Invar/ Vacodil36/ Feni36 Wire for Sealing Glass

Model NO.: TANKII 436 Material: Feni Condition: Soft Diameter: 0.1-7mm Trademark: TANKII- 436 Origin: China Product Type: Wire Carbon Content: Low Carbon Surface: Bright MOQ: 30 Kgs Specification: RoHs HS Code: 750620000 Grade : Invar/ Vacodil36/ FeNi36

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 "Shanghai Tankii Alloy 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.

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