IS 1990
IS 1990 (Steel rivet and stay bars for boilers)· IS (India) · 2 materials
| Designation | Material group | |
|---|---|---|
| Grade St 37 BR | Structural and constructional steels | chevron_right |
| Grade St 42 BR | Structural and constructional steels | chevron_right |
IS 1990 (Steel rivet and stay bars for boilers)· IS (India) · 2 materials
| Designation | Material group | |
|---|---|---|
| Grade St 37 BR | Structural and constructional steels | chevron_right |
| Grade St 42 BR | Structural and constructional steels | chevron_right |