| Grade | IS 4367:1991 (Reaffirmed 2001) 20NiCrMo2 / IS 4367 20NiCrMo2 |
| Standard | IS 4367:1991 (Reaffirmed 2001) |
| Description | Low carbon nickel-chromium-molybdenum case hardening steel with excellent core toughness and good surface hardness. Used for gears, shafts and automotive transmission components. |
| Applications | Nickel-chromium-molybdenum case-hardening steel; used for highly stressed gears, shafts, and transmission components requiring high core strength, toughness, and wear-resistant carburized surface |