S355 Steel Square and Rectangular Pipes Details:
| Product | Square and Rectangular Steel Pipe |
| Material | Carbon Steel |
| Surface | Bare/Natural BlackPaintedOiled with or without wrapped |
| Ends | Plain ends |
| Specification | OD: 20*20-500*500mm ; 20*40-300*500mmThickness: 1.0-30.0mm
Length: 2-12m |
EN10219 S355 Steel Grade:
| EN10219 Chemical composition for product thickness ≤ 40 mm | ||||||
| Steel grade | C (max.)% | Si (max.)% | Mn (max.)% | P (max.)% | S (max.)% | CEV (max.)% |
| S355J0H | 0.22 | 0.55 | 1.6 | 0.035 | 0.035 | 0.45 |
| S355J2H | 0.22 | 0.55 | 1.6 | 0.03 | 0.03 | 0.45 |
| Mechanical properties of non-alloy steel hollow sections in thicknesses ≤ 40 mm | |||||||
| Steel grade | Minimum yield strength MPa |
Tensile strength MPa |
Minimum elongation % |
Minimum impact energy J |
|||
| WT≤16mm | >16mm ≤40mm | < 3mm | ≥3mm ≤40mm | ≤40mm | -20°C | 0°C | |
| S355J0H | 355 | 345 | 510-680 | 470-630 | 20 | - | 27 |
| S355J2H | 355 | 345 | 510-680 | 470-630 | 20 | 27 | - |
S355 Square and Rectangular Steel Pipes Application:
Construction / building materials steel pipe
Structure pipe
Solar mounting components
S355 Square and Rectangular Steel Pipes Quality Control:
1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. We own UL /FM, ISO9001/18001, FPC certificates
