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SCM420
Chemical Composition%：
Material Feature：
►The alloy structural steel has good quenching and welding properties but it does not have temper brittleness. It can prevent chill cracking, so it has good machinability and cold plasticity.
►It is normally used in the condition of carburization quenching and tempering which need a medium of non-corrosion and the temperature lower than 250℃. The applications are such as gear, bearing and etc.
Chemical Composition%：
| C | Si | Mn | Cr | Mo | Ni | S | P |
| 0.18-0.23 | 0.15-0.35 | 0.60-0.85 | 0.90-1.20 | 0.15-0.30 | ≦0.25 | ≦0.03 | ≦0.03 |
►The alloy structural steel has good quenching and welding properties but it does not have temper brittleness. It can prevent chill cracking, so it has good machinability and cold plasticity.
►It is normally used in the condition of carburization quenching and tempering which need a medium of non-corrosion and the temperature lower than 250℃. The applications are such as gear, bearing and etc.
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