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FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
Specifications
Brand Name :
TANKII
Model Number :
Invar 36
Certification :
ISO9001 SGS
Place of Origin :
Shanghai, China
MOQ :
20KG
Price :
negotiable
Payment Terms :
L/C, T/T, Western Union
Supply Ability :
100 Tons per month
Delivery Time :
7-20 days
Packaging Details :
Spool + Carton + Wooned Case
Model NO. :
invar 36 wire
Material :
Fe- Ni Alloy
Surface :
Smooth and Bright
Condition :
Soft, 1/2h. Hard
Diameter :
0.02- 5.0mm
Sample :
Free
HS Code :
75125000
Density (g/cm3) :
8.1
Description

FeNi Nickel Iron alloy precision 0.5mm Invar 36 Wire for Sealing Precision Instrument

INVAR 36 is a nickel-iron, low expansion alloy containing 36% nickel. It maintains nearly constant Dimensions Over the range of normal atmospheric temperatures, and has a low coefficient of expansion from cryogenic temperatures to about 500° F. The alloy also retains good strength and toughness at cryogenic temperatures.

INVAR 36 can be hot and cold formed and machined using processes similar to

austenitic stainless steels. INVAR 36 is weldable using Filler Metal CF36 which is

available in bare wire for both the GTAW and GMAW process.

Chemical composition

composition % Fe Ni Mn C P S SI
content min Bal 35.0 0.2
max 37.0 0.6 0.05 0.02 0.02 0.3

physical properties

Density (g/cm3) 8.1
Electrical resistivity at 20ºC(mm2/m) 0.78
Temperature factor of resistivity(20ºC~200ºC)X10-6/ºC 3.7~3.9
Thermal conductivity, λ/ W/(m*ºC) 11
Curie point Tc/ ºC 230
Elastic Modulus, E/ Gpa 144
Melting point ºC 1430

Coefficient of expansion

θ/ºC α1/10-6ºC-1 θ/ºC α1/10-6ºC-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 11.0


Typical Mechanical properties

Tensile Strength Elongation
Mpa %
641 14
689 9
731 8


Temperature factor of Resistivity

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

The heat treatment process
Annealing for stress relief Heated to 530~550ºC 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 830~880ºC in vacuum,hold 30 min.
The stabilization process
In protective media and heated to 830 ºC, hold 20min. ~ 1h, quench
Due to the stress generated by quenching, heated to 315ºC,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 ºC to clear oxidized surface

FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument

Product tags

metal thickness gage

,

1mm gauge in steel

,

welding fillet gauge set
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FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument

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Product Detail
Brand Name :
TANKII
Model Number :
Invar 36
Certification :
ISO9001 SGS
Place of Origin :
Shanghai, China
MOQ :
20KG
Price :
negotiable
Contact Supplier
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument
FeNi Nickel Iron Alloy Precision 0.5mm Invar 36 Wire For Sealing Precision Instrument

Shanghai Tankii Alloy Material Co.,Ltd

Verified Supplier
11 Years
shanghai, shanghai
Since 1981
Business Type :
Manufacturer, Exporter
Main Products :
Copper Nickel Alloy Wire, Electric Resistance Wire, Thermocouple Bare Wire
Total Annual :
8000000-100000000
Employee Number :
90~100
Certification Level :
Verified Supplier
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