nickel nichrome electric heating alloy Foam wire Cr20Ni80 Ni80Cr20 NiCr80/20

nickel nichrome electric heating alloy Foam wire Cr20Ni80 Ni80Cr20 NiCr80/20
Grade:Ni80Cr20 ,also calledNikrothal8,MWS-650,NiCrA,TophetA,HAI-NiCr80,Chromel A,Alloy A,N8,Resistohm 80, Stablohm 650,Nichorme V,Nikrothal 80 etc.
ChemicalContent(%)
C
P
S
Mn
Si
Cr
Ni
Al
Fe
Other
Max
0.03
0.02
0.015
0.60
0.75~1.60
20.0~23.0
Bal.
Max0.50
Max1.0
-
MechanicalProperties of nichrome wire
MaxContinuousServiceTemperature:
1200℃
Resisivity20℃:
1.09ohmmm2/m
Density:
8.4g/cm3
ThermalConductivity:
60.3KJ/m·h·℃
CoefficientofThermalExpansion:
18αx10-6/℃
MeltingPoint:
1400℃
Elongation:
Min20%
MicrographicStructure:
Austenite
MagneticProperty:
nonmagnetic
TemperatureFactorsOfElectricalResistivity
20℃
100℃
200℃
300℃
400℃
500℃
600℃
1
1.006
1.012
1.018
1.025
1.026
1.018
700℃
800℃
900℃
1000℃
1100℃
1200℃
1300℃
1.01
1.008
1.01
1.014
1.021
1.025
-
Process:
Wire:Materialpreparation→melting→re-melting→forging→hotrolling→heattreatment→surfacetreatment→drawing(rolling)→finishheattreatment→inspection→package→warehouse
Productfeatures ofnichrome wire:
1)Excellentanti-oxidationandmechanicalstrengthathightemperature;
2)Highresistivityandlowtemperaturecoefficientofresistance;
3)Excellentreelabilityandformingperformance;
4)Excellentweldingperformace
Applicationofallgrades:
Cr20Ni80:in braking resistors,industrial furnaces,flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
Cr30Ni70:in industrial furnaces. well suited for reducing atmospheres, as it is not subject to 'green rot'.
Cr15Ni60:in braking resistors,industrial furnaces,hot plates, grills, toaster ovens and storage heaters. For suspended coils in air heaters in clothes dryers, fan heaters, hand dryers.
Cr20Ni35:in braking resistors,industrial furnaces.In night-storage heaters, convection heaters, heavy duty rheostats and fan heaters. For heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters and floorheater.
Cr20Ni30:in solid hot plates, open coil heaters in HVAC systems, night-storage heaters, convection heaters, heavy duty rheostats and fan heaters.For heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters and resistors.