |
| Surface area per metre(As) | 1.34 m²/m |
| Length per tonne | 7.86 m |
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