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Overview
Specifications
254 SMO
254 SMO is an austenitic stainless steel designed for superior pitting and crevice corrosion. It is ideal for high-chloride environments because of its high levels of chromium, molybdenum, and nitrogen. 254 SMO is often used where 316L or 317L has failed.
Chemical Composition
| Element | % |
|---|---|
| Carbon | 0.020 max |
| Manganese | 1.00 max |
| Phosphorus | 0.030 max |
| Sulfur | 0.010 max |
| Silicon | 0.80 max |
| Chromium | 19.5 – 20.5 |
| Nickel | 17.5 – 18.5 |
| Molybdenum | 6.0 – 6.5 |
| Nitrogen | 0.18 – 0.25 |
| Copper | 0.5 – 1.0 |