Alloy H15N60-H

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    • Designation

    Name The value
    Designation GOST Cyrillic Х15Н60-Н
    Designation GOST Latin X15H60-H
    Transliteration H15N60-N
    By chemical elements Cr15Ni60-Ni

    Description

    Alloy H15N60-H is used: for the manufacture of electric heating elements in industrial furnaces and various electric heating devices with maximum operating temperatures up to +1100 °C, and appliances; rolled strip 0.1−1.0 mm for the manufacture of heating elements and resistance elements; wire and strip for industrial and laboratory furnaces, electrical apparatus heating effect and household appliances.

    Note

    The heat resisting alloy in an oxidizing atmosphere, in nitrogen, ammonia, unstable in the atmosphere containing sulfur and sulfur compounds, more heat resistant than zhelezomargantsevye alloys.

    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, GOST 12766.5-90, GOST 12766-67
    Bars and shapes В32 GOST 12766.3-90, GOST 12766.4-90, TU 14-11-245-88
    Blanks. Of the workpiece. Slabs В31 TU 14-1-3904-84

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Al Ti Zr
    GOST 10994-74 ≤0.06 ≤0.015 ≤0.02 ≤0.6 15-18 1-1.5 55-61 Rest ≤0.2 ≤0.2 0.2-0.5
    GOST 12766-67 ≤0.1 ≤0.02 ≤0.03 ≤0.6 15-18 1-1.5 55-61 Rest ≤0.2 ≤0.2 ≤0.5
    Ni is the basis.
    In accordance with the requirements of GOST 10994-74, the alloy must be smelted in induction furnaces.
    According to GOST 12766-67 the chemical composition is given for the alloy grade X15N60-N. The presence in the alloy of residual rare-earth elements, as well as barium and calcium, is not a defective feature.

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, MPa d5, % d y, % HB, MPa
    Cold-rolled steel strip of 0.2-3.2 mm in the delivery state according to GOST 12766.2-90
    - ≤834 ≥20 - - 140-150
    Wire cross section of 0.1-7.5 mm. heated to 950 °C (exposure: 20 min), cooling in water
    - ≥264 ≥645 ≥32 - ≥60 -
    Wire cold-drawn heat-treated in the delivery condition according to GOST 12766.1-90 (the value is δ200)
    - ≤880 - ≥20 - -
    Wire cross section of 0.1-7.5 mm. heated to 950 °C (exposure: 20 min), cooling in water
    - ≥254 ≥402 ≥22 - ≥40 -
    Wire. Heating to 950 °C (exposure: 20 min), cooling in water
    0.1-7.5 ≥264 ≥645 ≥32 - ≥60 -
    Wire cross section of 0.1-7.5 mm. heated to 950 °C (exposure: 20 min), cooling in water
    - ≥226 ≥284 ≥30 - ≥52 -
    - ≥127 ≥166 ≥33 - ≥50 -
    - - ≥108 ≥24 - ≥45 -
    - - ≥59 ≥35 - ≥44 -
    - - ≥38 ≥20 - ≥34 -
    - - ≥28 ≥17 - ≥32 -

    Description mechanical marks

    Name Description
    sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
    σU Limit short-term strength
    d5 Elongation after rupture
    d Elongation after rupture
    y The relative narrowing
    HB Brinell hardness number

    Physical characteristics

    Temperature r, kg/m3 R, Mr. · m a, 10-6 1/°C С, J/(kg · °C)
    20 8200 1150 - 460
    100 - 1170 - -
    200 - 1185 - -
    300 - 1210 - -
    400 - 1230 - -
    500 - 1240 - -
    600 - 1250 - -
    700 - 1250 - -
    800 - 1255 - -
    900 - 1270 - -
    1000 - - 163 -

    A description of the physical symbols

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

    Technological properties

    Name The value
    Weldability Trudnosmyvaemye alloy. The welding process - SMAW. Gas welding does not apply.
    Microstructure Austenitic structure.
    Magnitnoi Non-magnetic alloy.
    Okalinolomatel, heat resistance Onlinetony alloy in an oxidizing atmosphere, hydrogen, vacuum; unstable in an atmosphere containing sulfur and sulfur compounds; more heat resistant than homoalanine alloys.
    Operating temperature The working temperature of heating element: Optimal 1050 °C, maximum 1100 °C. the recommended maximum operating temperature of the heating element from 900 °C at a thickness of 0.2 mm to 1125 °C at thickness ≥ 6.0 mm.
    Survivability Survivability at a temperature of 1150 °C is not less than 150 hours.