1300
E
E |
I--
100
500
I I
0 50 100
Fe % Nickel
200
100
~ o
7O
60
50
40
~" 3O
20
-'~ 10
~ o.
1700
Figure 4.4 Fe-Ni equilibrium diagram
298 Steels: Metallurgy and Applications
450
400
~" 350
a.
~ 300 r
-r-^250
200
150
/ t
.// A "
_X X
-S~176 refdgeratecl--7, refdgerated-78 treated ~ ~ 1050 - ~ ' ~. ,,
Solution treated 10~C'~~
Q~
0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
Nickel (%)
Figure 4.5 Effect of nickel content on the structure, hardness and Ms temperature of
O. 1% C 17% Cr steels (After lrvine et al. 1)