Bronze Brof7-0,2

  • Bronze BrMcO7-3
  • Bronze БрОФ2-0,25
  • Bronze БрОФ4-0,25
  • Bronze БрОФ6,5-0,15
  • Bronze БрОФ6,5-0,4
  • Bronze БрОФ7-0,2
  • Bronze БрОФ8-0,3
  • Bronze БрОЦ4-3
  • Bronze БрОЦС4-4-2,5
  • Bronze БрОЦС4-4-4
  • Bronze БрХ0,3О0,3Цр0,1 (БрХОЦр0,3-0,3-0,1)

    • Designation

    Name The value
    Designation GOST Cyrillic БрОФ7-0,2
    Designation GOST Latin BpOF7-0,2
    Transliteration BrOF7-02
    By chemical elements BaSnP7-0,2

    Description

    Bronze Brof7−0,2 is used: for the manufacture of bars and strips used to manufacture a variety of parts; gears, sprockets; bushings and spacers of heavily loaded machines.

    Standards

    Name Code Standards
    Bars В55 GOST 10025-78
    Non-ferrous metals, including rare, and their alloys В51 GOST 28873-90, GOST 5017-2006

    Chemical composition

    Standard S P Si Ni Fe Cu Al Zn Sn Sb Pb Bi Mg
    GOST 5017-2006 ≤0.007 0.1-0.25 ≤0.005 ≤0.2 ≤0.05 Rest ≤0.002 ≤0.3 7-8 ≤0.002 ≤0.02 ≤0.002 ≤0.007
    Cu is the basis.
    According to GOST 5017-2006, the total content of other impurities (not specified in the chemical composition) should be ≤ 0.10%.

    Mechanical properties

    σU, MPa d10 HB, MPa
    Bars extruded round (40-95 mm) as supplied according to GOST 10025-78
    ≥362.6 ≥55 ≥70
    Round bars, drawn, or cold-rolled (16-40 mm) as supplied according to GOST 10025-78
    ≥392 ≥40 ≥80
    ≥568.4 ≥6 ≥180
    ≥441 ≥15 ≥130
    ≥519.4 ≥10 ≥150

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    d10 Elongation after rupture
    HB Brinell hardness number

    Physical characteristics

    Temperature Е, HPa r, kg/m3 l, W/(m · °C) R, Mr. · m
    20 115 8600 419 170

    A description of the physical symbols

    Name Description
    l Coefficient of thermal conductivity