Structural Hollow Sections
Structural Hollow Sections
| Shape-Dimensions of Hollow Structural Sections |
| Round: External diameter from 21.3 to 609.6mm (1/2" – 24") Square: Dimension from 30x30x2mm to 500x500x20mm Rectangular: Dimension from 40x20x2mm to 600x400x20mm Length: from 5 to 24m (depending on section type) |
| Packing |
| Bundles containing a sufficient number of binding metal straps bearing distinctive labels Standard bundling, depending on dimensions and length Bundles weighing 1000 to 5500 kg each, depending on product type Length: 6 and 12 metres. Special lengths made to order |
| Quality Control |
| Mechanical Tests: Tensile Test, Flattening Test, Expansion Test, Impact Test Chemical Analyses Visual Examination –Dimensional Inspection |
| Mechanical Properties of Narrrow Strip | |||||||
| Steel Grade | Minimum Yield Stress N/mm2 Nom. Thickness | Tensile Strength N/mm2 Nom. Thickness | Minimum Elongation % Test Temperature | Impact Properties Mean Minimum Absorbed Energy per Test Sample | |||
| T ≤ 16 mm | 16 mm < T < 40 mm | T < 3 mm | 3 mm < T < 40 mm | T ≤ 40 mm | º C | J | |
| S 235 JRH | 235 | 225 | 360 - 510 | 340 - 470 | 24 | 20 | 27 |
| S 275 J0H | 275 | 265 | 430 - 580 | 410 - 560 | 20 | 0 | 27 |
| S 355 J2H | 355 | 345 | 510 - 680 | 410 - 560 | 20 | -20 | 27 |