Bright Annealed Fecral Alloy Strip for Resistor
Grade: 1Cr13AL4, 0Cr15AL5, 0Cr23AL5, 0Cr25AL5, 0Cr21AL6Nb0Cr27AL7Mo2
Size: Wire: 0.15~10mm
Bar: 12~120mm
As regards this electric heating alloy, we can suppply various wires, bars, plates, strips, rods, etc.
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 ceramic cooktop, industrial furnace.
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.
Features
Stable performance; Anti-oxidation; Corrosion resistance; High temperature stability; Excellent coil-forming ability; Uniform and beautiful surface condition without spots.
Packing detail
1) Coil (plastic spool) + compressed ply-wooden case + pallet
2) Coil (plastic spool) + carton + pallet
Properties/Grade |
1Cr13Al4 |
0Cr21Al4 |
0Cr21Al6 |
0Cr23Al5 |
0Cr25Al5 |
0Cr21Al6Nb |
0Cr27Al7Mo2 |
Main Chemical composition(%) |
Cr |
12.0-15.0 |
18.0-21.0 |
19.0-22.0 |
22.5-24.5 |
23.0-26.0 |
21.0-23.0 |
26.5-27.8 |
Al |
4.0-6.0 |
3.0-4.2 |
5.0-7.0 |
4.2-5.0 |
4.5-6.5 |
5.0-7.0 |
6.0-7.0 |
Fe |
Balance |
Balance |
Balance |
Balance |
Balance |
Balance |
Balance |
Re |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
|
|
|
|
|
|
Nb:0.5 |
Mo:1.8-2.2 |
Max. continuous service temp. of element |
950 |
1100 |
1250 |
1250 |
1250 |
1350 |
1400 |
Resistivity at 20oC (μ Ω @ m) |
1.25+-0.08 |
1.23+-0.06 |
1.42+-0.07 |
1.35+-0.07 |
1.42+-0.06 |
1.45+-0.07 |
1.53+-0.07 |
Density (g/cm3) |
7.4 |
7.35 |
7.16 |
7.25 |
7.1 |
7.1 |
7.1 |
Thermal conductivity(KJ/m@ h@ ºC) |
52.7 |
46.9 |
63.2 |
60.2 |
46.1 |
46.1 |
45.2 |
Coefficient of lines expansion(α × 10-6/ºC) |
15.4 |
13.5 |
14.7 |
15 |
16 |
16 |
16 |
Melting point (approx. )( ºC) |
1450 |
1500 |
1500 |
1500 |
1500 |
1510 |
1520 |
Elongation at rupture (%) |
≥16 |
≥12 |
≥12 |
≥12 |
≥12 |
≥12 |
≥10 |
Micrographic structure |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Magnetic properties |
magnetic |
magnetic |
magnetic |
magnetic |
magnetic |
magnetic |
magnetic |
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;