Characteristics of the material KH12VM ( H12VM, Х12ВМ ).
Material :
KH12VM ( H12VM, Х12ВМ )
Substitute:
Х12М
Classification :
Die tool steel
Chemical composition in % of the material KH12VM ( H12VM, Х12ВМ ) .
C
Si
Mn
Ni
S
P
Cr
Mo
W
V
Cu
2 - 2.2
0.1 - 0.4
0.15 - 0.45
max 0.35
max 0.03
max 0.03
11 - 12.5
0.6 - 0.9
0.5 - 0.8
0.15 - 0.3
max 0.3
Temperature of critical points of the grade KH12VM ( H12VM, Х12ВМ ).
Ac1 = 815 , Mn = 225
Brinell hardness of the material KH12VM ( H12VM, Х12ВМ ) (annealing) ,
HB 10 -1= 255 MPa
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