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Alloy 875 Magnetic Round Fecral Wire Good Form Stability For Industrial Furnace

Short Description:


  • grade: 0Cr25Al5
  • application: Magnetic, High Temperature Resiatance
  • Chemical Composition: Ferro Bal. Chrome 20 Aluminum 6
  • shape: round
  • Product Detail

    FAQ

    Product Tags

    Alloy 875 Magnetic Round Fecral Wire Good Form Stability For Precision Resistor
     
    General Description

    Fe-Cr-Al alloy wires are made of iron chromium aluminum base alloys containing small amounts of reactive elements such as yttrium and zirconium and produced by smelting, steel rolling, forging, annealing, drawing, surface treatment, resistance control test, etc.
    The high aluminum content, in combination with the high chromium content let the scaling temperature can reach to 1425ºC (2600ºF);
    Fe-Cr-Al wire was shaped by means of high speed automatic cooling machine of which the power capacity is controlled by computer, they are available as wire and ribbon(strip).

    FeCrAl Electrictrical Resistance Heating alloys with high electrical resistivity, temperature coefficient of resistance is small, high operating temperature. good corrosion resistance under high temperature, and particularly suitable for use in a gas containing sulfur and sulfides, low price, it is widely used in industrial electric furnace, household appliances, far infrared device ideal heating material.
    FeCrAl type:1Cr13AI4, 0Cr21AI4, 0Cr21AI6, 0Cr25AI5, 0Cr21AI6 Nb, 0Cr27AI7Mo2 etc.Series electric flat belt, electric fire wire

    Application
    Our products (FeCrAl) high resistance electric heating wire materials are salable and widely used for making heating equipment like industrial furnace, civil heating appliance, various electrical resistors and locomotive braking resistor, infrared equipment, liquefied gas infrared heat-resisting net, different kinds of igniting and radiating electrodes and voltage-regulating resistors for motors and so on in Metallurgical machinery, medical, chemical, ceramics, electronics, electrical appliances, glass and other civil or industrial fields.

     

    Product forms and size range 
    Round wire 
    0.010-12 mm (0.00039-0.472 inch) other sizes are available on request.

    Ribbon (flat wire) 
    Thickness: 0.023-0.8 mm (0.0009-0.031 inch)
    Width: 0.038-4 mm (0.0015-0.157 inch)
    Width/thickness ratio max 60, depending on alloy and tolerance
    Other sizes are available on request.

    Resistance electric heating wire has strong antioxidant properties, but a variety of gases in furnaces such as air, carbon, sulfur, hydrogen and nitrogen atmosphere, still have a certain impact on it.

    Although these heating wires all have had antioxidant treatment, the transportation, winding, installation and other process will cause damage to a certain extent and reduce its service life.

    In order to extend the service life, customers need to do pre oxidation treatment before using. The method is to heat alloy elements which have installed completely in the dry air to the temperature (lower 100-200C than its maximum using temperature), heat preservation for 5 to 10 hours, then cooling slowly with furnace.

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