IS 3885-1
IS 3885-1 (Steel for the manufacture of laminated springs (railway rolling stock) Part 1 Flat Sections)· IS (India) · 4 materials
| Designation | Material group | |
|---|---|---|
| 40Si7 | Structural and constructional steels | chevron_right |
| 55C6 | Structural and constructional steels | chevron_right |
| 55Si7 | Structural and constructional steels | chevron_right |
| 75C6 | Structural and constructional steels | chevron_right |