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Basic Info.Model NO.:CuNi45Product Type:Flat WireMaterial:Cu,NiCarbon Content:Low CarbonPackage:in Coil, Carton, Wooden CaseSpecification:RoHS, SGSTrademark:UalloyOrigin:Zhejiang, ChinaCondition:Bright,Melting Point(Oc):1220Density (g/cm3):8.8Tensile Strength (MPa):>390Elongation Rate (%):>25Volume Resistivity:49.0(20oc)Chemical Composition:Cu, NiCetification:ISO9001Products and Services:Small Order Accepted; Fast DeliveryPacking Detail:Coil (Plastic Spool) Compressed Ply-Wooden CaseHS Code:74082290Production Capacity:500tons/YearProduct Description 1. Description Constantan is a copper-nickel alloy usually consisting of 55% copper and 45% nickel. Also known as Eureka, Advance and Ferry. Its main feature is its resistivity which is constant over a wide range of temperatures. Other alloys with similarly low temperature coefficients are known, such as manganin (Cu86Mn12Ni2). Its resistivity is high enough to achieve suitable resistance values in even very small grids, and its temperature coefficient of resistance is not excessive. In addition, constantan is characterized by good fatigue life and relatively high elongation capability. Chemical Content(%) GradeMain Chemical composition (%)CuNi45NiMnCuFeSi4555 2. Properties GradeMelting Point(
CuNi45 alloy wire for thermocouple