Alloy BMK-1

  • Copper DP-87 (D-87)
  • Solder ПДОл5П7 (ППМОФ 5-5)
  • Alloy MK-5
  • Alloy MK-403
  • Brass LPSv80-1-84 (LSv80-1-84)
  • Brass LPSv80-1-78 (LSv80-1-78)
  • Brass LP80-84 (L80-84)
  • Brass LP80-82 (L80-82)
  • Brass LP80-78 (L80-78)
  • Copper DP-80 (D-80)
  • Alloy BS-1
  • BrCr bronze
  • Bronze BrPO10-86
  • Bronze BrPO10-77
  • Bronze БрА8,5Ж1,5Н5Мц1,5 (БрАЖНМц8,5-1,5-5-1,5)
  • Alloy BMK-1
  • Alloy 263

    • Designation

    Name The value
    Designation GOST Cyrillic БМК-1
    Designation GOST Latin BMK-1
    Transliteration BMK-1
    By chemical elements BeCuCo-1

    Description

    Alloy BMK-1 is used: for the manufacture of friction linings, designed to work in the friction nodes and transmission devices working in conditions of dry friction at sliding speed up to 20 m/sec and pressure on friction surfaces to 35 kg/cm2.

    Note

    Sintered friction material based on copper.

    Standards

    Name Code Standards
    Hard alloys, ceramic-metal products and metal powder В56 TU 14-1-1291-75

    Chemical composition

    Standard Si Fe Cu Zn Sn Pb
    TU 14-1-1291-75 0.75-1.25 3-5 Rest 6-8 7-9 4-6
    Cu is the basis.
    In the sintered material of BMK-1 according to TU 14-1-1291-75, in addition to the specified components, graphite in the amount of 0.75-1.25% is contained.

    Technological properties

    Name The value
    Microstructure On the other 14-1-1291-75 the microstructure of the sintered material is a solid solution of tin and zinc in copper with inclusions of graphite, lead, iron, silicon and then uniformly distributed across the section.
    Particularities of production of goods The hardness of the sintered material on the other 14-1-1291-75 should be in the range of 25-75 kg/mm2.