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: 1.0-30.0mmLength: 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 |
- |
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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
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