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SNCM220 Nickel Chromium Molybdenum Alloy Steel
SNCM220 (8620) is a common type of low-carbon alloy steel, primarily composed of alloying elements such as nickel (Ni), chromium (Cr), and molybdenum (Mo). After carburizing treatment, its surface exhibits high hardness and excellent wear resistance. It is often used in bearings, gears, drive shafts, and crankshafts.
The steel codes of different countries are as below：
● American AISI: 8620
● American JIS: SNCM220
● German DIN: 20NiCrMo2-2
● Chinese GB: 20CrNiMo
● International Standard ISO: 20NiCrMo2
The steel codes of different countries are as below：
● American AISI: 8620
● American JIS: SNCM220
● German DIN: 20NiCrMo2-2
● Chinese GB: 20CrNiMo
● International Standard ISO: 20NiCrMo2
| C% | Si% | Mn% | P% | S% | Cr% | Mo% | Ni% | Cu% |
|---|---|---|---|---|---|---|---|---|
| 0.17-0.23 | 0.15-0.35 | 0.6-0.9 | 0≦0.03 | 0≦0.03 | 0.4-0.65 | 0.15-0.3 | 0.4-0.7 | 0≦0.3 |