IS 11428-1
IS 11428-1 (Specification for wrought carbon steel butt-welding pipe fittings. Part 1: General)· IS (India) · 2 materials
| Designation | Material group | |
|---|---|---|
| IS 11428 Grade 1 | Structural and constructional steels | chevron_right |
| IS 11428 Grade 2 | Structural and constructional steels | chevron_right |