ALLOYS
310S/310H
310S/310H is an austenitic stainless steel developed for use in high temperature corrosion resistant applications. Because of its high chromium and moderate nickel content, 310S/310H is resistant to sulfidation and can also be used in moderately carburizing atmospheres.
UNS: S31008/S31009
Stock Sizes:1/4” – 1” OD
Specifications:
- Seamless Tube: ASTM A213/A269
- NACE MR0175/MR0103
Available Processing:
- Cold Worked and Bright Annealed
Common Testing: Eddy Current, Flare, Flattening, Positive Material Identification
Chemical Composition (%)
| Chemical | Percentage |
|---|---|
| Iron (Fe) | Balance |
| Chromium (Cr) | 24-26% |
| Nickel (Ni) | 19-22% |
| Molybdenum (Mo) | – |
| Manganese (Mn) | 2% Max |
| Silicon (Si) | 1% Max |
| Carbon (C) | 0.04-0.08% |
| Sulfur (S) | 0.030% Max |
| Chemical | Percentage |
|---|---|
| Phosphorus (P) | 0.045% Max |
| – | – |
| – | – |
| – | – |
| – | – |
| – | – |
| – | – |
| – | – |
Physical Properties
| Property | Measurement |
|---|---|
| Density (lb/in3) | 0.285 |
| Elongation (min %) | 35 |
| Minimum Yield (psi) | 30,000 |
| Minimum Tensile (psi) | 75,000 |
| Max Hardness (HRB) | 90 |