SST Alloys Chart
Shelmet provides this SST alloys chart for informational purposes only. This chart represents only a limited number of the variety of grades of stainless steel alloys and their chemical composition.
| SST ALLOY | C | Mn | Cr | Mo | Ni | Fe | Si | P | S | Al | Cu | Zn | Other |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 304 | .08 | 2 | 18-20 | -- | 8-10.5 | BAL | 1 | .045 | .03 | -- | -- | -- | -- |
| 304L | .08 | 2 | 18-20 | -- | 8-12 | BAL | 1 | .045 | .03 | -- | -- | -- | -- |
| 316 | .08 | 2 | 16-18 | 2-3 | 10-14 | BAL | 1 | .045 | .03 | -- | -- | -- | -- |
| 316L | .08 | 2 | 16-18 | 2-3 | 10-14 | BAL | 1 | .045 | .03 | -- | -- | -- | -- |
| 321 | .08 | 2 | 17-19 | -- | 9-12 | BAL | 1 | .045 | .03 | -- | -- | -- | Ti5 x C Min |
| 330 | .08 | 2 | 17-20 | -- | 34-37 | BAL | .75-1.5 | .03 | .03 | -- | 1 | -- | -- |
| 347 | .08 | 2 | 17-19 | .75 | 9-13 | BAL | 1 | .045 | .03% | -- | .50 | -- | -- |
| 410 | .15 | 1 | 11.5-13.5 | -- | -- | BAL | 1 | .045 | .03 | -- | -- | -- | -- |
| 430 | .12 | 1 | 16-18 | -- | -- | BAL | 1 | .045 | .03 | -- | -- | -- | -- |
To learn more about the different alloys represented on this SST alloys chart.
To learn the world-wide stainless steel designations, click here.
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