S50C is a senior high quality carbon steel, the oxygen converter steelmaking furnace and open hearth furnace or killed steel produced, has the characteristics of homogeneous microstructure. The carbon content of steel (wt%) is higher than 0.4, excellent wear resistance, ductility reduction, quenching deformation and cracking, the quenching is extremely important, must be cut after tempering and cooling, in order to avoid the occurrence of temper brittleness. Through the spheroidizing treatment, the machinability of this kind of carbon steel can be improved. The steel is usually tempered to a hardness of 19~22HRC after use to increase its machinability.
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