Product Description
JIS.
Code
CHEMICAL COMPOSITION% HEAT TREATMENT HARDN
C Si Mn P S Cr ANNEALING HARDENING ESS
45# 0.45 0.4
0.6
0.8
0.04 0.04
720760 Slow
Cooling
740770 Water
Quenchine
HRC≥ 40
T12
1.2
1.5
0.2
0.35
0.2 0.35
0.03
5
0.03
5
0.2
0.5
750800Slow
Cooling
780820 Water
Quenchine
HRC≥ 62
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