China Invar Ni36 Invar Alloy Plate

4j36 Invar alloy plate FeNi36 Low Expansion Alloy
Classification : low coefficient of thermal expansion alloy
Application:
Invar is used where high dimensional stability is required, such as precision instruments, clocks, seismic creep gauges, television shadow-mask frames, valves in motorGift Box & Bag s, and antimagnetic watches. In land surveying, when first-order (high-precision) elevation leveling is to be performed, the leveling rods used are made of Invar, instead of wood, fiberglass, or other metals. Invar struts were used in some pistons to limit their thermal expansion inside their cylinders.
Chemical Composition in %, Invar
Ni
35-37%
Fe
.
C
0.05%
Si
0.3%
Mn
0,3-0,6 %
S
o 0.015%
P
0.015%
Mo
0.1%
V
0.1%
Al
0.1%
Cu
0.1%
Cr
0,15 %
Basic physical constants and mechanical properties of the alloy:
Density: γ = 8,1 g / cm3;
Electric resistivityCable Tools : ρ = 0,78 ohm mm2 ? / m;
The temperature of the Curie point: Θs = 230 ° C;Lifting Equipment
Modulus of elasticity E = 144 kN / mm2;
Linear expansion coefficient a1 (20-100 ºC) ≤1,5 * 10-6 ºC -1
Temperature Range/ºC1/10-6ºC-1Temperature Range/ºC1/10-6ºC-120~-601.820~2503.620~-401.820~3005.220~-201.620~3506.5Oscillator 20~01.620~4007.820~501.120~450Anti-Static 8.920~1001.420~5009.720~1501.920~55010.420~2002.520~60011