GB/T 12228
GB/T 12228 (General purpose industrial valves - Technical specification for carbon steel forgings)· GB (China) · 9 materials
| Designation | Material group | |
|---|---|---|
| 20 | Structural and constructional steels | chevron_right |
| 25 | Structural and constructional steels | chevron_right |
| 35 | Structural and constructional steels | chevron_right |
| A105 | Structural and constructional steels | chevron_right |
| LF2 Class 1 | Structural and constructional steels | chevron_right |
| LF2 Class 2 | Structural and constructional steels | chevron_right |
| LF6 Class 1 | Structural and constructional steels | chevron_right |
| LF6 Class 2 | Structural and constructional steels | chevron_right |
| LF6 Class 3 | Structural and constructional steels | chevron_right |