ejector pin and sleeve 1.8507
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SACM645 1.8507
SACM645 1.8507 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. Pre-hardened 32-36HRC 40-45HRC.
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