| Customization: | Available |
|---|---|
| Product Type: | Foil |
| Material: | Fe 36% Balance Ni |
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Invar 36 is suitable for the applications who require low coefficient of expansion, such as production, storage and transportation of liquid gas, temperature regulation devices working below 200ºC, aperture mask, unit frameworks working below -200ºC and so on.
Invar 36 is widely used for precision instruments like optoelectronic devices, optical and laser benches, electronics, and other kinds of scientific instruments.
Chemical composition:
| Grade | C% | Si% | P% | S% | Mn% | Cr% | Ni% | Fe% |
| Invar 36 | Max 0.05 | Max 0.30 | Max 0.020 | Max 0.020 | 0.20-0.60 | Max 0.5 | 35.0-37.0 | Bal. |
Specifications:
| Grade | UNS | Werkstoff Nr. |
| Invar 36 | K93600 | 1.3912 |
Physical Properties:
| Grade | Density | Melting Point |
| Invar 36 | 8.1 g/cm3 | 1430°C |
Mechanical Properties:
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
| Invar 36 | 518 N/mm² | 276 N/mm² | 34% | HRB80 |
Coefficient of Expansion:
| Alloy | Linear Coefficient of Thermal Expansion ā,10-6/ºC | |||||
| 20-50ºC | 20-100ºC | 20-200ºC | 20-300ºC | 20-400ºC | 20-500ºC | |
| Invar 36 | 0.6 | 0.8 | 2 | 5.1 | 8 | 10 |
Available Specifications:
| ASTM F-1684 | MIL 1-23011 CL 7 | AMS 1-23011 CL 7 |
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