Alloy 4J32 is a low-expansion iron-nickel-cobalt alloy also known as Invar alloy. It consists of about 36% nickel, 63.8% iron and 02% cobalt. Invar alloys are widely used due to their low coefficient of thermal expansion. Its coefficient of thermal expansion is very close to zero, so when the temperature changes, it changes very little in size. This makes Invar alloys very useful in applications that require precise dimensional control, such as precision instruments, optical devices, and astronomical instruments. In addition, Invar alloy also has good corrosion resistance and mechanical properties, making it a commonly used engineering material.
4j32Corresponding grades4J332, NI32CO4CU (China), UNS K93500, Super-INVAR, Super INVAR32-5, Super-NILVAR (USA), Miraloy (UK), SI (Japan), INVAR, Superieur, ASO A (France, H, 32H-B, 32HK (Russia), FENI32CO20 (International ISO).
4j32Technical Standards:yb/t 5241-2014，astm f1684
4j32Form of supply:Bars, plates, strips, wires, pipes, forgings, etc.
4J32 alloy is also known as super-invar alloy. In the temperature range of 60 80, its expansion coefficient is lower than that of 4J36 alloy, but its low-temperature microstructure stability is worse than that of 4J36 alloy. The alloy is mainly used in the manufacture of instrument parts that require a high degree of dimensional precision within the ambient temperature range.
4J32 superalloy has a wide range of applications in the field of high temperature. Due to its excellent high-temperature performance, it is used in a variety of applications in high-temperature environments, including the following:
Aerospace field: 4J32 superalloy is often used in the manufacture of combustion chambers and jet pipes and other components of aero engines. It is able to maintain its structural stability and mechanical properties under high temperature and high pressure conditions, while having good corrosion resistance.
Energy: 4J32 superalloy is used in the manufacture of key components such as combustion chambers, turbine blades and heat exchangers for gas turbines. It is able to withstand drastic changes under high temperature and high pressure conditions and maintain its stability and longevity.
Chemical industry: 4J32 superalloy is also widely used in high-temperature reactors, steam pipelines and catalysts in the chemical industry. It is able to maintain its performance and stability in high-temperature and corrosive gas or liquid environments.
In general, 4J32 superalloy plays an important role in applications that need to withstand high temperatures, high pressures and corrosive environments, and it can maintain its structural stability, mechanical properties and corrosion resistance, so it is widely used in aerospace, energy and chemical industries.
The composition of 4J32 alloy is about 36% nickel, 638% iron and 02% cobalt. Here are some of the physical properties of alloy 4J32::
Density: The density of 4J32 alloy is about 811 grams cubic centimeter, so it has a higher density.
Coefficient of Thermal Expansion: Alloy 4J32 has a very low coefficient of thermal expansion, about 13 x 10^-6/℃。This makes it very small in size change when the temperature changes.
Melting Point: The melting point of 4J32 alloy is about 1420-1440 degrees Celsius.
Strength and hardness: 4J32 alloy has high strength and hardness, which can maintain its mechanical properties at high temperatures.
Magnetism: Alloy 4J32 is an alloy that has ferromagnetism, that is, it is magnetic.
Corrosion resistance: 4J32 alloy has good corrosion resistance and can be used in some corrosive environments.
It should be noted that these physical properties are the general properties of 4J32 alloy, and the specific physical properties may vary depending on the preparation process and application conditions.