Wrought butt-weld fittings
ASTM A403 WP316L — chemistry & properties
ASTM A403 WP316L (Wrought butt-weld fittings, UNS S31603): chemical composition and mechanical properties. Welded chloride / process corrosion piping
Chemical composition (wt %)
| C | ≤ 0.03 |
| Mn | ≤ 2 |
| P | ≤ 0.045 |
| S | ≤ 0.03 |
| Si | ≤ 1 |
| Cr | 16 – 18 |
| Ni | 10 – 14 |
| Mo | 2 – 3 |
Mechanical properties
| Tensile strength, min | 485 MPa |
| Yield strength, min | 170 MPa |
| Elongation, min | 28 % |
| Hardness | Not specified |