Alloy, MK-403

  • 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 МК-403
    Designation GOST Latin MK-403
    Transliteration MK-403
    By chemical elements CuCo-403

    Description

    Alloy MC-403 is used: for the manufacture of friction pads intended for operation in friction units of machines and transfer devices operating in the oil when sliding speed up to 45 m/sec and pressure on the friction surfaces up to 45 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 Fe Cu Zn Pb
    TU 14-1-1291-75 3-5 Rest 9-11 6-10
    Cu is the basis.
    In the sintered material MK-403 according to TU 14-1-1291-75, in addition to the above components, graphite is present in an amount of 1.0-3.0% and talc in the amount of 4.0-8.0%.

    Technological properties

    Name The value
    Microstructure On the other 14-1-1291-75 the microstructure of the sintered material is a solid solution of zinc in copper with inclusions of graphite, talc, iron, lead, 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 15-55 kg/mm2.