GB/T 12227
GB/T 12227 (General purpose industrial valves - Technical specification for ductile iron castings)· GB (China) · 6 materiales
| Designación | Grupo de materiales | |
|---|---|---|
| QT 500-7 | Hierros fundidos | chevron_right |
| QT400-15 | Hierros fundidos | chevron_right |
| QT400-18 | Hierros fundidos | chevron_right |
| QT400-18L | Hierros fundidos | chevron_right |
| QT400-18R | Hierros fundidos | chevron_right |
| QT450-10 | Hierros fundidos | chevron_right |