Best Way To Blue Steel? Cold Blue, Hot Blue or Rust Bluing.
20:03
Black Zinc Plating in the Home Shop
21:44
Triple-T #82: Hot salt bluing / blackening for knives
6:29
How to Turn Steel Black - All you need to know about Bluing
11:14
1 Hour Red Rust Bluing
15:01
Rust Removal by Chelation
17:12
Case Hardening 101 - Heat Treatment Oversimplified
10:01
Cold Bluing... Perma Blue vs Brownells Oxpho Blue
14:09