IS 1979
IS 1979 (高钢级管线管)· IS (印度) · 7 种材料
| 名称 | 材料组别 | |
|---|---|---|
| YSt 290 | 结构钢 | chevron_right |
| YSt 320 | 结构钢 | chevron_right |
| YSt 360 | 结构钢 | chevron_right |
| YSt 390 | 结构钢 | chevron_right |
| YSt 410 | 结构钢 | chevron_right |
| YSt 450 | 结构钢 | chevron_right |
| YSt 480 | 结构钢 | chevron_right |
IS 1979 (高钢级管线管)· IS (印度) · 7 种材料
| 名称 | 材料组别 | |
|---|---|---|
| YSt 290 | 结构钢 | chevron_right |
| YSt 320 | 结构钢 | chevron_right |
| YSt 360 | 结构钢 | chevron_right |
| YSt 390 | 结构钢 | chevron_right |
| YSt 410 | 结构钢 | chevron_right |
| YSt 450 | 结构钢 | chevron_right |
| YSt 480 | 结构钢 | chevron_right |