prehardened steel SCM440
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SCM440 4140 1.7225
SCM440 4140 1.7225 General cold work die steel with good machinability,to be made die casting mold,extrusion and injection mold and ejector pins,ejector sleeve,punches,block gauge,measuring tools. High wear resistance,high toughness,small deformation caused by heat treatment. Have a high and uniform hardness after heat treatment,heat resisting,resistance to high temperature oxidation,good toughness,machinability and weldability. QUENCHED & TEMPERED 32-36HRC,26-32HRC OR AS PER CUSTOMER REQUEST.
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