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Invar42 Iron Nickel Superalloy Forgings

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Alloy42 iron nickel constant expansion alloy is a metal alloy composed of iron, nickel, and a small amount of other elements. Its name Alloy42 comes from its composition: approximately 42% nickel and 58% iron. Thiss alloy has good thermal expansion and is widely used in industries, electronics, precision instrument manufacturing, and other fields. The following is a comprehensive introduction to Alloy42, along with its specific data and advantageous performance.

Chemical composition of Invar42 alloy

C (%): 0.20 ~ 0.25

Si (%): ≤ 0.50

Mn (%):0.50 ~ 1.00

P (%)≤:0.025

S (%)≤:0.015

Cr (%): 11.0 ~ 12.5

Ni (%): 0.50 ~ 1.00

Mo (%):0.90 ~ 1.25

W(%):0.90 ~ 1.25

V (%):0.20 ~ 0.30

Cu (%):0.50 max.

Physical Property Data of Invar42 alloy

Alloy42 iron nickel constant expansion alloy has the following physical properties:

1. Density: 8.1 g/cm ³

2. Melting point: approximately 1450 ° C

3. Linear expansion coefficient: 6.0 × 10 ^ -6/° C

Mechanical performance of Invar42 alloy

Alloy42 iron-nickel constant expansion alloy has the following mechanical properties:

1. Tensile strength: 420 MPa

2. Yield strength: 180 MPa

3. Elongation rate: 40%

4. Hardness: HB ≤ 200

Advantage performance and application of Invar42 alloy forgings

Alloy42 iron-nickel constant expansion alloy has the following advantageous properties:

1. Low coefficient of thermal expansion: Due to its high nickel content and low coefficient of thermal expansion, it is an excellent dimensional stability material.

2. Good corrosion resistance: Metals such as iron and nickel have good corrosion resistance in most environments, so Alloy42 has high corrosion resistance and can be used in harsh environments.

3. Good processing performance: Alloy42 iron nickel constant expansion alloy still has good plasticity and deformability at high temperatures, making it easy to process and has good processing performance.

4. High temperature stability: Due to the high nickel content in the alloy, dimensional stability can be maintained at various temperatures.

Therefore, Alloy42 iron-nickel constant expansion alloy has extensive applications in fields such as electronic components, aerospace, instrumentation, automotive manufacturing, and heat treatment industry. For example, in semiconductors, Alloy42 can be used as a circular substrate, while in precision instruments, it can be used to produce various precision instrument components. In automotive manufacturing, it can be used for components such as automotive valves, engine components, and half shafts. At the same time, Alloy42 is often used in various high-temperature applications due to the oxidation resistance and copper oxide effect of materials such as iron and nickel.

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