To encourage etching electricity can be used.
Acid etching stainless steel knife.
As i use mostly cpm154 154cm and aeb l stainless cutlery steel i am looking for a way to darken a blade.
I ve ruined a few knives with the odd drip somewhere it wasn t suppose to be.
Etching is different from engra.
Regular carbon steel acid etches well but stainless is much harder to darken.
Modern knifes are often made from stainless steel and other corrosion resistant materials.
Don t worry 9v is enough.
Same timeline or just feel with the q tip for when the acid starts to bite the steel.
Time tested methods like acid etching and stonewashing are frequently used by major knife manufacturers and with a little practice and around 100 in materials you can use these techniques as well.
This was an experiment to darken stainless steel.
This instructable covers how to etch a knife blade.
The handle on this zero tolerance 0630 is made from finely stonewashed titanium.
Rub the q tip around the stencil working the acid into the steel.