Superalloys resist creep and oxidation. They are also called high performance alloys and can be shaped. Super alloys are strengthened by work hardening, precipitation hardening, and solid-solution hardening. Apex Metal India is a significant supplier and stockiest of nickel in all grades.
| Element | Content(%) |
|---|---|
| Chromium, Cr | 27-31 |
| Iron, Fe | 7-11 |
| Manganese, Mn | 0.5 max |
| Copper, Cu | 0.5 max |
| Silicon, Si | 0.5 max |
| Carbon, C | 0.05 max |
| Sulfur, S | 0.015 max |
| Nickel, Ni | Remainder |
| Properties | Metric | Imperial |
|---|---|---|
| Poisson's ratio | 0.29 | 0.29 |
| Hardness | 85 |
Inconel 690™ is used in the following applications:
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