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I Forge Iron

De-rusting with vinegar


arkie

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There have been several discussions on the merits (or demerits) of simply using vinegar to remove rust from steel.  I finally got around to shooting some before and after photos of VERY rusty horseshoes that I needed to de-rust to show how effective, simple and easy it is.  I do this all the time; cleaned up 13 horseshoes this go-round.

These had been laying around in the wet dirt for who-knows how long.  I wire brushed the loose stuff off with my anvil wire brush, removed any nails then covered them with regular white vinegar in a plastic bucket.  They soaked for a couple of days then I neutralized them with a weak baking soda solution, rinsed with water and dried.  I buffed the shoes with the wire wheel on a bench grinder and they shine like a new silver dollar (wish those were still silver...).

 

 

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Ayup, nice before and after pics. Vinegar is an excellent derusting chemical, it's been used I don't know how long, probably since we discovered iron.

Have you tried the same treatment using diluted 50% Naval Jelly soak.  Neutralize and rinse if you don't want a flat black "Parkerized" patina on the finished piece. No need to brush off the rust flakes first either but it leaves an interesting texture.

Frosty The Lucky.

 

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Did you try it as a diluted soak? As a paint on rust treatment it works entirely differently. Soak or paint on the finish is quite different from vinegar. I use vinegar a lot myself, it works a treat.

Frosty The Lucky.

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Might help, can't hurt, more than the price of a small bottle of Naval Jelly.

I discovered the surfacants and the thickener make it work better than dilute phosphoric acid. Phosphoric acid is the active ingredient in Naval Jelly.

Frosty The Lucky.

 

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7 minutes ago, arkie said:

Hey, Frosty....I just realized why the Naval Jelly wasn't working for me!!!!!!  I was putting it in my navel !! :o

You are one DIFFERENT kind of guy Arkie I usually have to explain to guys that Naval Jelly isn't the . . .stuff they pick OUT of their navels. :rolleyes:

Frosty The Lucky.

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Speaking of citrus....citric acid also works to remove scale.  It's commonly sold here amongst the canning supplies, comes in powder form.  I have mixed it with warm water and left items to soak overnight in it, did a great job.  Pull from the bath, scrub off the scale lightly with a scouring pad, done.  I've used it when I was out of my go-to vinegar.   

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