Constantan Wire for Sampling Resistor

• Material: Copper Wire
• Cross Sectional Shape: Round
• Application: Resistor
• Type: Steel Coil
• Wide in Width: N/A
• Surface Treatment: N/A
• Model NO.: Constantan
• Metal Wire Drawing: Cold Drawing
• Status: Soft State
• Thickness: Metal Filament
• use: resistor
• features: Low temperature coefficient of resistance
• density: 8.88
• shape: round/flat wire/ ribbon
• standard: JIS/DIN/ASTM
• colour: silver
• appearance: smooth, bright, shiny
• content: copper nickel
• shipping method: by air/sea, by express
• resistivity: 0.5
• Transport Package: Spool, Carton, Wooden Case
• Specification: RoHs, ISO 9001: 2008
• Trademark: TANKII
• Origin: China
• HS Code: 7408229000
• Production Capacity: 30 Tons/Month

Product Description

Constantan Wire for Sampling Resistor

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 grades 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

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

Properties/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
Properties/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