Big size with good properity FeCrAl alloy 1Cr15Al5 Strip For Resistors
(Common Name:1Cr15Al5,Aluchrom-W.
1Cr15Al5 is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by high resistance, low coefficient of electric resistance, high operating temperature, good corrosion resistance under high temperature.It is suitable for use at temperatures up to 980°C.
Typical applications for 1Cr15Al5 are used in electric locomotive, diesel locomotive,metro vehicle and high speed moving car etc brake system brake resistor.
Normal composition%
| C |
P |
S |
Mn |
Si |
Cr |
Ni |
Al |
Fe |
Other |
| Max |
| 0.12 |
0.025 |
0.025 |
0.70 |
Max 1.0 |
13.0~15.0 |
Max 0.60 |
4.5~6.0 |
Bal. |
- |
Typical Mechanical properties and Physical properties
| Tensile Strength(Mpa) |
637~784 |
| Elongation(%) |
Min 12% |
| Hardness(HB) |
200-260 |
| Section Variation Shrink Rate(%) |
65-75 |
| Density (g/cm3) |
7.40 |
| Electrical resistivity at 20ºC(ohm mm2/m) |
1.28 |
| Thermal Conductivity(KJ/m·h·ºC) |
52.7 |
| Coefficient of thermal expansion |
| Temperature |
Coefficient of Thermal Expansion x10-6/ºC |
| 20 ºC- 1000ºC |
15.4 |
| Specific heat capacity |
| Temperature |
20ºC |
| J/gK |
0.49 |
| Melting point (ºC) |
1450 |
| Max continuous operating temperature in air (ºC) |
980 |
| Magnetic properties |
magnetic |
Temperature Factor of Electrical Resistivity
| 20ºC |
100ºC |
200ºC |
300ºC |
400ºC |
500ºC |
600ºC |
700ºC |
800ºC |
900ºC |
1000ºC |
1100ºC |
1200ºC |
1300ºC |
| 1 |
1.005 |
1.014 |
1.028 |
1.044 |
1.064 |
1.090 |
1.120 |
1.132 |
1.142 |
1.150 |
- |
- |
- |
Style of supply
| Alloys Name |
Type |
Dimension |
| 1Cr15Al5W |
Wire |
D=0.03mm~8mm |
| 1Cr15Al5R |
Ribbon |
W=0.4~40 |
T=0.03~2.9mm |
| 1Cr15Al5S |
Strip |
W=8~250mm |
T=0.1~3.0 |
| 1Cr15Al5F |
Foil |
W=6~120mm |
T=0.003~0.1 |
| 1Cr15Al5B |
Bar |
Dia=8~100mm |
L=50~1000 |
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