Characteristics of the material 8KH4V3M3F2 ( 8H4V3M3F2, 8Õ4Â3Ì3Ô2 ).
Material :
8KH4V3M3F2 ( 8H4V3M3F2, 8Õ4Â3Ì3Ô2 )
Classification :
Die tool steel
Chemical composition in % of the material 8KH4V3M3F2 ( 8H4V3M3F2, 8Õ4Â3Ì3Ô2 ) .
C
Si
Mn
S
P
Cr
Mo
W
V
0.75 - 0.85
0.15 - 0.4
0.15 - 0.4
max 0.03
max 0.03
3.5 - 4.5
2.5 - 3
2.5 - 3.2
1.9 - 2.5
Temperature of critical points of the grade 8KH4V3M3F2 ( 8H4V3M3F2, 8Õ4Â3Ì3Ô2 ).
Ac1 = 865 , Ac3(Acm) = 895 , Ar1 = 720 , Mn = 195
Brinell hardness of the material 8KH4V3M3F2 ( 8H4V3M3F2, 8Õ4Â3Ì3Ô2 ) (annealing) ,
HB 10 -1= 255 MPa
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