Alloy NK0,2JE

  • Alloy NK0.2E
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  • Alloy HB6V
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  • Alloy Alunik 7-1

    • Designation

    Name The value
    Designation GOST Cyrillic НК0,2Э
    Designation GOST Latin HK0,2E
    Transliteration NK02Eh
    By chemical elements NiCo0,2Э

    Description

    Alloy NK0,2JE used: for the manufacture of semi-finished pipes; tape thickness of 0.05−2.0 mm, used in electronics and other industries; cathodes and other parts of electronic devices; thin-walled tubes.

    Note

    The alloy NK0,2JE according to ST SEV 1257−78 match the alloy NiSi0,2o. Alloy NK0,2JE has a more narrow limit of the silicon content.

    Standards

    Name Code Standards
    Tubes of non-ferrous metals and alloys В64 GOST 13548-77
    Non-ferrous metals, including rare, and their alloys В51 GOST 19241-80, GOST 28873-90
    Tape В54 GOST 2170-73
    Wire from nonferrous metals and their alloys В74 GOST 2179-75

    Chemical composition

    Standard C S P Mn Si Ni Fe Cu As Al Zn Sn Sb Pb Bi Co Mg Cd
    GOST 19241-80 ≤0.05 ≤0.003 ≤0.002 ≤0.04 0.15-0.25 Rest ≤0.07 ≤0.04 ≤0.002 ≤0.01 ≤0.005 ≤0.002 ≤0.002 ≤0.002 ≤0.002 ≤0.1 ≤0.05 ≤0.002
    Ni is the basis.
    According to GOST 19241-80 the sum of the mass fractions of nickel and cobalt is ≥ 99.40%. The mass of manganese is not more than 0,030%, sulfur is not more than 0,0050%, cadmium, antimony, bismuth, phosphorus and tin - not more than 0.0010% of each element in the alloy NK0.2E used for manufacturing thin-walled tubes. In the alloy obtained by vacuum melting, the mass fraction of zinc should be ≤ 0.0020%, the mass fraction of tin, lead, cadmium, arsenic, antimony, bismuth and phosphorus ≤ 0.0010% of each element (in this case the alloy has the designation HK0, 2EV).

    Mechanical properties

    σU, MPa d5, % d10
    Tape supplied according to GOST 2170-73 (samples)
    ≥390 ≥35 ≥32
    ≥440 ≥12 ≥10
    ≥540 ≥3 ≥2

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    d5 Elongation after rupture
    d10 Elongation after rupture