The good performance of nickel wire has greatly improved the field of nickel wire application. Nickel wire is mainly used in chemcial,electronics,fishery and other fields. GRADE AND MAIN CHEMICAL COMPOSITION(%) Grade Ni+Co Cu Si Mn C Mg S P Fe N4 99.9 0.015 0.03 0.002 0.01 0.01 0.001 0.001 0.04 N6 99.6 0.10 0.10 0.05 0.10 0.10 0.005 0.002 0.10 Ni201 99.0 ≤0.25 ≤0.35 ≤0.35 ≤0.02 / ≤0.01 / ≤0.40 Ni200 99.0 0.20 0.30 0.30 0.15 / 0.01 / 0.40 MAIN PROPERTY Type N4 N6 Density(g/cm3) 8.9 8.9 Melting point(℃） 1450 1440 Resistivity(μΩ。m)20℃ 0.07 0.08 Tensile strength(Mpa) 500-850 450 Temperature coefficient(α*10-6*/℃) +6600 +5300~+6300