About this document
Blackening and Coating for Fasteners by pawkom is a document available to read on EtoBox.
Blackening of threaded fasteners involves cooling them in an oil emulsion after heat treatment, which allows the oil to penetrate the hot surface and provide corrosion protection. Chemical nickel plating coats components without electricity by depositing a uniform nickel layer, even inside holes. Mechanical coatings involve placing fasteners in a drum with glass beads to deposit metallic particles through drum motion. Guideline values show the expected service life until red rust formation for various surfa
- Author
- pawkom
- Language
- EN