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Alkrothal 14 ferritic iron­chromium­aluminium alloy (FeCrAl alloy) Featured Image
  • Alkrothal 14 ferritic iron­chromium­aluminium alloy (FeCrAl alloy)
  • Alkrothal 14 ferritic iron­chromium­aluminium alloy (FeCrAl alloy)
  • Alkrothal 14 ferritic iron­chromium­aluminium alloy (FeCrAl alloy)

Alkrothal 14 ferritic iron­chromium­aluminium alloy (FeCrAl alloy)

Short Description:


  • model name: Alkrothal 14,1Cr13Al4
  • Surface: Bright
  • Packing: Standard
  • Transport Package: Wooden Pallet, Wooden Case, Spool
  • Origin: China
  • Surface Treatment: Bright
  • OEM: Yes
  • Trademark: TANKII
  • HS Code: 72230000
  • Type: Fecral
  • Standard: ASTM, AISI, GB, JIS, DIN
  • Certification: ISO, RoHS, AISI, ASTM, GB

    • Product Detail

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    Alkrothal 14 (Resistance heating wire and resistance wire) Alkrothal 14 is a ferritic iron­chromium­aluminium alloy (FeCrAl alloy) with high resistivity suitable for use at temperatures up to 1100°C (2010°F). Alkrothal 14 is typically used for electrical resistance wire for applications such as heating cables.

    CHEMICAL COMPOSITION

     C %  Si %  Mn %  Cr %  Al %  Fe %
    nominal composition 4.3 Bal
    Min -
    		14.0
    Max 0.08 0.7 0.5 16.0

    MECHANICAL PROPERTIES

     wire size  Yield strength  Tensile strength  Elongation  Hardness
      Ø Rp0.2 Rm A
      mm MPa MPa % Hv
      1.0 455 630 22 220
      4.0 445 600 22 220
      6.0 425 580 23 220

    YOUNG’S MODULUS

     temperature °C  20  100  200  400  600  800  1000
     GPa  220  210  205  190  170  150  130

    Mechanical properties at elevated temperature

     Temperature °C                                     900
     MPa                                       30

    Ultimate tensile strength ­ deformation rate 6.2 x 10 /min

    CREEP STRENGTH – 1% ELONGATION IN 1000 H

        Temperature °C    800    1000
        MPa    1.2    0.5

    PHYSICAL PROPERTIES

    Density g/cm3              7.28
    Electrical resistivity at 20°C Ω mm/ m              1.25
    Poisson’s ratio              0.30

    TEMPERATURE FACTOR OF RESISTIVITY

    Temperature°C 100 200 300 400 500 600 700 800 900 1000 1100
    Ct 1.00 1.02 1.03 1.04 1.05 1.08 1.09 1.10 1.11 1.11 1.12

    COEFFICIENT OF THERMAL EXPANSION

    Temperature °C Thermal Expansion x 106/ K
    20 -­ 250 11
    20 ­- 500 12
    20 ­- 750 14
    20 ­- 1000 15

    THERMAL CONDUCTIVITY

    Temperature °C 20
    W/m K 16

    SPECIFIC HEAT CAPACITY

    Temperature°C 20 200 400 600 800 1000
    kJ kg-1 K-1 0.46 0.63 0.72 1.00 0.80 0.73

    2018-2-11 767 2018-2-11 758 2018-2-11 762

     

     

     

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