STS INFORMATION STAINLESS STEEL CLUB

Character & Usage

410

Characteristics
Steel type that represents Martensite, goof strength but not suitable for use in harsh/severe corrosion conditions. Has excellent drawability and hardens with heat treatment (magnetic).
Usage
General knife blades, machine parts, petroleum refining apparatus, bolts, nuts, pump shafts, spoons, forks

420J1

Characteristics
In quenching condition, has high strength and good corrosion resistance (magnetic)
Usage
General knife (dinner knife) turbine blades

420J2

Characteristics
Compared to 420J1, higher post-quenching strength (magnetic).
Usage
Knife blades, nozzles, valves, rulers, scissors, general knives