The colored roller is a technological process of heat treatment of low carbon steel, carried out for its cementation . Surfaces treated with the color pickup method acquire increased hardness and characteristic color in the form of bright colored stains. The process is used to coat some metal surfaces of commercial small arms , mostly expensive hunting rifles . [one]
Content
History
Process Description
The polished steel part is heated in a closed container in a mixture of wood and bone char, then quickly and without air access is placed in a quenching bath.
Literature
- Yuri Maximov. Colored Kalka on domestic rifles. Real or imitation? (Rus.) // Master rifle . - M. , 2010. - № 12 . - p . 60-63 .
Links
- Colored kalka on a firearm . hunter.ru. The appeal date is January 30, 2019.
Notes
- ↑ hunter.ru .