Decho is a professional supplier on 40Cr/SAE5140/SCR440 Material Steel Round Bar

The hardenability of steel is good. This kind of steel is suitable for cyanidation and high frequency quenching in addition to quenching and tempering. The cutting performance is better. When the hardness is 174~229HB, the relative machinability is 60%. The steel is suitable for making medium-sized plastic molds.