4J36 £¨Invar36£©
Invar Alloy (also known as Invar Steel)
Similar Grades
GB/T | UNS | AISI/ASTM | W.Nr |
4J36 | K93600 | Invar36 | 1.3912 |
Chemical Composition of 4J36:
Grade | % | Ni | Fe | C | Mn | Si | P | S |
4J36 | min | 35 | Balance | 0.2 | ||||
max | 37 | 0.05 | 0.6 | 0.3 | 0.02 | 0.02 |
Physical Properties of 4J36:
Density | 8.1 g/cm? |
Melting Point | 1430¡æ |
Minimum Values of Mechanical Properties of Invar 36 Alloy at Room Temperature:
Alloy Grade | Tensile Strength Rm (N/mm?£© | Yield Strength Rp0.2 (N/mm?) | Elongation A5 (%) | Brinell Hardness (HB) |
Invar 36 | 490 | 240 | 42 | ¡Ü200 |
Average Linear Expansion Coefficient (10??/¡æ)
20~100¡æ | 20~300¡æ | 20~400¡æ | 20~450¡æ | 20~500¡æ | 20~530¡æ | 20~600¡æ |
¡ª¡ª | ¡Ü1.5 | ¡ª¡ª | ¡ª¡ª | ¡ª¡ª | ¡ª¡ª | ¡ª¡ª |
Main Characteristics
The low-expansion alloy 4J36 exhibits a low coefficient of expansion and excellent plasticity within the ambient temperature range of -60¡æ to 80¡æ.
Application Fields
It is used for manufacturing components with nearly constant dimensions under temperature variations. Widely applied in radio, precision meters, instruments and other industries, it serves as standard measuring tools, microwave resonant cavities, bimetallic flexible layers, etc.