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Nikrothal 80 nichrome wire ni80cr20 alloy for resistance heating The material NiCr8020 with the material number 2.4869 is applied in the form of strips, sheets, tubes and wires for furnace construction components and heating conductors. It is a nickel-chromium heating conductor alloy for operating temperatures of up to 1150 °C and often contains additives of rare earths for a higher resistance to oxidation, especially with frequent switching operations or broad temperature variations. The resistance to atmospheric corrosion at 20 °C is high up to the upper operating temperature the resistance to air and other oxygen-containing gases as well as to nitrogen-containing low-oxygen gases is high as well, yet it is low to oxidizing as well as reducing gases containing sulphur. The resistance to carbonizing is high. Application for industrial electric furnaces, enamelling furnaces, household appliances, night-current storage space-heaters. Chemical Composition and Propertes: Propertes/Grade NiCr 80/20 NiCr 70/30 NiCr 60/15 Main Chemical Composition(%) Ni Bal. Bal. 55.0-61.0 Cr 20.0-23.0 28.0-31.0 15.0-18.0 Fe ≤ 1.0 ≤ 1.0 Bal. Max Working Temperature(ºC) 1200 1250 1150 Resistivity at 20ºC(μ Ω · m) 1.09 1.18 1.12 Density(g/cm3) 8.4 8.1 8.2 Thermal Conductivity(KJ/m· h· ºC) 60.3 45.2 45.2 Coefficient of Thermal Expansion(α × 10-6/ºC) 18 17 17 Melting Point(ºC) 1400 1380 1390 Elongation(%) > 20 > 20 > 20 Micrographic Structure austenite austenite austenite Magnetic Property nonmagnetic nonmagnetic nonmagnetic Propertes/Grade NiCr 35/20 NiCr 30/20 Karma Evanohm Main Chemical Ni 34.0-37.0 30.0-34.0 Bal Bal Composition(%) Cr 18.0-21.0 18.0-21.0 19.0-21.5 19.0-21.5 Fe Bal. Bal. 2.0-3.0 - Max Working Temperature(ºC) 1100 1100 300 1400 Resistivity at 20ºC 1.04 1.04 1.33 1.33 (μ Ω · m) Density(g/cm3) 7.9 7.9 8.1 8.1 Thermal Conductivity 43.8 43.8 46 46 (KJ/m· h· ºC) Coefficient of Thermal 19 19 - - Expansion(α × 10-6/ºC) Melting Point(ºC) 1390 1390 1400 1400 Elongation(%) > 20 > 20 > 20 > 20 Micrographic Structure austenite austenite austenite austenite Magnetic Property nonmagnetic nonmagnetic nonmagnetic nonmagnetic Typical Mechanical properties(1.0mm) Elongation: 30% Yield Strength: 420Mpa Tensile Strength: 810Mpa Chemical Composition Nickel 80%, Chrome 20% Condition Bright/Acid white/Oxidied Color Diameter 0.018mm~1.6mm in spool, 1.5mm-8mm packing in coil, 8~60mm in rod Nichrome Round Wire Diameter 0.018mm~10mm Nichrome Ribbon Width 5~0.5mm, thickness 0.01-2mm Nichrome Strip Width 450mm~1mm, thickness 0.001m~7mm Diameter 1.5mm-8mm packing in coil, 8~60mm in rod Grade Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23, Ni35Cr20Fe, Ni30Cr20 Ni80, Ni70,Ni60, Ni40, Advantage The metallurgical structure of nichrome confers them a very good plasticity when cold. Characteristics Stable performance; Anti-oxidation; Corrosion resistance; High temperature stability; Excellent coilforming ability; Uniform and beautiful surface condition without spots. Usage Resistance heating elements;Material in metallurgy, Household appliances;Mechanical manufacturing and other industries. Resistance Wires RW30 W.Nr 1.4864 Nickel 37%, Chrome 18%, Iron 45% RW41 UNS N07041 Nickel 50%, Chrome 19%, Cobalt 11%, Molybdenum 10%, Titanium 3% RW45 W.Nr 2.0842 Nickel 45%, Copper 55% RW60 W.Nr 2.4867 Nickel 60%, Chrome 16%, Iron 24% RW60 UNS NO6004 Nickel

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