Square Steel

ASTM 1045 DIN 1.1730 JIS S45C 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.
Annealing ≤HB255,pre-hardened HRC 40-46/HRC50-55.

ASTM 304 DIN 1.4301 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.
Annealing ≤HB255,pre-hardened HRC 40-46/HRC50-55.