Chemical composition in % of the material TG-90 ( ТГ-90 ) .
Fe
C
Si
Ni
N
Ti
O
Cl
max 0.06
max 0.02
max 0.01
max 0.05
max 0.02
min 99.72
max 0.04
max 0.08
Comment: Ti is a basis; the percentage of Ti is given approximately.
Brinell hardness of the material TG-90 ( ТГ-90 ) ,
HB 10 -1= 90 MPa
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