GB/T 12226
GB/T 12226 (General purpose industrial valves - Technical specification for gray iron castings)· GB (中国) · 4 种材料
| 名称 | 材料组别 | |
|---|---|---|
| HT 200 | 铸铁 | chevron_right |
| HT 250 | 铸铁 | chevron_right |
| HT 300 | 铸铁 | chevron_right |
| HT 350 | 铸铁 | chevron_right |
GB/T 12226 (General purpose industrial valves - Technical specification for gray iron castings)· GB (中国) · 4 种材料
| 名称 | 材料组别 | |
|---|---|---|
| HT 200 | 铸铁 | chevron_right |
| HT 250 | 铸铁 | chevron_right |
| HT 300 | 铸铁 | chevron_right |
| HT 350 | 铸铁 | chevron_right |