- Stainless Steel Pipes[20]
- Stainless Steel Sheets[20]
- Steel Pipes[20]
- Steel Sheets[1]
seamless pipe seamless steel pipe structure pipe
Product Detailed
good quality,best service and reasonable price
| type | Outer diameter (D) | Wall thickness(S) | |||||||
| cold drown | OD(mm) | Allowable deviation (mm) | Wall thickness(mm) | Allowable deviation (mm) | |||||
| 30~50 | ±0.3% | 30 | ±10% | ||||||
| 50~219 | ±0.8% | ||||||||
| hot rolled | 219 | ±1.0% | 20 | ±10% | |||||
| Mechanical Propert | |||||||||
| standard | grade | Tensile strength (MPa) | Yield strength(MPa) | Elongation(%) | |||||
| GB/T8163 | 10 | 335~475 | 205 | 24 | |||||
| 20 | 410~550 | 245 | 20 | ||||||
| Q345 | 490~665 | 325 | 21 | ||||||
| Chemical composition | |||||||||
| standard | grade | Chemical Composition(%) | |||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | ||
| GB/T8163 | 10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | 0.035 | 0.035 | 0.15 | 0.25 | 0.25 |
| 20 | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 | |
| Q345 | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | 0.045 | 0.045 | ||||
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