Magnesium Mg90

  • Magnesium Mg80
  • Magnesium Mg90
  • Magnesium Mg95
  • Magnesium Mg98

    • Designation

    Name The value
    Designation GOST Cyrillic Мг90
    Designation GOST Latin Mg90
    Transliteration Mg90
    By chemical elements Mg90

    Description

    Magnesium Mg90 applies: for production of pigs intended for the production of alloys of magnesium thermal processes, desulphurization, as a chemical reagent and for other purposes.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 GOST 804-93, TU 1714-008-12014415-96

    Chemical composition

    Standard Mn Si Ni Fe Cu Al Mg Cl
    GOST 804-93 ≤0.03 ≤0.009 ≤0.001 ≤0.04 ≤0.004 ≤0.02 ≥99.9 ≤0.005
    Mg is the basis.
    According to GOST 804-93 the mass fraction of any unspecified impurity should be ≤ 0.010%, the sum of the mass fractions of all impurities should be ≤ 0.10%. At the request of the consumer, magnesium Mg90 is made with a mass fraction of titanium not more than 0.0020%.

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, MPa d5, % HB, MPa
    Magnesium in the state of delivery
    ≥189 ≥250 8-10 ≥50
    - ≥180 15-17 ≥40
    - 85-130 3-6 ≥30

    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
    HB Brinell hardness number

    Physical characteristics

    Temperature Е, HPa r, kg/m3 R, Mr. · m
    20 45 1740 47

    A description of the physical symbols

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