SNCM220 Case Hardening Steel
SNCM220 Case Hardening steel manufacturers and suppliers, supplied in round rods,square/flat bars,rollers,shafts,blocks and forging pieces.
SNCM220 Case Hardening Steel is defined as low Cr-Ni-Mo alloy steel as per JIS G4103 Standard.It has high surface hardness, good wear resistance and fatigue strength after nitriding heat treatment.SNCM220 is mainly used for automobile bearings, drive shafts, gears, screws, cutting tools and other products which need impact resistance and wear resistant.
1.Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
| SNCM220 | 0.17-0.23 | 0.15-0.35 | 0.6-0.9 | ≤ 0.03 | ≤ 0.03 | 0.4-0.65 | 0.4-0.7 | 0.15-0.30 |
2.Related Specifications
ASTM:8620
BS:805M20
EN/DIN:20NiCrMo2-2/21NiCrMo2
GB:20CrNiMo
3.Heat Treatment & Mechanical Property
