Hangzhou Ualloy Material Co.,Ltd
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CuNi44 Constantan Wire 0.05mm-6.0mm

Constantan Wire, Nickel Chromium Alloys, Fecral Alloy manufacturer / supplier in China, offering CuNi44 Constantan Wire 0.05mm-6.0mm, Bright Kovar 4j29 Strip for Stamping IC Framework, Kovar Expansion Precision Alloy Ni29Co18 Uns K94610 (4J29) and so on.

Basic Info.

Model NO.:Constantan

Product Type:Wire

Material:CuNi Alloy Wire

Carbon Content:None

PCD:None

ET:None

Hole:None

Package:Coil Cartons, Pallet, Spools, Coils

Specification:ROHS, SGS

Trademark:UALLOY

Origin:China

Serves:Small Oreder Accepted

Sample Free:Available

Production Capacity:200 Tons/Year


Constantan Eureca  Wire / Flat Wire


Constantan Wire with moderate resistivity and low temperature coefficent of resistance with a flat resistance/temperature curve over a wider range than the "manganins". Constantan also shows better corrosion resistance than the man ganins. Uses tend to be restricted to ac circuits.

Constantan wire is also the negative element of the type J thermocouple with Iron being the positive; type J thermocouples are used in heat treating applications. Also, it is the negative element of the type T thermocouple with OFHC Copper the positive; type T thermocouples are used at cryogenic temperatures.


Chemical Content, %

Ni

Mn

Fe

Si

Cu

Other

ROHS Directive




Cd

Pb

Hg

Cr







44

1.50%

0.5

-

Bal

-

ND

ND

ND

ND

Mechanical Properties

Max Continuous Service Temp

400℃

Resisivity at 20℃

0.49±5%ohm mm2/m

Density

8.9 g/cm3

Thermal Conductivity

-6(Max)

Melting Point

1280℃

Tensile Strength,N/mm2   Annealed,Soft

340~535 Mpa

Tensile Strength,N/mm3   Cold Rolled

680~1070 Mpa

Elongation(anneal)

25%(Min)

Elongation(cold rolled)

≥Min)2%(Min)

EMF vs Cu, μV/℃ (0~100℃)

-43

Micrographic Structure

austenite

Magnetic Property

Non

Resistance Alloy- Constantan Strip Sizes / Temper Capabilities

Condition: Bright, Annealed, Soft 

Wire diameter 0.02mm-1.0mm packing in spool, big than 1.0mm packing in coil

Rod, Bar diameter 1mm-30mm 

Strip: Thickness 0.008mm-7mm, Width 1mm-280mm 


Packaging & Shipping

Our Services

a) We can provide high quality material, excellent design, precise manufacturing,complete specifications, considerate and integrity serivices.

b)  We can provide all kinds of electric heating alloy material and elements, including customized products.

c)  We can provide a complete solution for you.

d)  OEM service can be provided.

e)  Product selection

f)  Process optimization

g)  New product development


Company Information

Hangzhou Ualloy Material Co.,Ltd. is specialized in production of Ni-Cr Alloy, Cu-Ni Alloy, Fecral, thermocouple wire, pure nickel and other precision alloy materials in the form of wire, strip, rod, bar and plate.

We've already got ISO9001 quality system certification and ISO14001 environmental protection system.
We own a complete set of advanced production flow of refining, cold reduction, drawing and heat treating etc. We also proudly have independent R&D capacity.



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