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Warranty: | one year |
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Resistohm 145 or FeCrAl 145 is a ferritic alloy of the FeCrAl family, which can be used up to 1300°C in case of big diameters.
Resistohm 145 or FeCrAl 145 can be used for resistances in electric furnaces for ceramic, chemical and metallurgic industries, and for all applications where it is necessary to apply very high temperature of use.
Chemical Composition and Main Property of Fe-Cr-Al Resistance Alloy |
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Properties \ Grade |
1Cr13Al4 |
0Cr25Al5 |
0Cr21Al6 |
0Cr23Al5 |
0Cr21Al4 |
0Cr21Al6Nb |
0Cr27Al7Mo2 |
|
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 |
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 |
|
Re |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
|
Fe |
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
|
Nb0.5 |
Mo1.8-2.2 |
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Max Continuous Service Temperature(oC) |
950 |
1250 |
1250 |
1250 |
1100 |
1350 |
1400 |
|
Resisivity 20oC (Ωmm2/m) |
1.25 ±0.08 |
1.42 ±0.06 |
1.42 ±0.07 |
1.35 ±0.07 |
1.23 ±0.07 |
1.45 ±0.07 |
1.53 ±0.07 |
|
Density(g/cm3) |
7.4 |
7.1 |
7.16 |
7.25 |
7.35 |
7.1 |
7.1 |
|
Thermal Conductivity |
52.7 |
46.1 |
63.2 |
60.2 |
46.9 |
46.1 |
45.2 |
|
(KJ/m@h@oC) |
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Coefficient of Thermal Expansion(α×10-6/oC) |
15.4 |
16 |
14.7 |
15 |
13.5 |
16 |
16 |
|
Approximate Melting Point( oC) |
1450 |
1500 |
1500 |
1500 |
1500 |
1510 |
1520 |
|
Tensile Strength(N/mm2) |
580-680 |
630-780 |
630-780 |
630-780 |
600-700 |
650-800 |
680-830 |
|
Elongation(%) |
>16 |
>12 |
>12 |
>12 |
>12 |
>12 |
>10 |
|
Section Variation |
65-75 |
60-75 |
65-75 |
65-75 |
65-75 |
65-75 |
65-75 |
|
Shrink Rate (%) |
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Repeatedly Bend Frequency(F/R) |
>5 |
>5 |
>5 |
>5 |
>5 |
>5 |
>5 |
|
Hardness (H.B.) |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
|
Continuous Service Time |
no |
≥80/1300 |
≥80/1300 |
≥80/1300 |
≥80/1250 |
≥50/1350 |
≥50/1350 |
|
Micrographic Structure |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
|
Magnetic Property |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnet |