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Electrical Resistance Heating Alloy Wire Fe-Cr-Al
Product features:
With the characteristics of high resistivity, low temperature coefficient of electric resistance, high operating temperature, good oxidation resistance under high temperature, as well as the lower price, it is widely used in industrial electric furnace, household electrical appliance and far infrared ray device.
Technical characteristic:
Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr21Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Main Chemical composition | Cr | 18.0-21.0 | 17.0-21.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 21.0-23.0 | 26.5-27.8 |
Al | 3.0-4.2 | 2.0-4.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 5.0-7.0 | 6.0-7.0 | |
Re | opportune | opportune | opportune | opportune | opportune | opportune | opportune | |
Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest | |
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| Nb0.5 | Mo1.8-2.2 | |
Max. continuous service temp. of element(℃) | 950 | 1100 | 1250 | 1250 | 1250 | 1350 | 1400 | |
Resistivity at 20ºC(μΩ·m) | 1.25 | 1.23 | 1.42 | 1.42 | 1.35 | 1.45 | 1.53 | |
Density(g/cm3) | 7.40 | 7.35 | 7.10 | 7.16 | 7.25 | 7.10 | 7.10 | |
Thermal conductivity(KJ/m·h·ºC) | 52.7 | 46.9 | 46.1 | 63.2 | 60.2 | 46.1 |
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Coefficient of lines expansion(α×10-6/ºC) | 15.4 | 13.5 | 16.0 | 14.7 | 15.0 | 16.0 | 16.0 | |
Melting point approx.( ºC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Tensile strength(N/mm2) | 580-680 | 600-700 | 630-780 | 630-780 | 630-780 | 650-800 | 680-830 | |
Elongation at rupture(%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
Variation of area(%) | 65-75 | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Repeat Bending 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(Hours/ ºC) | -- | ≥80/1250 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥50/1350 | ≥50/1350 | |
Micrographic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Magnetic properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |





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We can accept product customization.
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By creating a company that survives. Any low quality product is guaranteed to die. We have the merchandiser in factory to make sure the quality is good in every order, and check before loading.
How to deal with customer’s quality complains?
First, help customer reduce the cost of losses. For example: Replacement, replenishment, offer free transport ;
Second, investigate the quality problem;
Third, report the result to customer and assign responsibility;
Forth, remind customers to avoid the problems.
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What’s the term of payment?
T/T, L/C, West Union, Paypal, MoneyGram, Escrow etc are negotiable.
What’s the delivery time?
7-15 days for 1,000pcs normally, negotiable for urgent orders.
What about the package?
Export standard package or design according customer requirements are available.
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