• Nilvar Low Expansion Alloy Rod
  • Nilvar Low Expansion Alloy Rod
  • Nilvar Low Expansion Alloy Rod
  • Nilvar Low Expansion Alloy Rod
  • Nilvar Low Expansion Alloy Rod

Nilvar Low Expansion Alloy Rod

Classification: Feni36
Density: 8.1
Resisivity: 0.78
Curie Point: 230
State: Soft
Brand: Vacodil36
Customization:

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Basic Info.

Model NO.
Nilvar
Chemical Composition
Feni36
Transport Package
Export Packing
Specification
Can discuss
Trademark
HUONA
Origin
Shanghai
HS Code
72269990
Production Capacity
200 Ton/Month

Product Description

Nilvar Low Expansion Alloy Rod

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 motors, 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 resistivity: ρ = 0,78 ohm mm2 ? / m;
The temperature of the Curie point: Θs = 230 ° C;
Modulus of elasticity E = 144 kN / mm2;
Linear expansion coefficient a1 (20-100 ºC) ≤1,5 * 10-6 ºC -1
 
 
Temperature Range/ºC 1/10-6ºC-1 Temperature Range/ºC 1/10-6ºC-1
20~-60 1.8 20~250 3.6
20~-40 1.8 20~300 5.2
20~-20 1.6 20~350 6.5
20~0 1.6 20~400 7.8
20~50 1.1 20~450 8.9
20~100 1.4 20~500 9.7
20~150 1.9 20~550 10.4
20~200 2.5 20~600 11

All offered "Huona(Shanghai) New Material Co., Ltd" of rolled metal products Invar differs guaranteed high quality. Customers can buy Invar alloy for the production of different types of products and rely on the high-speed supply of rolled metal.
Nilvar Low Expansion Alloy Rod
 

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