Chemical composition in % of the material V2F ( V2F, В2Ф ) .
C
Si
Mn
S
P
Cr
W
V
1.05 - 1.22
0.1 - 0.4
0.15 - 0.45
max 0.03
max 0.03
0.2 - 0.4
1.6 - 2
0.15 - 0.3
Temperature of critical points of the grade V2F ( V2F, В2Ф ).
Ac1 = 750 , Ac3(Acm) = 800 , Ar1 = 650
Brinell hardness of the material V2F ( V2F, В2Ф ) (annealing) ,
HB 10 -1= 210 - 229 MPa
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