Invar 36 alloy steel

Invar 36 Is a low coefficient of expansion of special low expansion iron nickel alloy. The control of carbon and manganese is very important. Cold deformation can reduce thermal expansion coefficient,Alloy 36 is used for measuring devices, laser components, thermostat rods, and transporting liquefied gases . At room temperature drying Invar 36 has corrosion resistance in the air. In other conditions, such as moisture in the air, Invar 36 is likely to occur corrosion.
Invar 36 Nickel alloy similar material are:UNS K93600,W. Nr.1.3912
Invar 36 Application field are:
Invar 36 applications that require a very low coefficient of expansion of the environment.
LPG production, storage and transportation
Operating temperature is lower than + 200 ℃ following measurement and control instruments, such as thermostats
Metal screw connection between the bushing and other materials
Bimetal and bimetal thermostat
Film frame
CRP components of the aviation industry tempered mold
Satellite and missile electronic control unit frame of less than -200 ℃
Laser control means electromagnetic lens auxiliary tube

Invar 36 alloy steel
Invar 36 alloy steel chemical composition:

Alloy % Ni Cr Fe C Mn Si Co Mo P S
Invar 36 Min 35 balance
Max 38 0.5 0.1 0.06 0.35 1.0 0.5 0.02 0.025

Density: rho = 8.1 g/cm3
2. Range of melting temperature: 1430 ℃
3. Curie temperature: 230 ℃
4. Specific heat: 515 j/Kg

Invar 36 alloy steel Mechanical Property:

Grade Yield strength
Rm N/mm2
tensile strength
A5 %
Invar 36 490 240 42 ≤200


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