Characteristics of the material KH6F4M ( H6F4M, Õ6Ô4Ì ).
Material :
KH6F4M ( H6F4M, Õ6Ô4Ì )
Classification :
Die tool steel
Chemical composition in % of the material KH6F4M ( H6F4M, Õ6Ô4Ì ) .
C
Si
Mn
S
P
Cr
Mo
V
1.7 - 1.85
0.15 - 0.4
0.15 - 0.4
max 0.015
max 0.02
5.7 - 6.5
0.5 - 0.8
3.5 - 4
Temperature of critical points of the grade KH6F4M ( H6F4M, Õ6Ô4Ì ).
Ac1 = 820 , Ac3(Acm) = 860 , Ar1 = 750 , Mn = 260
Brinell hardness of the material KH6F4M ( H6F4M, Õ6Ô4Ì ) (annealing) ,
HB 10 -1= 241 MPa
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