● Features and application:
As high hardness and high wear resistance of heat pumps, valves, valve bearings, medical equipment, spring and other parts.
● Chemical Composition:
Carbon C: 0.36 ~ 0.45
Si Si: ≤ 0.60
Manganese Mn: ≤ 0.80
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.035
Chromium Cr: 12.00 ~ 14.00
Ni: to allow containing ≤ 0.60
● Mechanical Properties:
Hardness: Annealed, ≤ 201HB; quenching and tempering, ≥ 50HV