300 Series · UNS S31400
An austenitic stainless steel grade (300 series), with a high-silicon addition for high-temperature service.
| Element | Range (%) |
|---|---|
| Cr | 23 – 26 |
| Ni | 19 – 22 |
| C | ≤ 0.25 |
| Si | 1.5 – 3 |
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