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System of Measurement System of Measurement |
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Appearance Appearance |
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Hardness Rating Hardness Rating |
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Hardness Hardness |
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Certificate Certificate |
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Density Density |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Elongation Elongation |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Melting Point Temperature Melting Point Temperature |
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Modulus of Elasticity Modulus of Elasticity |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met |
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Surface Resistivity Surface Resistivity |
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Temper Rating Temper Rating |
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Thermal Conductivity Thermal Conductivity |
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Tolerance Rating Tolerance Rating |
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Thermally Stable Invar 36 Nickel Alloy Sheets

- Yield Strength: 40,000 psi
- Hardness: Rockwell B90 (Medium)
- Temper Rating: Softened (Annealed)
- Specifications Met: ASTM F1684
Because Invar 36 holds its size and shape when temperatures rise, this nickel-iron alloy is the go-to material when dimensional stability is required. It is commonly used when precision is a priority, such as for scientific instruments and optical devices.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
6" × 6" | 12" × 12" | 12" × 24" | |||||
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| Thick. | Thick. Tolerance | Each | Each | Each | |||
| 0.01" | -0.0005" to 0.0005" | 0000000 | 000000 | 0000000 | 000000 | 0000000 | 000000 |
| 0.02" | -0.001" to 0.001" | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 0.04" | -0.001" to 0.001" | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 0.06" | -0.002" to 0.002" | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |

























