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Magnetic Alkrothal 720 FeCrAl Alloy For Brake Resistor

Shanghai Tankii Alloy Material Co.,Ltd
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    Buy cheap Magnetic Alkrothal 720 FeCrAl Alloy For Brake Resistor from wholesalers
     
    Buy cheap Magnetic Alkrothal 720 FeCrAl Alloy For Brake Resistor from wholesalers
    • Buy cheap Magnetic Alkrothal 720 FeCrAl Alloy For Brake Resistor from wholesalers

    Magnetic Alkrothal 720 FeCrAl Alloy For Brake Resistor

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    Brand Name : TANKII
    Model Number : Alkrothal 720
    Certification : ISO9001
    Price : negotiable
    Payment Terms : L/C, T/T, Western Union
    Supply Ability : 300+ton+month
    Delivery Time : 8-20 days
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    Magnetic Alkrothal 720 FeCrAl Alloy For Brake Resistor

    Alkrothal 720 No.1 JR FeCrAl Alloy for brake resistor


    Alkrothal 720 is a ferritic iron-chromium-aluminium alloy (FeCrAl alloy) for use at temperatures up to 1000°C (1830°F).


    Typical applications for Alkrothal 720 are in rheostats, braking resistors, etc. It is also used as electrical heating elements in industrial applications.



    Nominal Analysis

    CrAlFe
    12.0~15.04.0~6.0Balance



    Mechanical Properties

    Max Continuous Service Temperature:
    Resisivity 20ºC:
    Density:
    Thermal Conductivity:
    Coefficient of Thermal Expansion:
    Melting Point:
    Elongation:
    Micrographic Structure:
    Magnetic Property:
    950ºC
    1.25ohm mm2/m
    7.40g/cm3
    52.7 KJ/m·h·ºC
    15.4×10-6/ºC (20ºC~1000ºC)
    1450ºC
    Min 16%
    Ferrite
    magnetic


    Size: Thickness 0.01-7mm, width 0.5-1000mm

    Surface: BA, 2B

    Hardness: Soft, Half hard, hard

    Has been used extensively as big power brake resisor and furnace heating elements.

    Has less hot strength than Tophet alloys but much higher melting point.

    Shanghai TANKII ALLOY MATERIAL Co., Ltd.

    FECRAL AND ALCHROME ALLOY PRODUCER IN China, MOST PROFESSIONAL IN THE WORLD

    We also produce below grades:

    0Cr15Al5 and 0Cr19Al3, etc.


    Chemical Composition and Main Property of Fe-Cr-Al Resistance Alloy
    Properties Grade1Cr13Al40Cr25Al50Cr21Al60Cr23Al50Cr21Al40Cr21Al6Nb0Cr27Al7Mo2
    Main Chemical Composition
    (%)
    Cr12.0-15.023.0-26.019.0-22.022.5-24.518.0-21.021.0-23.026.5-27.8
    Al4.0-6.04.5-6.55.0-7.04.2-5.03.0-4.25.0-7.06.0-7.0
    Reopportuneopportuneopportuneopportuneopportuneopportuneopportune
    FeBal.Bal.Bal.Bal.Bal.Bal.Bal.






    Nb0.5Mo1.8-2.2
    Max Continuous Service Temperature(oC)950125012501250110013501400
    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)7.47.17.167.257.357.17.1
    Thermal Conductivity52.746.163.260.246.946.145.2
    (KJ/m@h@oC)
    Coefficient of Thermal Expansion(α×10-6/oC)15.41614.71513.51616
    Approximate Melting Point( oC)1450150015001500150015101520
    Tensile Strength(N/mm2)580-680630-780630-780630-780600-700650-800680-830
    Elongation(%)>16>12>12>12>12>12>10
    Section Variation65-7560-7565-7565-7565-7565-7565-75
    Shrink Rate (%)
    Repeatedly Bend Frequency(F/R)>5>5>5>5>5>5>5
    Hardness (H.B.)200-260200-260200-260200-260200-260200-260200-260
    Continuous Service Timeno≥80/1300≥80/1300≥80/1300≥80/1250≥50/1350≥50/1350
    Micrographic StructureFerriteFerriteFerriteFerriteFerriteFerriteFerrite
    Magnetic PropertyMagneticMagneticMagneticMagneticMagneticMagneticMagnetic

    Magnetic Alkrothal 720 FeCrAl Alloy For Brake ResistorMagnetic Alkrothal 720 FeCrAl Alloy For Brake ResistorMagnetic Alkrothal 720 FeCrAl Alloy For Brake Resistor

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