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CuNi44 CuNi Alloy Cupronickel Strip for Thermal and Electrical Dynamics1
Copper Alloy, CuNi44, Cupronickel Strip
Huona (Shanghai) New Material Co., Ltd.
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Product Description CuNi44 CuNi Alloy Cupronickel Strip for thermal and electrical dynamicsProduct DescriptionConstantan DefinitionResistance alloy 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 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, %NiMnFeSiCuOtherROHS DirectiveCdPbHgCr441.50%0.5-Bal-NDNDNDNDMechanical PropertiesMax Continuous Service Temp400oCResisivity at 20oC0.49±5%ohm mm2/mDensity8.9 g/cm3Thermal Conductivity-6(Max)Melting Point1280oCTensile Strength,N/mm2 Annealed,Soft340~535 MpaTensile Strength,N/mm3 Cold Rolled680~1070 MpaElongation(anneal)25%(Min)Elongation(cold rolled)≥Min)2%(Min)EMF vs Cu, μV/oC (0~100oC)-43Micrographic StructureausteniteMagnetic PropertyNonConstantan Tradenames:Cuprothal, Alloy 294, Cuprothal 294, Nico, MWS-294, Cupron, Copel, Alloy 45,Neutrology, Advance, CuNi 102, Cu-Ni 44, Konstantan Resistance Alloy- Constantan Sizes / Temper Capabilities ConditionBright;Annealed; Soft Wirediameter 0.02mm-1.0mm packing in spoolbig than 1.0mm packing in coilRodBar diameter 1mm-30mmStripThickness 0.01mm-7mmWidth 1mm-280mmResistance alloy constantan wire material: Constantan, CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi40 (6J40), CuNi44. CharacteristicsConstantan has a number of special characteristics due to which it is known as the most versatile alloy that is available. Some of its important characteristics are:High specific heat resistanceNegligible temperature CoefficientEasily ductileResistant to atmospheric corrosionCan be easily soldered and molded
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