GB/T 12226
GB/T 12226 (General purpose industrial valves - Technical specification for gray iron castings)· GB (Çin) · 4 malzeme
| Tanım | Malzeme grubu | |
|---|---|---|
| HT 200 | Dökme demir | chevron_right |
| HT 250 | Dökme demir | chevron_right |
| HT 300 | Dökme demir | chevron_right |
| HT 350 | Dökme demir | chevron_right |