Model No.: UNS K94100 / W.Nr.1.3917 / 4J42 / Invar 42
Brand: HDF
Packaging: standard export packing
Productivity: 20 metric tons per month
Transportation: Ocean,Land,Air,Express
Place of Origin: China
Supply Ability: 20 metric tons per month
Certificate: ISO9001
Port: SHANGHAI
Payment Type: L/C
Incoterm: FOB
4J42 alloy, also known as Invar 42 alloy or Nilo 42, is a high-performance nickel-based Precision Alloy. It is composed of iron, nickel, cobalt, copper and other elements, with unique physical properties and a wide range of applications. 4J42 alloy has a very low thermal expansion coefficient within a specific temperature range, which means that its size changes very little when the temperature changes, thus ensuring the accuracy and stability of the device.
FEATURE
1. Low coefficient of expansion: 4J42 alloy has a very low coefficient of thermal expansion within a specific temperature range, which means that its size changes very little when the temperature changes, thus ensuring the accuracy and stability of the device. This feature makes it widely used in electronics, aerospace and other fields.
2. Good mechanical properties: The alloy exhibits high tensile strength and yield strength, as well as good elongation and hardness. This allows it to withstand high mechanical loads without deformation or breakage. In the fields of aerospace, automotive industry, etc., this high strength property ensures the stability and safety of parts under complex working conditions.
3. Excellent corrosion resistance: 4J42 alloy is resistant to a variety of corrosive media and is suitable for use in harsh environments. This feature extends the service life of the equipment and makes it widely used in the fields of chemical industry, power, etc.
4. Stable physical properties: Physical properties including thermal conductivity, resistivity and specific heat capacity remain stable at high temperatures, ensuring the performance consistency of the alloy under different working environments.
CHEMICAL COMPONENT
| Element | C | P | S | Mn | Si | Al | Co | Ni | Fe |
| % | ≤0.05 | ≤0.02 | ≤0.02 | ≤0.80 | ≤0.30 | ≤0.10 | ≤1.0 | 41.5-42.5 | Bal |
PHYSICAL & MECHANICAL PROPERTIES
| Density | Melting | Tensile strength | Yield strength |
| 8.14 g/cm³ | 1427-1450°C | 450 MPa | 550 MPa |
APPLICATION AREA
1. Electronics industry: used to manufacture components such as transistor sockets, integrated circuit packaging and electron tubes. Its low thermal expansion coefficient and excellent conductivity ensure the stability and reliability of electronic components.
2. Aerospace: used to manufacture precision instruments, sensor housings and missile components. These components need to withstand temperature and pressure changes in extreme environments, and the high strength and low expansion coefficient of 4J42 alloy make it an ideal choice.
3. Instruments: used to manufacture precision measuring instruments, clock components and various control devices. Its high precision and stability meet the strict requirements of instruments for accuracy.
4. High temperature environment: In the fields of electricity, metallurgy, etc., 4J42 alloy is used to manufacture parts such as springs and wires at high temperatures, as well as parts of equipment such as high-temperature furnaces and continuous casting machines. Its excellent high temperature resistance and stability improve the operating efficiency and reliability of equipment. 5. Chemical industry: Due to its corrosion resistance to a variety of chemical media, the alloy is also used to manufacture chemical equipment, reactors and pipelines.
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