| ASTM A403/A403M-00a | |||||||||||
| Wrought Austenitic Stainless Steel Piping Fittings | |||||||||||
| Grade | Composition, % | ||||||||||
| C | Mn | P | S | Si | Ni | Cr | Mo | ||||
| WP 304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 8.0-11.0 | 18.0-20.0 | - | |||
| WP 304L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 8.0-13.0 | 18.0-20.0 | - | |||
| WP 316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 10.0-14.0 | 16.0-18.0 | 2.00-3.00 | |||
| WP 316L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 10.0-16.0 | 16.0-18.0 | 2.00-3.00 | |||
| GENERAL NOTE: | |||||||||||
| All values are maximum unless otherwise indicated. | |||||||||||
| Tensile and Elongation Requirements | WP304, WP316 | WP304L, WP316L | |||||||||
| Yield Strength, min, ksi [MPa] | 30[205] | 25[170] | |||||||||
| Tensile Strength, min, ksi [MPa] | 75[515] | 70[485] | |||||||||
| Elongation (1) | Longitudinal | 28 | 28 | ||||||||
| Transverse | 20 | 20 | |||||||||
| NOTE: (1) Standard round specimen, or small proportional specimen, or strip-type specimen, min % in 4D. | |||||||||||