| CHEMICAL COMPOSITION OF REQUIRED GRADE |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Cu |
Cb+Ta |
|
17-4PH |
0.07 |
1 |
0.04 |
0.03 |
1 |
15 |
3 |
3 |
0.15 |
|
max |
max |
max |
max |
max |
17.5 |
5 |
5 |
0.45 |
15-5PH |
0.07 |
1 |
0.04 |
0.03 |
1 |
14 |
3.5 |
2.5 |
0.15 |
|
max |
max |
max |
max |
max |
15.5 |
5.5 |
4.5 |
0.45 |