China Resistance Ribbon Tophet a Foil Strip for Thin Film Resistor, Find details about China Fecral Strip for Locomotive Resistor Railway, High Resistance Strip for Railway Braking Part from Resistance Ribbon Tophet a Foil Strip for Thin Film Resistor
Properties \ Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
Main Chemical Composition% | Ni | Balance | Balance | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
Fe | ≤1.0 | ≤1.0 | Balance | Balance | Balance | |
Max Continuous Service Temperature(°C) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Resisivity (uΩ.m,20°C) | 1.09 | 1.18 | 1.11 | 1.04 | 1.04 | |
Density (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Thermal Conductivity(KJ/m·h·°C) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of Thermal Expansion(α×10-6/°C) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
Melting Point( °C) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Elongation(%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Micrographic Structure | austenite | austenite | austenite | austenite | austenite | |
Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic |
We supply products in the shape of wire,flat wire,strip.We can also make customized material according to useris requests.
Strip:0.01mm~7.0mm,width 0.5mm~250mm
Process:
Strip:Material preparation→melting(vacuum,medium frequency)→electroslag→lathe-forging→planing→hot rolling→annealing→polish by high pressurewater→rolling→degrease→annealing→welding→rolling→edge shearing→annealing→slitting→inspection→package
Product features:
1)Excellent anti-oxidation and mechanical strength at high temperature;
2)High resistivity and low temperature coefficient of resistance;
3)Excellent reelability and forming performance;
4)Excellent welding performace
Application of all grades:
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.