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Tabelul 3.1.
Compoziţia
chimică şi punctele critice ale oţelurilor inoxidabile utilizate pentru
încercări experimentale
| Ol |
C |
Mn |
Si |
S |
P |
Cr |
Ni |
Cu |
Mo |
Ti |
Ms |
Md |
EDI |
E
Cr |
E
Ni |
I |
E´Cr |
E´Ni |
S |
| 1 |
0.07 |
1.38 |
0.37 |
0.013 |
0.015 |
17.9 |
9.5 |
0.17 |
0.33 |
0.001 |
-201.9 |
113.32 |
50.82 |
19.14 |
12.341 |
-0.77 |
19.4 |
12.46 |
31.89 |
| 2 |
0.1 |
1.15 |
0.52 |
0.012 |
0.014 |
17.5 |
11 |
0.18 |
0.18 |
0.6 |
-323.2 |
108.80 |
64.81 |
19.71 |
14.629 |
-5.77 |
18.9 |
14.76 |
33.64 |
| 3 |
0.03 |
1.42 |
0.34 |
0.018 |
0.045 |
17.2 |
15.8 |
0.11 |
2.78 |
0 |
-490.6 |
92.60 |
48.00 |
22.05 |
17.443 |
-14.75 |
23.6 |
17.52 |
41.12 |
| 4 |
0.48 |
0.4 |
0.48 |
0.011 |
0.029 |
19.51 |
0.26 |
0.08 |
0.22 |
0 |
-360.1 |
-83.58 |
198.74 |
20.8 |
14.884 |
2.42 |
20.9 |
14.94 |
35.87 |
| 5 |
0.13 |
1.45 |
0.38 |
0.014 |
0.035 |
18.1 |
7.62 |
0.52 |
0.25 |
0 |
-198.2 |
84.71 |
71.27 |
19.24 |
12.401 |
0.87 |
19.5 |
12.77 |
32.25 |
| 6 |
0.06 |
1.12 |
0.42 |
0.0008 |
0.035 |
18.2 |
9.2 |
0.15 |
0.3 |
0.31 |
-172.3 |
116.63 |
45.52 |
19.96 |
11.605 |
0.65 |
19.7 |
11.71 |
31.43 |
| 7 |
0.03 |
0.56 |
1.4 |
0.0005 |
0 |
19.6 |
9.9 |
0 |
0.3 |
0.21 |
-232.8 |
115.30 |
21.29 |
23.17 |
11.08 |
0.29 |
22.1 |
11.08 |
33.18 |
| 8 |
0.03 |
0.95 |
0.58 |
0.019 |
0.015 |
15.55 |
6.22 |
0.15 |
0.07 |
0.014 |
171.88 |
173.89 |
27.77 |
16.84 |
7.64 |
11.31 |
16.8 |
7.745 |
24.52 |
| 9 |
0.03 |
1.22 |
0.5 |
0.015 |
0 |
17.51 |
8.75 |
0 |
0.33 |
0.038 |
-71.44 |
138.79 |
31.78 |
19.06 |
10.26 |
3.57 |
19.2 |
10.26 |
29.43 |
|
Ms=1302-42%Cr-61%Ni-33%Mn-28%Si-1667(%C+%N)
[°C]
Md=413-462(%C+%N)-0,2%Si-8,1%Mn-13,7%Cr-0,5%Ni-18,5%Mo
[°C]
EDI=
25,7+2,0%Ni+410%C-0,9%Cr-77%N-13%Si-1,2%Mn
E
Ni=%Ni+%Co+0,5%Mn+30%C+0,3%Cu+25%N
E
Cr=%Cr+2%Si+1,5%Mo+5,5%Al+1,75%Nb+1,5%Ti+0,75%W
E´ Ni=%Ni+30(%C+%N)+0,5%Mn+%Cu
E´ Cr=%Cr+2%Mo+0,5%Si
S = E´ Cr + E´ Ni
I=37,19-51,2%C-1,02%Mn-2,59%Ni-0,467%Cr-34,4%N
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