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Invar36 FeNi36 Precision Alloy Capillary Pipe Used in Medicine Industry

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Invar36 FeNi36 Precision Alloy Capillary Pipe Used in Medicine Industry

China Invar36 FeNi36 Precision Alloy Capillary Pipe Used in Medicine Industry supplier
Invar36 FeNi36 Precision Alloy Capillary Pipe Used in Medicine Industry supplier Invar36 FeNi36 Precision Alloy Capillary Pipe Used in Medicine Industry supplier Invar36 FeNi36 Precision Alloy Capillary Pipe Used in Medicine Industry supplier Invar36 FeNi36 Precision Alloy Capillary Pipe Used in Medicine Industry supplier Invar36 FeNi36 Precision Alloy Capillary Pipe Used in Medicine Industry supplier

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Product Details:

Place of Origin: China
Brand Name: OHMALLOY
Certification: ISO
Model Number: Ohmalloy-Kovar

Payment & Shipping Terms:

Minimum Order Quantity: 1kg
Price: 50~200USD/KG
Packaging Details: Wooden-Case
Payment Terms: T/T, L/C, Western Union
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Detailed Product Description
Material: Invar(FeNi36) Type Of Material: Precision Alloy
OD: 0.2mm~8mm ID: 0.015mm~1.0mm
Type Of Tube: Seamless

OhmAlloy-4J36 (Expansion alloy)


(Common Name: Invar, FeNi36, Invar Standard, Vacodil36)

OhmAlloy-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).

 

OhmAlloy-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.

Invar36 FeNi36 Precision Alloy Capillary Pipe Used in Medicine Industry

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

 

 

 

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

 

Coefficient of expansion

θ/℃

α1/10-6-1

θ/℃

α1/10-6-1

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

11.0

 

Typical Mechanical properties

Tensile Strength

Elongation

Mpa

%

641

14

689

9

731

8

 

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

 

The heat treatment process

Annealing for stress relief

Heated to 530~550℃ and hold 1~2 h. Cold down

annealing

In order to eliminate hardening, which be bring out in cold-rolled, cold drawing process. Annealing needs heated to 830~880℃ in vacuum,hold 30 min.

The stabilization process

  • In protective media and heated to 830 ℃, hold 20min. ~ 1h, quench

  • Due to the stress generated by quenching, heated to 315℃,hold 1~4h.

Precautions

  • Can not be hardened by heat treatment

  • Surface treatment can be sandblasting, polishing or pickling.

  • Alloy can be used 25% hydrochloric acid pickling solution at 70 ℃ to clear oxidized surface

Invar36 FeNi36 Precision Alloy Capillary Pipe Used in Medicine Industry

Sales Manager:Michaeal Qiu.

What's App:+86 13795230939

Tel:+86-21-66796338 Mobile Phone: +86 13795230939

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Ohmalloy Material Co.,Ltd

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