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Powder material FMK-8

Designation

Name The value
Designation GOST Cyrillic ФМК-8
Designation GOST Latin FMK-8
Transliteration FMK-8
The chemical elements PCuCo-8

Description

Powder material FMK-8 is used: for the manufacture of parts designed to work in brakes, friction clutches and other friction devices.

Note

Sintered powder material based on iron.
Parts is produced by powder metallurgy, by primechanie to steel base (frame) metal-ceramic friction material.

Standards

Name Code Standards
Solid alloys, metal-ceramic products and powders, metal В56 OST 1 90115-74

Chemical composition

Standard C S Cr Ni Fe Cu W
OST 1 90115-74 5.5-6.5 1.3-2.3 8.5-10.5 23-27 The rest 5-7 5-7
Fe is the basis.

Technological properties

Name The value
Features of production Frames parts with metal-ceramic friction material brand FMK-8 shall be made of steel groups 1 and 2 or GOST 16523, GOST 4041.
Properties of cermets The coefficient of friction of 0, 181-0,254; the stability of the coefficient of friction of at least 0.5; the Intensity of wear of metal - not more than 17,0 MK/brake; the Intensity of wear of cast iron - not more than 6.0 MC/brake; Rockwell Hardness (ball diameter 1,588 mm at a load of 60 kg) of metal to the machining - 63-83.

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