Seamless & welded pipe
ASTM A790 UNS S32760 — chemistry & properties
ASTM A790 UNS S32760 (Seamless & welded pipe, UNS S32760): chemical composition and mechanical properties. Super duplex seawater and firewater piping
Chemical composition (wt %)
| C | ≤ 0.03 |
| Mn | ≤ 1 |
| P | ≤ 0.03 |
| S | ≤ 0.01 |
| Si | ≤ 1 |
| Cr | 24 – 26 |
| Ni | 6 – 8 |
| Mo | 3 – 4 |
| Cu | 0.5 – 1 |
| N | 0.2 – 0.3 |
Mechanical properties
| Tensile strength, min | 750 MPa |
| Yield strength, min | 550 MPa |
| Elongation, min | 25 % |
| Hardness | 300 HBW max |