Forged flanges & fittings
ASTM A182 F310 — chemistry & properties
ASTM A182 F310 (Forged flanges & fittings, UNS S31000): chemical composition and mechanical properties. Oxidation-resistant service to about 1100 °C — furnaces, burners, heat exchangers
Chemical composition (wt %)
| C | ≤ 0.25 |
| Mn | ≤ 2 |
| P | ≤ 0.045 |
| S | ≤ 0.03 |
| Si | ≤ 1 |
| Cr | 24 – 26 |
| Ni | 19 – 22 |
Mechanical properties
| Tensile strength, min | 515 MPa |
| Yield strength, min | 205 MPa |
| Elongation, min | 30 % |
| Hardness | Not specified |