The following data is provided for informational purposes only. It was provided with permission by Special Metals at www.specialmetals.com
Incoloy® 903, also known as UNS N09903, is used known for having high strength, a constant low coefficient of thermal expansion, and a constant modulus of elasticity. Because of these characteristics, there is a always a need for parts forged in Incoloy® 903 in many industrial sectors.
Chemical Composition
(%max., unless shown as range or min.)
| Ni | Co | Nb | Ti | Al | Fe | |
|---|---|---|---|---|---|---|
| Min./Max. | 36.0-40.0 | 13.0-17.0 | 2.40-3.50 | 1.00-1.85 | 0.30-1.15 | *Balance |
*Reference to the ‘balance’ of a composition does not guarantee this is exclusively of the element mentioned but that it predominates and others are present only in minimal quantities.
Applicable Specifications
Incoloy® 903 is designated UNS N19903. The alloy is available as sheet, plate, rode, bar and forging stock.
Common Fabrication Processes
Incoloy® 903 is a highly durable be forged into nearly any shape. This includes:
Industries that Commonly use Incoloy® 903 Forgings:
Custom Forging. Customer Focused.