... AChemical Composition: Cr 20-23% Ni rest Fe≤1.0Max. continuous service temp. of element(°C) ... :1200degrees Resistivity at 20ºC(μΩ·m):1.09 ohm mm2/mNiCr series: Cr20Ni80,Cr30Ni70,Cr20Ni35 ... , Cronix 80, Protoloy, Nikrothal 8, Alloy A, MWS-650, Stablohm 650, NCHW1 Nikrothal 70, Chromel 70/ ... , Nichrome, Alloy C, Nikrothal 6, MWS-675, Stablohm 675, NCHW2. NCHW-1 Wire/Strip-High heating resistance alloy