Bronze Brocs4-4-4

  • 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 БрОЦС4-4-4
    Designation GOST Latin BpOTsC4-4-4
    Transliteration BrOTsS4-4-4
    By chemical elements BaSnZnPb4-4-4

    Description

    Bronze Brocs4−4-4 is used: for the manufacture of tapes and bands used for gaskets, bushings and bearings.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 GOST 28873-90, GOST 5017-2006
    Sheets and strips В53 TU 48-21-210-94

    Chemical composition

    Standard S P Ni Fe Cu Al Zn Sn Sb Pb Bi Mg
    GOST 5017-2006 ≤0.007 ≤0.03 ≤0.3 ≤0.05 Rest ≤0.002 3-5 3-5 ≤0.002 3.5-4.5 ≤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 ≤ 0,20%.

    Mechanical properties

    σU, MPa d5, %
    Castings according to GOST 2685-75
    320-360 30-40
    500-600 1-2

    Description mechanical marks

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

    Physical characteristics

    Temperature Е, HPa r, kg/m3 R, Mr. · m
    20 72 9100 90

    A description of the physical symbols

    Name Description
    l Coefficient of thermal conductivity
    R UD. the resistivity