... in performance, 2)allowing high surface. 3) High quality. Heating Resistance Wire: OCr21Al4,OCr21Al6,OCr25Al5,OCr23Al5,1Cr13Al4,OCr21Al6Nb,Cr15Ni60,Cr20Ni80,Cr30Ni70,Cr20Ni30 ... ), Nickel-Chrome Alloys (Nichrome alloys), Copper Nickel Alloys (Constantan Alloys) In the form of wire, ribbon/strip:Round Wire: Dia 0.04mm-8 ...