China Chemical Corrosion Ni35Cr20 Stranded Wire High-Value Electrical Resistors and for Heating Wires Manufacture and Factory

Chemical Corrosion Ni35Cr20 Stranded Wire High-Value Electrical Resistors and for Heating Wires

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NiCr 35 20 (1.4860) is used as electric components in domestic appliances and other electric heating equipment. It has good ductility after long time usage, good mechanical property at high temperature and good weldability. The maximum working temperature in air is +600°C when used for resistance wires and +1050°C when used for heating wires.

high-value electrical resistors and for heating wires.
electric heating elements (Electric blankets and pads, car seats, baseboard heaters, floor heaters, resistors).
industrial furnaces up to 1000°
heating cables, rope heaters rope heaters in defrosting and de-icing elements.

Grade		Ni80Cr20	Ni70Cr30	Ni60Cr23	Ni60Cr15	Ni35Cr20	Karma	Evanohm
Nominal composition%	Ni	Bal	Bal	58.0-63.0	55.0-61.0	34.0-37.0	Bal	Bal
	Cr	20.0-23.0	28.0-31.0	21.0-25.0	15.0-18.0	18.0-21.0	19.0-21.5	19.0-21.5
	Fe	≦1.0	≦1.0	Bal	Bal	Bal	2.0-3.0	–
				Al1.0-1.7 Ti 0.3-0.5			Al2.7-3.2 Mn0.5-1.5	Al2.7-3.2 Cu2.0-3.0 Mn0.5-1.5
Max operating temp(°C)		1200	1250	1150	1150	1100	300	400
Resisivity(Ω/cmf,20℃)		1.09	1.18	1.21	1.11	1.04	1.33	1.33
Resisivity(uΩ/m,60°F)		655	704	727	668	626	800	800
Density(g/cm³)		8.4	8.1	8.4	8.2	7.9	8.1	8.1
Thermal Conductivity(KJ/m·h·℃)		60.3	45.2	45.2	45.2	43.8	46.0	46.0
Linear Expansion Coefficient(×10¯⁶/℃)20-1000℃)		18.0	17.0	17.0	17.0	19.0	-	-
Melting Point(℃)		1400	1380	1370	1390	1390	1400	1400
Hardness(Hv)		180	185	185	180	180	180	180
Tensile Strength(N/mm²)		750	875	800	750	750	780	780
Elongation(%)		≥20	≥20	≥20	≥20	≥20	10-20	10-20
Micrographic Structure		austenite	austenite	austenite	austenite	austenite	austenite	austenite
MagneticProperty		Non	Non	Non	Slightly	Non	Non	Non
Fast Life(h/℃)		≥81/1200	≥50/1250	≥81/1200	≥81/1200	≥81/1200	-	-