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Super-Invar 32-5 rod UNS-K-93500, Consisting of 32% Nickel, 5% Cobalt, and the balance Iron, this alloy exhibits minimum thermal expansion (one half of Invar 36) at room temperature. It is often used in structural components, supports and substrates requiring precision measurements. ASTM F1684
Main features:
Low expansion coefficient in the range of 20-100C
| Russia | USA | England | Japan | Franch |
| -- | Super-Invar32-5 | SI | Invar | --- |
Content Composition %
| C | Si | P | S | Cu | Mn | Co | Ni | Fe | |
| Less than% (≤) | |||||||||
| 0.05 | 0.20 | 0.020 | 0.020 | 0.4-0.8 | 0.2-0.6 | 3.2-4.2 | 31.5-33.0 | Rest | |
Applications:
