ASSAB MM40/MM30 Die steel
ASSAB MM40/MM30 is a high strength beryllium copper alloy developed by ASSAB Steel. Its die characteristics are as follows:
L High thermal conductivity
L Excellent corrosion resistance
L Excellent polishing
L Excellent wear resistance
L Excellent adhesion resistance
L Excellent machinability
L High strength and hardness
L Excellent weldability
ASSAB MM40/MM30 die steel
ASSAB MM40/MM30 is widely used in molds, cores and inserts that require rapid and uniform cooling, especially for high thermal conductivity, corrosion resistance and good polishing. Its use is as follows:
L Suitable for blow molding, such as clamp, collar and handle inserts
L Suitable for injection molding, such as: mold, mold core, TV shell corner insert
L Suitable for plastic molds, such as inserts and cores
L Suitable for injection molding, such as nozzle and hot runner system confluence cavity
ASSAB MM40/MM30 Die steel hardness
Hardness of ASSAB MM40:36-42HRC
Hardness of ASSAB MM30:26-32HRC