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Etching with salt?

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  • 2 weeks later...
7 hours ago, chrisski said:

I wonder if this is any steel or a certain alloy?

I saw a video where the guy etched stainless steel as well as regular steel doing testing using this process, so I would guess if the material will conduct electricity and corrode it will most likely etch.

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  • 2 weeks later...

I've been etching with hcl and peroxide onto knives and it's certainly easier to do between  annealing and hardening the steel.

And like Homefire mentioned above, toughest part for me is the etching.

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