CarTech 420 stainless is a hardenable 12% chrome steel with higher strength and hardness and better wear resistance than CarTech 410 stainless.

CarTech 420 stainless has been used for cutlery, surgical and dental instruments, scissors, tempered rules, tapes and straight edges, gauges, needle valves, ball check valves, gears, shafts, cams, pivots, ball bearings, magnets, etc. It also has found uses at moderately elevated temperatures-such as springs, valve parts, etc. It should not be used for springs or heavily stressed parts that must operate at sub-zero temperatures.

Plastic molders have found the unique properties of this steel of particular value. A few of the advantages provided by this steel for mold cavities have included:

Corrosion resistance
High strength at room and moderately elevated temperatures
Cleanness and uniformity
Accuracy in heat treatment
Mirror-like finishes
Long production runs
Easy ejection
Chrome plating unnecessary
Less polishing time
Can be hobbed moderately when annealed for maximum softness

When ordering plastic mold cavities, orders should specify "CarTech 420 Mold Steel."