Alloy 263

Designation

Name The value
Designation GOST Cyrillic 263
Designation GOST Latin 263
Transliteration 263
By chemical elements 263

Description

Alloy 263 is used: for the manufacture of friction pads intended for operation in friction units of machines and transfer 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 Fe Cu Sn Pb
TU 14-1-1291-75 2.8-4.8 Rest 5.4-7.4 3.2-5.2
Cu is the basis.
In the sintered material of grade 263 according to TU 14-1-1291-75, in addition to the above components, graphite in the amount of 5.50-7.50%, silicon dioxide in the amount of 4.70-6.7, titanium boride 0.30-0, 70%.

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 copper with inclusions of graphite, lead, iron, silicon dioxide, titanium boride, 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 20-75 kg/mm2.