Constantan Wire for Sampling Resistor

Model NO.: Constantan Cross Sectional Shape: Round Type: Steel Coil use: resistor density: 8.88 Transport Package: Spool, Carton, Wooden Case Origin: China Material: Copper Wire Application: Resistor Metal Wire Drawing: Cold Drawing features: Low temperature coefficient of resistance Trademark: TANKII Specification: RoHs, ISO 9001: 2008 HS Code: 7408229000 Constantan Wire for  Sampling Resistor is a copper-nickel alloy usually consisting of 55% Copper and 45% Nickel. Its main feature is its resistance which is constant over a wide range of temperatures. It is also called Alloy 294, Nico, MWS-294, Cupron, Copel, Alloy 45, Neutrology, Advance, CuNi 44, CuNi 44, CN49.

Other grade of copper nickel alloy are as follows:

CN5, CuNi2

A60, Alloy 60, 60 Alloy, MWS-60, Lohm, HAI-60, CuNi 6, Alloy 260, Nickel Alloy 60, CN10

CuNi10, CN15

A30, Alloy 30, CuNi23, 30 Alloy, MWS-30, HAI-30, Alloy 230, Nickel Alloy 30, CN 30

CuNi1, CuNi15, CuNi30

Shanghai Tankii Alloy Material Co., Ltd. Is the most professional producer of constantan, Copper Nickel Alloys in wire, strip and rod.

If there is any question or requirement, pls be free to contact with us.

Priperties/Grade		CuNi1	CuNi2	CuNi6	CuNi8	CuNi10
Max Continuous Service Temperature(º C)		200	200	200	250	250
Resisivity at 20º C  (Ω mm2/m)		0.03	0.05	0.1	0.12	0.15
Density(g/cm 3 )		8.9	8.9	8.9	8.9	8.9
Thermal Conductivity(α × 10 -6 /º C)		< 100	< 120	< 60	< 57	< 50
Tensile Strength(Mpa)		210	220	250	270	290
EMF vs Cu(μ V/º C)(0~1000º C)		-8	-12	-12	-22	-25
Approximate Melting Point( º C)		1085	1090	1095	1097	1100
Priperties/Grade		CuNi14	CuNi19	CuNi23	CuNi30	CuNi44
Max Continuous Service Temperature(º C)		300	300	300	350	400
Resisivity at 20º C  (Ω mm2/m)		0.2	0.25	0.3	0.35	0.5
Density(g/cm 3 )		8.9	8.9	8.9	8.9	8.9
Thermal Conductivity(α × 10 -6 /º C)		< 30	< 25	< 16	< 10	< -6
Tensile Strength(Mpa)		310	340	350	400	420
EMF vs Cu(μ V/º C)(0~1000º C)		-28	-32	-34	-37	-43
Approximate Melting Point( º C)		1115	1135	1150	1170	1200

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