Resistance Ribbon Tophet a Foil Strip for Thin Film Resistor

• Product Type: Roll
• Material: Nicr Alloy
• Carbon Content: Low Carbon
• PCD: According to Customer′s Requirement
• ET: According to Customer′s Requirement
• Hole: According to Customer′s Requirement
• Model NO.: ni80cr20
• Useage: Locomotive Brake Resistor
• Application: Railway Braking Resistor
• Transport Package: Pallet
• Specification: according to customer′s requirement
• Trademark: wisdom
• Origin: China
• Production Capacity: 300 Tons Per Month

Product Description

good quality Resistohm 80 resistance ribbon Tophet A foil Strip for thin film Resistor

 NiCr80 Tape / Strip / Foil / Ribbon
Nichrome Grade: Ni70Cr30,Ni80Cr20, Ni60Cr15, Ni35Cr20, Ni30Cr20
Chromel A, Cr20Ni80, N8, Nichrome V, HAI - NiCr 80, Tophet A, Resistohm 80, Cronix 80, Protoloy, Alloy A, MWS-650, Stablohm 650, NCHW1, CHROM 80,Ni80,NiCrA
NiCr 80:20 - Industrial furnaces (upto 1200°C), electric cooking equipment, precision resistors.
NiCr 70:30 - Industrial furnaces (upto 1250°C) with alternating oxidizing/reducing atmosphere, precision resistors.
NiCr 60:15 - Industrial furnaces (upto 1150°C), electrically heated equipment, high-resistance and potentiometer resistors.
NiCr 35:20 - Domestic heating appliances (upto 1100°C), furnaces in carburising or semi-reducing atmosphere.
NiCr 30:20/ NiCr 20:25 - Industrial furnaces (upto 1100°C), heating elements of cooking equipment.

 

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.

 
2.Specification
1).Locomotive resistance strip:
Thickness:0.6mm-1.5mm             
Width:60mm-90mm
 
2).Electric ceramic cooktop resistance strip:
Thickness:0.04mm-1.0mm             
Width:5mm-12mm
Thickness&Width:(0.04mm-1.0mm)×12mm(above)
 
3).Low  resistance ribbon:
Thickness&Width:(0.2mm-1.5mm)*5mm
 
4).Industrial furnace strip:
Thickness:1.5mm-3.0mm             
Width:10mm-30mm
 
5)Wire: Diameter:0.05mm-10.0mm
 
 
3.Usage
FeCrAl electric heating strip Alkrothal 14 is mainly used in electric locomotive, diesel locomotive, metro vehicle and 
high speed moving car etc brake system brake resistor,electric ceramic cooktop,industrial furnace.
 
4.Features
FeCrAl electric heating strip Alkrothal 14  has Stable performance;Anti-oxidation;Corrosion resistance;High 
temperature stability;Excellent coil-forming ability;Uniform and beautiful surface condition without spots.


Application
Mainly applied in the braking resistance system of electrical power locomotive, internal-combustion engine, high speed motor car, this kind of resistance alloy strip have higher and stable resistivity, good anti-oxidation, good corrosion resistance. Also it has a good shock resistant and creep resistant under high temperature. So these alloys surely can meet all the requirement in making locomotive resistance appliance

Wisdomalloy is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by Stable performance, Anti-oxidation, Corrosion resistance, High temperature stability, Excellent coil-forming ability, Uniform and beautiful surface condition without spots.

Typical applications for Wisdomalloy are used in Neutral Grounding Resistor, Load Bank,Motor Starter,Battery Discharger,Harmonic Filter, electric locomotive, diesel locomotive, metro vehicle and high speed moving car etc, brake system brake resistor, electric ceramic cooktop, industrial furnace, It is suitable for use at temperatures up to 950°C, used extensively as heating elements in industrial furnaces and so on.