904L UNS N08904 1.4539 Corrosion-Resistant Alloy Products
904L is a high-alloy austenitic stainless steel with low carbon content. 904L has good resistance to general corrosion, particularly in sulfuric and phosphoric conditions. It has been application proved over many years and was originally developed to resist corrosion in dilute sulfuric acid.
Specifications
| UNS | W.Nr |
| N08904 | 1.4539 |
Chemical composition
| Grade | % | Ni | Cr | Mo | Cu | Fe | C | Mn | P | S |
| 904L | Min | 24 | 19 | 4 | 1 | Bal. | ||||
| Max | 26 | 21 | 5 | 2 | 0.02 | 2 | 0.03 | 0.015 |
Mechanical properties(Minimum value at 20℃)
| Tensile Strengthσb/MPa | Yield Strengthσp0.2/MPa | Elongationσ5 /% |
| 490 | 215 | 35 |
Standard
| Bar | Forging | Sheet/Strip | Wire | Pipe | Welding wire |
| ASTM B649 | - | ASTM B625 | ASTM B649 | ASTM B677 ASTM B673 | AWS A5.9ER385 |
