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Tankii Constantan resistance alloy Wire /CuNi40 /6J40 Electric Heating Wire

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Tankii Constantan resistance alloy Wire /CuNi40 /6J40 Electric Heating Wire

Brand Name : TANKII

Model Number : CUNI40

Certification : ISO9001

Place of Origin : Shanghai, China

MOQ : 10 KG

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. : CuNi40

Size : 0.05-10mm

Density : 8.9g/cm3

OEM : YES

standard : GB/ASTM/JIS/BIS/DIN

surface : Bright

Resisivity : 0.48

Trademark : TANKII ALLOY

HS Code : 7408229000

Production Capacity : 2000 Tons/Year

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Product Description
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 400ºC
Resisivity at 20ºC 0.49±5%ohm mm2/m
Density 8.9 g/cm3
Thermal Conductivity -6(Max)
Melting Point 1280ºC
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/ºC (0~100ºC) -43
Micrographic Structure austenite
Magnetic Property

Non

Type of insulation

Insulation-enamelled Name Thermal LevelºC
(working time 2000h)		 Code Name ANSI. TYPE
Polyurethane enamelled wire 130 UEW MW75C
Polyester enamelled wire 155 PEW MW5C
Polyester-imide enamelled wire 180 EIW MW30C
Polyester-imide and polyamide-imide double coated enameled wire 200 EIWH
(DFWF)		 MW35C
Polyamide-imide enamelled wire 220 AIW MW81C

Type of bare alloy wire

Copper-nickel alloy wire, Constantan Wire,CuNi1~CuNi44 etc.
Ni-Cr Alloy wire NiCr35/20,NiCr70/30,NiCr60/15,NiCr80/20,NiCr90/10,NiCr AA,Karma. etc.
Fe-Cr-Al Alloy wire Cr13Al4,Cr21Al4,Cr21Al6,Cr23Al5,Cr25Al5,
Cr21Al6Nb,Cr27Al7Mo2, etc.
Cu-Ni-Mn Alloy wire CuMn12Ni2,CuMn12Ni4,Manganin etc.
Stainless steel Wire 304,316
Silver Purity 9.99%
golden Wire
Any copper alloy and nickel alloy is available
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


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