Some more anodizing, went out very nice too:
Also I tried to nickel-coat (chemical, electroless). First removed old coating, which was very easy, only some caustic soda (10%) on night and the steel is clean. After you have to use two different baths, cleaning and acid cleaning until it comes into the Nibor (brand) bath with contains all the chemicals and the nickel-Boron.
Here is the result:
