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Constant CuNi40 Resistance Alloy Wire/Constantan

Name: Constant CuNi40 Resistance Alloy Wire/Constantan
Brand: Shanghai Tankii Alloy Material Co.,Ltd
SKU: CuNi40
Price: 31.00 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: Tankii

Certification: ISO9001

Model Number: CuNi40

Payment & Shipping Terms

Minimum Order Quantity: 5kg

Price: 25-37USD/KG

Packaging Details: case

Delivery Time: 10-15days

Payment Terms: T/T

Supply Ability: 1000kg/month

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Specifications

Description

Specifications

Highlight:

Serves:	Small Oreder Accepted	Sample Free:	Available
Sample:	Free	Standard:	GB/ASTM/JIS/BIS/DIN
Product Type:	Wire	Carbon Content:	None

Serves:	Small Oreder Accepted
Sample Free:	Available
Sample:	Free
Standard:	GB/ASTM/JIS/BIS/DIN
Product Type:	Wire
Carbon Content:	None

Description

Constant CuNi40 Resistance Alloy Wire/Constantan

Constant CuNi40 Resistance Alloy Wire/Constantan

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

Constant CuNi40 Resistance Alloy Wire/Constantan

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