Mechanical properties:
The tensile strength (250 N/mm2) EL (560) N/mm2 (18%) HB (250)
Chemical composition (%):
C: 1.10
Mn: 1
P: 0.03
S: 0.010
Cr: 17.50
Mo: 0.60
Ni: 0.60
Cu: 0.50
Si: 1
Heat treatment specifications:
1) Annealing, 800 ~ 920 slow cooling;
2) Quenching, 1010 - 1070 oil cooling;
3) Tempering, 100-180 fast cooling;
The best material for knife making(For reduce the cost, this 440C rod is not polished.)
Package: 1 pc 440c stainless steel flat bar