Hangzhou Ualloy Material Co.,Ltd is one of the best nichrome alloy ni30cr20 manufacturers and suppliers in China,Website:://.alloystrip.com, welcome to buy discount and low price cr20ni30, n30, nikrothal 30, resistohm 30, nikrothal 3 from us, and also welcome to check the price and quotation with our factory. Ni30Cr20 (Common Name:Ni30Cr20,Nikrothal 30, N3, HAI-NiCr 30, Resistohm 30,30-20 Ni-Cr,Nikrothal 3.) Ni30Cr20 is a nickel-chromium alloy (NiCr alloy) characterized by High resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1100°C. Typical applications for Ni30Cr20 are used in olid hot plates,open coil heaters in HVAC systems,night-storage heaters,convection heaters,heavy duty rheostats and fan heaters. And also used for heating cables and rope heaters in defrosting and de-icing elements,electric blankets and pads, car seats,baseboard heaters,floor heaters and resistors. Normal composition% C P S Mn Si Cr Ni Al Fe Other Max 0.08 0.02 0.015 1.00 1.0~2.0 18.0~21.0 30.0~34.0 - Bal. - Typical Mechanical properties（1.0mm） Yield strength Tensile Strength Elongation Mpa Mpa % 340 675 35 Typical Physical properties Density (g/cm3) 7.9 Electrical resistivity at 20℃(Ωmm2/m) 1.04 Conductivity coefficient at 20℃ (WmK) 13 Coefficient of thermal expansion Temperature Coefficient of Thermal Expansion x10-6/℃ 20 ℃- 1000℃ 19 Specific heat capacity Temperature 20℃ J/gK 0.50 Melting point (℃) 1390 Max continuous operating temperature in air (℃) 1100 Magnetic properties non-magnetic Temperature Factors Of Electrical Resistivity 20℃ 100℃ 200℃ 300℃ 400℃ 500℃ 600℃ 1 1.023 1.052 1.079 1.103 1.125 1.141 700℃ 800℃ 900℃ 1000℃ 1100℃ 1200℃ 1300℃ 1.158 1.173 1.187 1.201 1.214 1.226 - Style of supply Alloys Name Type Dimension Ni30Cr20W Wire D=0.03mm~8mm Ni30Cr20R Ribbon W=0.4~40 T=0.03~2.9mm Ni30Cr20S Strip W=8~250mm T=0.1~3.0 Ni30Cr20F Foil W=6~120mm T=0.003~0.1 Ni30Cr20B Bar Dia=8~100mm L=50~1000