GB/T 12226
GB/T 12226 (General purpose industrial valves - Technical specification for gray iron castings)· GB (Chiny) · 4 materiałów
| Oznaczenie | Grupa materiałowa | |
|---|---|---|
| HT 200 | Żeliwa | chevron_right |
| HT 250 | Żeliwa | chevron_right |
| HT 300 | Żeliwa | chevron_right |
| HT 350 | Żeliwa | chevron_right |