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Constantan 6J44

CuNi44 resistance material is an alloy material, composed of copper and nickel. It is characterized by high resistance and a fairly small temperature coefficient of resistance. It has good electrical resistance, high tensile strength and corrosion resistance, and can be used at temperatures up to 400°C (750 °F).

Classification:

Copper-nickel alloy

Keyword: Constantan 6J44

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1. chemical composition

Main chemical components %	Copper (Cu)	Allowance
	Nickel (Ni)	44%
	Manganese (Mn)	1%

Main technical data of 2. copper-nickel resistance alloy

Name	Resistivity	Resistance temperature Coefficient X10^-5/°C	Melting Point	Specific Gravity g/cm³	specific heat j/gk (20°C)	conductivity coefficient w/mk 20℃	thermoelectric potential for copper 0-100 ℃
CuNi44	0.49	<-6	1280	8.9	0.41	23	-43

3. varieties and specifications

Variety		Specifications
Wire	round wire	F0.15 ~ 13.00mm
Strip	cold rolling	0.15 to 4 × 200mm
Strip	hot rolling	4 to 22 × 200mm
Non-standard can support customization

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Constantan 6J44