GB/T 28413
GB/T 28413 (Welded carbon steel tubes for boilers and heat exchangers)· GB (China) · 11 materials
| Designation | Material group | |
|---|---|---|
| 10 | Structural and constructional steels | chevron_right |
| 12Cr1MoVR | Structural and constructional steels | chevron_right |
| 12Cr2Mo1R | Structural and constructional steels | chevron_right |
| 13MnNiMoR | Structural and constructional steels | chevron_right |
| 14Cr1MoR | Structural and constructional steels | chevron_right |
| 15CrMoR | Structural and constructional steels | chevron_right |
| 18MnMoNbR | Structural and constructional steels | chevron_right |
| 20 | Structural and constructional steels | chevron_right |
| Q245R | Structural and constructional steels | chevron_right |
| Q345R | Structural and constructional steels | chevron_right |
| Q370R | Structural and constructional steels | chevron_right |