Powder material of FMK-845

Designation

Name The value
Designation GOST Cyrillic ФМК-845
Designation GOST Latin FMK-845
Transliteration FMK-845
By chemical elements PCuCo-845

Description

Powder material of FMK-845 is used: for the manufacture of parts intended for operation in disc brakes paired with brands ceramics FMK-11, MV-50A and PMK-79.

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
Hard alloys, ceramic-metal products and metal powder В56 OST 1 90115-74

Chemical composition

Standard C Mn Cr Si Ni Fe W
OST 1 90115-74 4.5-6 0.6-1.4 0.2-1 1.8-2.6 0.8-1.4 Rest 0.4-1
Fe is the basis.

Technological properties

Name The value
Particularities of production of goods Frames parts with metal-ceramic friction material brand of FMK-845 shall be manufactured of steel grade 20KH3MVF (ЭИ415) - according to GOST 20072, grade 30Х2ГСНВМА (ВЛ1-D) - on the other 14-1-711-73 and steel grade 20 group 1 and 2 according to GOST 16523.
Properties of the cermet Properties FMK-11 when paired with the metal stamps FMK-845: Coefficient of friction - 0,241-309; Stability coefficient of friction not less than to 0.72; the wear Intensity of metal - not more than 22,0 MK/brake; wear of FMK-845 - 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 - 65-100. Properties MV-50 when paired with the metal stamps FMK-845: Coefficient of friction - 0,330-404; the stability of the coefficient of friction is not less than 0.70; the wear Intensity of metal - not more than 16.0 µg/brake; wear of FMK-845 - not exceeding 12.0 ág/brake; Rockwell Hardness (ball diameter 1,588 mm at a load of 60 kg) of metal to the machining - 65-100. Properties FMK-79 when paired with the metal stamps FMK-845: Coefficient of friction - 0,300-400; the stability of the coefficient of friction of not less than 0,65; the wear Intensity of metal - not more than 16.0 µg/brake; wear of FMK-845 - not exceeding 12.0 ág/brake; Rockwell Hardness (ball diameter 1,588 mm at a load of 60 kg) of metal to the machining - 65-100.