Alloy KH23JU5T

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    • Designation

    Name The value
    Designation GOST Cyrillic Х23Ю5Т
    Designation GOST Latin X23Ju5T
    Transliteration H23Yu5T
    By chemical elements Cr23Al5Te

    Description

    Alloy KH23JU5T used: for the manufacture of heating elements with maximum operating temperature +1400 °C in industrial and laboratory furnaces; heating elements and resistance elements; household appliances and electrical devices of thermal action; resistance elements.

    Note

    The heat resisting alloy in an oxidizing atmosphere containing sulfur and sulfur compounds, carbon, hydrogen, vacuum, working with high-alumina ceramics, is not prone to pitting corrosion, is prone to sagging at high temperatures can not withstand sudden dynamic loads.

    Standards

    Name Code Standards
    Classification, nomenclature and General rules В30 GOST 10994-74
    Wire, steel, alloy В73 GOST 12766.1-90, TU 14-131-820-90
    Tape В34 GOST 12766.2-90
    Bars and shapes В32 GOST 12766.3-90, GOST 12766.4-90, TU 14-11-245-88

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Al Ti Ca Ce
    GOST 10994-74 ≤0.05 ≤0.015 ≤0.03 ≤0.3 22-24 ≤0.5 ≤0.6 Rest 5-5.8 0.2-0.5 ≤0.1 ≤0.1
    Fe is the basis.
    According to GOST 10994-74 the chemical composition is presented for the alloy X23Y5T. In accordance with GOST 10994-74, the content of calcium and cerium is calculated. When smelting an alloy intended for the production of heating elements, fresh charge materials should be used. Waste of own marks may be used.

    Mechanical properties

    Section, mm σU, MPa d5, % d
    Cold-rolled steel strip of 0.2-3.2 mm in the delivery state according to GOST 12766.2-90
    ≤765 ≥12 -
    Wire cold-drawn heat-treated in the delivery condition according to GOST 12766.1-90 (the value is δ200)
    ≤760 - ≥12

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    d5 Elongation after rupture
    d Elongation after rupture

    Physical characteristics

    Temperature r, kg/m3 R, Mr. · m a, 10-6 1/°C С, J/(kg · °C)
    20 7210 1340-1450 - 480
    1000 - - 15 -
    800 - - - 750

    A description of the physical symbols

    Name Description
    Е The normal elasticity modulus
    l Coefficient of thermal conductivity
    R UD. the resistivity
    С Specific heat

    Technological properties

    Name The value
    Microstructure Ferritic structure.
    Magnitnoi Ferromagnetic alloy.
    Operating temperature Recommended maximum working temperature of the heating element from 950 °C at a thickness of 0.2 mm to 1400 °C at a thickness ≥ 6.0 mm.
    Survivability Survivability at a temperature of 1300 °C is not less than 70 hours.