ASTM A106 GrB PIPE related material in China
PIC-( ASTM A106 GrB PIPE related material in China)
| Standard | Steel grade | Chemical constituents (%) | |||||||
| C | Mn | Si | Cr | Ni | Cu | P.S | |||
| GB/T8163 | 10 | 0.07～0.13 | 0.35～0.65 | 0.17～0.37 | ≤ 0.15 | ≤ 0.30 | ≤ 0.25 | ≤ 0.030 | |
| 20 | 0.17～0.23 | 0.35～0.65 | 0.17～0.37 | ≤ 0.25 | ≤ 0.25 | ≤ 0.25 | ≤ 0.030 | ||
| Q345 | 0.12～0.20 | 1.20～1.60 | 0.20～0.55 | ≤ 0.030 | |||||
| Mechanical properties | Tensile strength (MPa) | Yield strength (MPa) | Elongation(%) | ||||||
| 10 | 335～475 | ≥ 205 | ≥ 24 | ||||||
| 20 | 410～550 | ≥ 245 | ≥ 20 | ||||||
| Q345 | 490～665 | ≥ 325 | ≥ 21 | ||||||