China Fecral Resistance Strip

FeCrAl Resistance strip/Ohmalloy 40 resistance strip
1. Description
With the characteristics of high resistance, low coefficient of electric resistance, high operating temperature, good corrosion resistance under high temperature. It 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.
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)x 12mm(above)
3). Low resistance ribbon:
Thickness&Width: (0.2mm-1.5mm)*5mm
4). Industrial furnace ribbon:
Thickness: 1.5mm-3.0mm
Width: 10mm-30mm
3. Usage
It 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
Stable performance; Anti-oxidation; Corrosion resistance; High temperature stability; Excellent coil-forming ability; Uniform and beautiful surface condition without spots.
5. Packing detail
Spool, coil, wooden case(as per client's requiryment)
6. Products and services
1). Pass: ISO9001 certification;
2). Fine after-sale services;
3). Small order accepted;
4). Stable properties in high temperature;
5). Fast delivery;

CPSMnSiCrTiAlFeOther0.025Max 0.025Max 0.0250.350.313.00.33.95Bal.-

Mechanical Properties

The allowable tolerance of alloy strip GB/T1234-2012
CategoryThickness ( mm )Tolerance ( mm)
Common precisionHigh precision
Cold-rolled strip0.05 ~ 0.1±0.01±0.005
0.1 ~ 0.2±0.015±0.01
0.2 ~ 0.5±0.02±0.015
0.5 ~ 1.0±0.03±0.025
1.0 ~ 1.8±0.04±0.03
1.8 ~ 2.5±0.05±0.04
2.5 ~ 4.0±0.06±0.05
Hot-rolled Strip2.5 ~ 5.0±0.25±0.2
5.0 ~ 7.0±0.3±0.25
7.0 ~ 10.0±0.4±0.35
10.0 ~ 20.0±0.5±0.45
The allowable tolerance of alloy strip GB/T1234-2012CategoryWidth ( mm )Tolerance ( mm )side cutNonside cutCommon precisionHigh precision Cold-rolled Strip5.0 ~ 10.0±0.2±0.1-0.610.0 ~ 20.0-0.820.0 ~ 30.0-130.0 ~ 50.0±0.3±0.15-1.250.0 ~ 100.0±1.0100.0 ~ 200.0±0.5±0.25±1.5200.0 ~ 300.0±1.8Hot-rolled Strip15.0 ~ 60.0/±1.560.0 ~ 200.0±2.5200.0 ~ 300.0±3.0

Max Continuous Service Temp950ºCResisivity at 20ºC1.25 ohm mm2/mDensity7.4 g/cm3Thermal Conductivity52.7 KJ/m@h@ºCCoefficient of Thermal Expansion15.4x10-6/ºCMelting Point1450ºCTensile Strength588~735 MpaElongationMin 12%Section Variation Shrink Rate65~75%Repeatedly Bend FrequencyMin 5 timesContinuous Service Time-Hardness200-260HBMicrographic StructureFerriteMagnetic PropertyMagnetic