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Fecral 0cr21al4 Alloy Strip Used for Locomotive Resistors

Fecral 0cr21al4 Alloy Strip Used for Locomotive Resistors

Heating resistance alloy manufacturer / supplier in China, offering Fecral 0cr21al4 Alloy Strip Used for Locomotive Resistors,NiCr/FeCrAl/CuNi resistance alloy in the form of wire and strip. More favourable price from factory,welcome your inquiry.

Basic Info
  • Model NO.: 0cr21al4

  • Material: Fecral

  • Size: 0.15mm-8mm

  • Thickness: 0.6-3mm

  • Trademark: ualloy

  • Origin: China

  • Product Type: Strip

  • Carbon Content: Low Carbon

  • Wire: 0.15-8mm

  • Width: 5-250mm

  • Specification: ISO9001, ISO14001

  • HS Code: 7602000010

Product Description
FeCrAl(0Cr21Al4) Heating Strip

1. Description
FeCrAl Heating Strip With the characteristics of high resistance, low coefficient of electric resistance, high operating temperature, good corrosion resistance under high temperature, it is widely used in industrial electric furnace, household electrical appliance and far infrared ray device.

2. Specification
Wire: Diameter: 0.15mm-8.0mm

Strip: Thickness: 0.6mm-3.0mm
Width: 5mm-250mm

3. Usage
FeCtAl Heating Alloy 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
The features of FeCtAl Heating Alloy are Stable performance; Anti-oxidation; Corrosion resistance; High temperature stability; Excellent coil-forming ability; Uniform and beautiful surface condition without spots.

5. Packing detail
1) Coil (plastic spool) + compressed ply-wooden case + pallet
2) Coil (plastic spool) + carton + pallet

6. Products and services
1). Pass: ISO9001 certification, and SO14001cetification;
2). Fine after-sale services;
3). Small order accepted;
4). Stable properties in high temperature;
5). Fast delivery;
SiCrNiAlFeOther
Max 1.018.0~21.0Max 0.603.0~4.2Bal.-

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/T1234-2012
CategoryWidth ( mm )Tolerance ( mm )
side cutNonside cut
Common precisionHigh precision 
Cold-rolled Strip5.0 ~ 10.0±0.2±0.1-0.6
10.0 ~ 20.0-0.8
20.0 ~ 30.0-1
30.0 ~ 50.0±0.3±0.15-1.2
50.0 ~ 100.0±1.0
100.0 ~ 200.0±0.5±0.25±1.5
200.0 ~ 300.0±1.8
Hot-rolled Strip15.0 ~ 60.0/±1.5
60.0 ~ 200.0±2.5
200.0 ~ 300.0±3.0
Max Continuous Service Temp1100ºC
Resisivity at 20ºC1.23 ohm mm2/m
Density7.35 g/cm3
Thermal Conductivity46.9 KJ/m@h@ºC
Coefficient of Thermal Expansion13.5×10-6/ºC
Melting Point1500ºC
Tensile Strength637~784 Mpa
ElongationMin 12%
Section Variation Shrink Rate65~75%
Repeatedly Bend FrequencyMin 5 times
Continuous Service Time-
Hardness200-260HB
Micrographic StructureFerrite
Magnetic PropertyMagnetic

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