IS 9175-21
IS 9175-21 (Specification for Rationalized Steels for the Automobile and Ancillary Industry - Part 21 : Mechanical and Physical Properties of 40Cr4 Grade Steel)· IS (India) · 2 materials
| Designation | Material group | |
|---|---|---|
| 40Cr1 | Structural and constructional steels | chevron_right |
| 40Cr4 | Structural and constructional steels | chevron_right |