Product Detail
FAQ
Product Tags
Fe-Cr-Al alloy with high resistivity and serviceability temperature than that for NiCr alloy and also has lower price.
Applications:
Ironr-chrome-aluminium electrie esistorstipis wmidely usedfor making electrie heatng elementsin home appliancesand imdustial fmaces, pid appicatonsarefat rons, ioningmachines,naterheater, plastimoulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
Chemical Content %
Alloy material
|
Chemical composition%
|
C
|
P
|
S
|
Mn
|
Si
|
Cr
|
Ni
|
Al
|
Fe
|
Others
|
max(≦)
|
1Cr13Al4
|
0.12
|
0.0025
|
0.0025
|
0.7
|
≦1.00
|
12.5-15.0
|
-
|
3.5-4.5
|
Rest
|
-
|
0Cr15Al5
|
0.12
|
0.0025
|
0.0025
|
0.7
|
≦1.00
|
14.5-15.5
|
-
|
4.5-5.3
|
Rest
|
-
|
0Cr25Al5
|
0.06
|
0.0025
|
0.0025
|
0.7
|
≦0.60
|
23.0-26.0
|
≦0.60
|
4.5-6.5
|
Rest
|
-
|
0Cr23Al5
|
0.06
|
0.0025
|
0.0025
|
0.7
|
≦0.60
|
20.5-23.5
|
≦0.60
|
4.2-5.3
|
Rest
|
-
|
0Cr21Al6
|
0.06
|
0.0025
|
0.0025
|
0.7
|
≦1.00
|
19.0-22.0
|
≦0.60
|
5.0-7.0
|
Rest
|
-
|
0Cr19Al3
|
0.06
|
0.0025
|
0.0025
|
0.7
|
≦1.00
|
18.0-21.0
|
≦0.60
|
3.0-4.2
|
Rest
|
-
|
0Cr21Al6Nb
|
0.05
|
0.0025
|
0.0025
|
0.7
|
≦0.60
|
21.0-23.0
|
≦0.60
|
5.0-7.0
|
Rest
|
Nb add0.5
|
0Cr27Al7Mo2
|
0.05
|
0.0025
|
0.0025
|
0.2
|
≦0.40
|
26.5-27.8
|
≦0.60
|
6.0-7.0
|
Rest
|
|
Grade |
1Cr13Al4 |
TK1 |
0Cr25Al5 |
0Cr20Al6RE |
0Cr23Al5 |
0Cr19Al3 |
0Cr21Al6Nb |
0Cr27Al7Mo2 |
Nominal composition% |
Cr |
12.0-15.0 |
22.0-26.0 |
23.0-26.0 |
19.0-22.0 |
22.5-24.5 |
18.0-21.0 |
21.0-23.0 |
26.5-27.8 |
Al |
4.0-6.0 |
5.0-7.0 |
4.5-6.5 |
5.0-7.0 |
4.2-5.0 |
3.0-4.2 |
5.0-7.0 |
6.0-7.0 |
Re |
opportune |
0.04-1.0 |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
Fe |
Bal. |
|
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
|
|
|
|
|
|
|
Nb0.5 |
Mo1.8-2.2 |
Max operating temp(°C) |
650 |
1400 |
1250 |
1250 |
1250 |
1100 |
1350 |
1400 |
Resisivity 20℃(Ω/mm2/m) |
1.25 |
1.48 |
1.42 |
1.40 |
1.35 |
1.23 |
1.45 |
1.53 |
Density(g/cm³) |
7.4 |
7.1 |
7.1 |
7.16 |
7.25 |
7.35 |
7.1 |
7.1 |
Thermal Conductivity at 20℃,W/(M·K) |
0.49 |
0.49 |
0.46 |
0.48 |
3.46 |
0.49 |
0.49 |
0.49 |
Linear Expansion Coefficient(×10¯6/℃)20-1000℃) |
15.4 |
16 |
16 |
14 |
15 |
13.5 |
16 |
16 |
Approximate Melting Point(℃) |
1450 |
1520 |
1500 |
1500 |
1500 |
1500 |
1510 |
1520 |
Tensile Strength(N/mm2 ) |
580-680 |
680-830 |
630-780 |
630-780 |
630-780 |
600-700 |
650-800 |
680-830 |
Elongation(%) |
›16 |
›10 |
›12 |
›12 |
›12 |
›12 |
›12 |
›10 |
Section Variation Shrink Rate(%) |
65-75 |
65-75 |
60-75 |
65-75 |
65-75 |
65-75 |
65-75 |
65-75 |
Repeatedly Bend Frequency(F/R) |
›5 |
›5 |
›5 |
›5 |
›5 |
›5 |
›5 |
›5 |
Hardness(H.B.) |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
Micrographic Structure |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Magnetic Property |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Fast Life(h/℃) |
no |
≥80/1350 |
≥80/1300 |
≥80/1300 |
≥80/1300 |
≥80/1250 |
≥50/1350 |
≥50/1350 |
Previous:
Nichrome Ribbon Nicr6015 for Electric Heating Elements
Next:
Fecral Heating Element Good High Temperature Resistance Heating Elements For Industrial Furnace