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Chemical Composition:
| % | Ni | Cr | Mo | C | Mn | Si | P | S | Co | Nb+Ta | Al | Ti |
| min | 58.0 | 20.0 | 8.0 | 3.15 | ||||||||
| max | 23.0 | 10.0 | 0.10 | 0.50 | 0.50 | 0.015 | 0.015 | 1.00 | 4.15 | 0.40 | 0.40 |
Production Type and Standard:
| Form | ASTM |
| Rod and bar | B 446 |
| Plate, sheet and strip | B 443, B906 |
| Seamless pipe and tube | B 444, B829 |
| Welded pipe | B 705, B 775 |
| Welded tube | B 704, B 751 |
| Welding fitting | B 366 |
| Forging | B 564 |
| Billet and bar for reforging | B 472 |
Physical Properties:
| Density | 8.44 g/cm3 |
| Melting range | 1290-1350 ℃ |
Features: Inconel 625 has excellent strength at temperatures up to 816℃. At higher temperatures, its strength is generally lower than that of other solid solution strengthened alloys. Inconel 625 has good oxidation resistance at temperatures up to 980℃ and shows good resistance to aqueous corrosion, but is relatively moderate compared to other more capable corrosion resistant alloys.
Applications: Chemical process industry and sea water application. Inconel 625 is used in short term applications at temperatures up to 816℃. For long term service, it is best restricted to a maximum of 593℃, because long term exposure above 593℃ will result in significant embrittlement.
