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Your Position: Home - - What is the spec of Invar 36?

What is the spec of Invar 36?

Author: Evelyn

Mar. 25, 2024

If you're in the market for a material with low thermal expansion, high strength, and good corrosion resistance, then look no further than Invar 36. This unique alloy is a popular choice in a variety of industries for its impressive combination of properties. But what exactly is the spec of Invar 36? Let's break it down for you.

What is Invar 36?

Invar 36 is a nickel-iron alloy known for its low coefficient of thermal expansion. It was developed in the early 20th century by Swiss scientist Charles Edouard Guillaume, who won the Nobel Prize in Physics for his work on the alloy. Invar 36 gets its name from "invariable," as it maintains nearly constant dimensions over a wide temperature range.

What is the spec of Invar 36?

Chemical Composition.

The chemical composition of Invar 36 is as follows:

- Nickel: 36%.

- Iron: 63%.

- Manganese: 0.6%.

- Carbon: 0.1%.

- Silicon: 0.1%.

- Sulfur: 0.002%.

- Phosphorus: 0.02%.

These proportions give Invar 36 its unique properties, making it an excellent choice for applications where dimensional stability is crucial.

Physical Properties.

Invar 36 has the following physical properties:

- Density: 8.12 g/cm3.

- Melting Point: 1430°C.

- Coefficient of Thermal Expansion: 1.6 x 10-6/°C.

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- Modulus of Elasticity: 160 GPa.

- Tensile Strength: 410 MPa.

These properties make Invar 36 an ideal material for precision instruments, electronic devices, and aerospace components.

Applications of Invar 36.

Invar 36 is commonly used in the following applications:

- Precision measuring instruments.

- Thermostats.

- Laser components.

- Sealing glass-to-metal interfaces.

- Aircraft and missile components.

Its low thermal expansion and high dimensional stability make Invar 36 a versatile material for a wide range of industries.

Benefits of Invar 36.

There are several benefits to using Invar 36 in your project:

1. Dimensional Stability: Invar 36 maintains its dimensions over a wide temperature range, making it perfect for applications where precision is critical.

2. Corrosion Resistance: The alloy has good resistance to corrosion, making it suitable for harsh environments.

3. Low Thermal Expansion: Invar 36 has a low coefficient of thermal expansion, reducing the risk of cracking or warping under temperature changes.

If you're looking for a reliable supplier of Invar 36, feel free to contact us. We have a wide range of sizes and forms available, and our knowledgeable team can help you find the right solution for your needs. Don't hesitate to get in touch with us for more information on our products and services.

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