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| Home >> Products >> Iron luo aluminium wire |
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| Products Chromium high resistance of Fe-Cr alloys with electric resistivity, temperature coefficient of resistance small, the use of high-temperature characteristics. High temperature corrosion resistance, and is particularly suitable for containing sulfur in the atmosphere and the use of sulfide, and have a proportion of light, surface load high, long service life, low price of a series of advantages, industrial furnace, household appliances, far-infrared the heating device ideal material. |
Model Performance |
1Cr13Al4 |
0Cr25Al5 |
0Cr21Al6 |
0Cr23Al5 |
0Cr21Al4 |
0Cr21Al6Nb |
0Cr27Al7Mo2 |
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The main chemical composition |
Cr |
12.0-
15.0 |
23.0-
26.0 |
19.0-
22.0 |
22.5-
24.5 |
18.0-
21.0 |
21.0-
23.0 |
26.5-
27.8 |
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Al |
4.0-6.0 |
4.5-6.5 |
5.0-7.0 |
4.2-5.0 |
3.0-4.2 |
5.0-7.0 |
6.0-7.0 |
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Re |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
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Fe |
Rest |
Rest |
Rest |
Rest |
Rest |
Rest |
Rest |
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The maximum use temperature components（oC） |
650 |
1250 |
1250 |
1250 |
1100 |
1350 |
1400 |
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Resistivity20oC (μΩ·m) |
1.25 |
1.42 |
1.42 |
1.35 |
1.23 |
1.45 |
1.53 |
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Density(g/cm3) |
7.40 |
7.10 |
7.16 |
7.25 |
7.35 |
7.10 |
7.10 |
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Thermal conductivity
(KJ/m·h·oC) |
52.7 |
46.1 |
63.2 |
60.2 |
46.9 |
46.1 |
45.2 |
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Linear expansion coefficient(α×10-6/oC) |
15.4 |
16.0 |
14.7 |
15.0 |
13.5 |
16.0 |
16.0 |
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Melting point about value( oC) |
1450 |
1500 |
1500 |
1500 |
1500 |
1510 |
1520 |
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Tensile coefficient(N/mm2)
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580-680 |
630-780 |
630-780 |
630-780 |
600-700 |
650-800 |
680-830 |
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Elongation(%) |
>16 |
>12 |
>12 |
>12 |
>12 |
>12 |
>10 |
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Area reduction (%) |
65-75 |
60-75 |
65-75 |
65-75 |
65-75 |
65-75 |
65-75 |
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Several repeated bending(F/R) |
>5 |
>5 |
>5 |
>5 |
>5 |
>5 |
>5 |
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Hardness (H.B.) |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
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Microstructure |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
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Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
agnetic> |
agnetic |
agnetic |
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