Complaint
Product name | BLACK CARBON STEEL WELDED SQUARE STEEL PIPES |
Size | O.D.: 20x20-400x600mm W.T.: 1.2-11.75mm Length: 3.0-12m |
Standard | ASTM A500, BS1387,GB3091,ASTMA53, B36.10, BS EN1029, GB/T9711 etc |
Material | SS400; S235jrh; ASTM A53 GrA,GrB; STKM11,ST37,ST52, 16Mn,etc. |
Fabrication | Plain ends, cutting, etc |
Surface Treatment | 1. PVC,black and color painting |
2. Transparent oil,anti-rust oil | |
3. According to clients requirement | |
Package | Bundle;Bulk;Plastic bags ,etc |
Others | We can do special orders as customer's requirement. |
We also can provide all kinds of steel hollow pipes. | |
All the production process are made under the ISO9001:2008 strictly |
| Elements Material | Chemical Composition% | Mechanical Property | ||||||
| C% | Mn% | S% | P% | Si% | Yield Point (Mpa) | Tensile Strength(Mpa) | Elongation (%) | |
| Q195 | 0.06-0.12 | 0.25-0.50 | <0.050 | <0.045 | <0.30 | >195 | 315-430 | 32-33 |
| Q215 | 0.09-0.15 | 0.25-0.55 | <0.05 | <0.045 | <0.30 | >215 | 335-450 | 26-31 |
| Q235 | 0.12-0.20 | 0.30-0.70 | <0.045 | <0.045 | <0.30 | >235 | 375-500 | 24-26 |
| Q345 | <0.20 | 1.0-1.6 | <0.040 | <0.040 | <0.55 | >345 | 470-630 | 21-22 |
