If talking about a watch case then yes that is correct for thicker areas but any thin sections will be fully hardened and very brittle, also areas like case back threads will probably be messed up...
Type: Posts; User: murkeywaters
If talking about a watch case then yes that is correct for thicker areas but any thin sections will be fully hardened and very brittle, also areas like case back threads will probably be messed up...
To harden a basic steel with little carbon content you would need some case hardening powder like Kasenit, essentially you heat the steel a bit brighter than cheery red and drop it in and cover with...