IS 1978
IS 1978 (管线管)· IS (印度) · 7 种材料
| 名称 | 材料组别 | |
|---|---|---|
| YSt 170 Class I | 结构钢 | chevron_right |
| YSt 170 Class II | 结构钢 | chevron_right |
| YSt 18 | 结构钢 | chevron_right |
| YSt 21 | 结构钢 | chevron_right |
| YSt 210 | 结构钢 | chevron_right |
| YSt 240 | 结构钢 | chevron_right |
| YSt 25 | 结构钢 | chevron_right |
IS 1978 (管线管)· IS (印度) · 7 种材料
| 名称 | 材料组别 | |
|---|---|---|
| YSt 170 Class I | 结构钢 | chevron_right |
| YSt 170 Class II | 结构钢 | chevron_right |
| YSt 18 | 结构钢 | chevron_right |
| YSt 21 | 结构钢 | chevron_right |
| YSt 210 | 结构钢 | chevron_right |
| YSt 240 | 结构钢 | chevron_right |
| YSt 25 | 结构钢 | chevron_right |