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Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape

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Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape

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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Precision Alloy Nickel Iron Steel Invar 36 Nickel Bar Rod

1 . Description

36 alloy is a special ultra-low coefficient of heat expansion of low-iron-nickel alloy. One of carbon and manganese element of control is very important. Cold deformation can reduce the coefficient of thermal expansion, in particular within the framework of the heat treatment temperature coefficient of thermal expansion will enable stabilization. Has the following characteristics:

1.Has very low coefficient of heat expansion between the temperature of -250°C and 200°C.

2.Good toughness and plastic

Metallurgical structure

Invar 36 is the face centered cubic lattice structure

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 . Heat treatment process

Stress relief annealing	Heat to 530~550℃, keep for 1~2 h. Cool in the furnace
annealing	Heating to 830~880℃ ,keep holding for 30 min. Furnace cooling
Stabilization	(1) Heat to 830 ℃ in a protective atmosphere, hold for 20min. ~ 1h, quench (2)Temper
Precautions	(1) The alloy cannot be hardened by heat treatment
Precautions	(2)Surface treatment can be sandblasted, polished and pickled

5 . Pictures

Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape

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Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape

Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape

Precision Invar 36 Rod

Precision Invar 36 Alloy

Precision Invar 36 Bar

Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape Images