Product Name: CuNi10 (Alloy 90) (Curpothal 15, NC15) Copper-Nickel Alloy Wire for Heating Cables and Resistors Model NO.: Ohmalloy015 Standard: GB/T Color: Red Alloy: Alloy Shape: Round Material: Red Copper Application: Air Condition or Refrigerator, Water Heater, Oil Cooler Pipe Type: CuNi Density: 8.9 Resistance: 0.15 Elongation: 25 Tensile Strength: 290 MPa Yield Strength: 130 MPa Melting Point: 1100 C Operating Temperature: 250 C Trademark: Ohmalloy Transport Package: Spool Specification: D=0.03mm~8mm Origin: Shanghai HS Code: 7408290000 Product Description OhmAlloy15(Resistance heating wire and resistance wire)(Common Name:CuNi10,Curpothal 15,NC15)OhmAlloy15is a copper-nickel alloy (Cu90Ni10 alloy) with low resistivity for use at temperatures up to 250°C.Curpothal 15 is typically used for applications such as heating cables, fuses, shunts, resistors and various types of controllers.Normalcomposition%Nickel10Manganese-CopperBal.Typical Mechanical properties(1.0mm)Yield strengthTensile StrengthElongationMpaMpa%13029025Typical Physical propertiesDensity (g/cm3)8.9Electrical resistivity at 20ºC(Ωmm2/m)0.15Temperature factor of resistivity(20ºC~600ºC)X10-5/ºC <50Conductivity coefficient at 20ºC (WmK) 59EMF vs Cu(μV/ºC )(0~100ºC )-25Coefficient of thermal expansionTemperatureThermal Expansion x10-6/K20 ºC- 400ºC17.5Specific heat capacityTemperature 20ºCJ/gK0.380Melting point (ºC)1100Max continuous operating temperature in air (ºC)250Magnetic propertiesnon-magneticCorrosion resistance performanceAlloysWorking In atmosphere at 20ºCWorking at max temperature 200ºCAir and oxygen containgasesgases with Nitrogengases with sulfuroxidabilitygases with sulfurreductibilitycarburizationOhmAlloy015goodgeneralgeneralgeneralbadgoodStyle of supplyAlloys NameTypeDimensionOhmAlloy015WWireD=0.06mm~8mmOhmAlloy015RRibbonW=0.4~40T=0.05~2.9mmOhmAlloy015SStripW=8~200mmT=0.1~3.0OhmAlloy015FFoilW=6~120mmT=0.005~0.1OhmAlloy015BBarDia=8~100mmL=50~1000