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Invar 32 Wire 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.
Super-Invar32-5 Wire
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
Applications
Optical and laser systems
Telescopes
Laser bench tops
Ring laser gyroscopes
Main features:
Low expansion coefficient in the range of 20-100C
Average linear expansion coefficient
| Sample heat treatment system | /(10-6/ | |
| 20-100℃ | 20-300℃ | |
| The semi-finished sample is heated to 840±10° C., kept for 1 h, water quenched, and then the sample is processed into a finished sample, which is kept at 315C10C for 1 h with furnace cooling or air cooling. | ≤1.0 | ... |
Applications
Optical and laser systems
Telescopes
Laser bench tops
Ring laser gyroscopes
Main features:
Low expansion coefficient in the range of 20-100C
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 | |
| Type | Size/mm | Deliver State |
| Bar | 5.0-8.0 | Cold Drawn |
| 8.0-30.0 | Hot rolling | |
| 30.0-180.0 | Hot forging | |
| Plate | 3.5-30.0 | Hot rolling |
| 30.0-40.0 | Hot forging | |
| Strip | 0.2-3.5 | Cold rolling |
| Flat wire | 0.5-5.0 | Hot rolling |
| Round wire | 0.1-5.0 | Cold Drawn |
| Capillary | OD8.0-1.0ID0.1-8.0 | Cold Drawn |
| Pipe | OD120-8.0, ID8.0-129 | Cold drawn |
