Whole St17-13W
St17-13W Steel for steam turbine blades
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.07 | 0.12 | ||
| Si | 1.00 | |||
| Mn | 1.00 | |||
| P | 0.040 | |||
| S | 0.030 | |||
| Cr | 16.00 | 18.00 | ||
| Ni | 12.00 | 14.00 | ||
| W | 2.50 | 4.00 | ||
| Ti | 4 X C ~ 0.80 | |||
| B | 0.001 | 0.006 |
