Nickel NP4

  • Nickel NP0Evi
  • Nickel NP1
  • Nickel NP1Ev
  • Nickel NP2
  • Nickel NP2E
  • Nickel NP3
  • Nickel NP4
  • Nickel NPA1
  • Nickel NPA2
  • Nickel NPAN
  • Alloy SD1-1
  • Alloy SD1-2
  • Alloy SD1-4

    • Designation

    Name The value
    Designation GOST Cyrillic НП4
    Designation GOST Latin HP4
    Transliteration NP4
    By chemical elements NiП4

    Description

    Nickel NP4 is used: for the manufacture of semi-finished products (wire, ribbons, sheets, strips) used in instrument making and mechanical engineering; joints of sheet structures with thickness more than 6.0 mm, working with radioactive environment; tape thickness of 0.05−2.0 mm, used in electronics and other industries.

    Standards

    Name Code Standards
    Tape В54 GOST 2170-73
    Wire from nonferrous metals and their alloys В74 GOST 2179-75, OST 4.021.109-92
    Non-ferrous metals, including rare, and their alloys В51 GOST 28873-90, GOST 492-2006, OST 4.021.009-92
    Sheets and strips В53 GOST 6235-91
    Welding and cutting metals. Soldering, riveting В05 OST 95 10441-2002

    Chemical composition

    Standard C S Mn Si Ni Fe Cu Mg Ni+Co
    GOST 492-2006 ≤0.1 ≤0.015 ≤0.2 ≤0.15 Rest ≤0.3 ≤0.15 ≤0.1 ≥99
    Ni is the basis.
    According to GOST 492-2006, the total mass fraction of impurities is ≤ 1.0%. Due to the mass fraction of nickel, the mass fraction of cobalt in the amount of ≤ 0.60% is allowed.

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, MPa d5, % d d10
    Hot-rolled sheets, hot rolled and cold rolled strip in the delivery state according to GOST 6235-91
    - ≥370 ≥15 - -
    - ≥370 ≥35 - -
    - ≥540 ≥2 - -
    Tape supplied according to GOST 2170-73 (samples transverse)
    - - ≥390 ≥35 - ≥32
    - - ≥440 ≥12 - ≥10
    - - ≥540 ≥3 - ≥2
    Sheet g/K after annealing
    ≥220 400-500 35-40 - -
    Cold-drawn wire in soft (annealed) and hard (cold-worked) condition of delivery on the OST 4.021.109-92 (longitudinal samples)
    0.3-0.4 - ≥420 - ≥18 -
    0.5-1 - 390-590 - ≥20 -
    1.2-1.6 - 390-530 - ≥26 -
    2-12 - ≥370 - ≥26 -
    0.3-0.5 - 780-1080 - - -
    0.6-1 - 740-980 - - -
    1.2-5 - 690-880 - - -
    5.6-12 - 590-830 - - -

    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
    d10 Elongation after rupture

    Physical characteristics

    Temperature Е, HPa r, kg/m3 l, W/(m · °C)
    20 225 8900 596

    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 Automatic arc welding with non-consumable electrode in a continuous mode, manual argon arc welding with non-consumable electrode (filler or without filler metal), use of combined methods of welding.