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Low Expansion Ferro Nickel Alloy Invar 36 Bar Round Rods FeNi36 /4J36

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Low Expansion Ferro Nickel Alloy Invar 36 Bar Round Rods FeNi36 /4J36

Brand Name : BLM

Model Number : BLM-S

Certification : ISO

Place of Origin : Jiangsu,China

MOQ : 100kgs

Price : Negtation

Payment Terms : T/T

Supply Ability : 5 tons per month

Delivery Time : 25days

Packaging Details : Packing with wooden box

Place of origin : Jiangsu,China

Type : invar 36

Application : Electric industry

Material : 4J36

Size : Standard or according to customers' drawings

Surface : Bright

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High Quality Low Expansion Ferro Nickel Alloy FeNi36 /4J36 Round Rods Invar 36 Bar

1 . Description

4J36 (Invar), also known generically as FeNi36 (64FeNi in the US), is a nickel–iron alloy notable for its uniquely low coefficient of thermal expansion (CTE or α).

4J36 (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 Level staff (leveling rod) used is 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.

2 . Normal composition%

Ni	35~37.0	Fe	Bal.	Co	-	Si	≤0.3
Mo	-	Cu	-	Cr	-	Mn	0.2~0.6
C	≤0.05	P	≤0.02	S	≤0.02

3 . Typical Physical properties

Density (g/cm3)	8.1
Electrical resistivity at 20℃(Ωmm2/m)	0.78
Temperature factor of resistivity(20℃~200℃)X10-6/℃	3.7~3.9
Thermal conductivity, λ/ W/(m*℃)	11
Curie point Tc/ ℃	230
Elastic Modulus, E/ Gpa	144

4 . Temperature factor of resistivity

Temperature range, ℃	20~50	20~100	20~200	20~300	20~400
aR/ 103 *℃	1.8	1.7	1.4	1.2	1.0

5 . Pictures

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Low Expansion Ferro Nickel Alloy Invar 36 Bar Round Rods FeNi36 /4J36 Images

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Low Expansion Ferro Nickel Alloy Invar 36 Bar Round Rods FeNi36 /4J36

Low Expansion Ferro Nickel Alloy Invar 36 Bar Round Rods FeNi36 /4J36

Low Expansion Invar 36 Bar

Ferro Nickel Alloy Invar 36 Bar

Round Rods Invar 36 Material

Low Expansion Ferro Nickel Alloy Invar 36 Bar Round Rods FeNi36 /4J36 Images