IS 1978
IS 1978 (Line pipe)· IS (India) · 7 materials
| Designation | Material group | |
|---|---|---|
| YSt 170 Class I | Structural and constructional steels | chevron_right |
| YSt 170 Class II | Structural and constructional steels | chevron_right |
| YSt 18 | Structural and constructional steels | chevron_right |
| YSt 21 | Structural and constructional steels | chevron_right |
| YSt 210 | Structural and constructional steels | chevron_right |
| YSt 240 | Structural and constructional steels | chevron_right |
| YSt 25 | Structural and constructional steels | chevron_right |