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Author Topic: EASY CARBON SCALE REMOVAL?  (Read 611 times)

Offline kansas stik man

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EASY CARBON SCALE REMOVAL?
« on: April 16, 2012, 09:39:00 PM »
i have been forging some blades and when i am happy with final shape i anneal them but when i pull them out there is scale on them. whats the best way to remove the scale for working the blade.
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Offline Emmons

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Re: EASY CARBON SCALE REMOVAL?
« Reply #1 on: April 16, 2012, 10:19:00 PM »
A over night soak in vingar will remove most of it.
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Offline akaboomer

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Re: EASY CARBON SCALE REMOVAL?
« Reply #2 on: April 16, 2012, 10:21:00 PM »
I soak them in Hydrocloric Acid for a while. What that leaves comes off on a wire brush wheel. Lots of guys just grind them. So I have also forged them a little thick and used an angle grinder with a flap disc before I move on to profiling the blade.

Chris
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Offline gables

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Re: EASY CARBON SCALE REMOVAL?
« Reply #3 on: April 17, 2012, 11:55:00 AM »
I have not tried it but some people soak the blade in bisodium sulfate. I bought some and it was labelled as PH decreaser. Here are a couple of threads from the ABS forum that might help.

I do use a snagging wheel, a cone shaped grinding stone, on my angle grinder as mentioned in the below grinding thread. I got my from Supergrit abrasives.


 http://www.americanbladesmith.com/ipboard/index.php?/topic/460-controlling-scale/

 http://www.americanbladesmith.com/ipboard/index.php?/topic/369-grinding-belts-time-savers/
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Offline kbaknife

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Re: EASY CARBON SCALE REMOVAL?
« Reply #4 on: April 17, 2012, 09:03:00 PM »
Sodium bisulfate.
Not Bisodium sulfate.
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Offline madness522

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Re: EASY CARBON SCALE REMOVAL?
« Reply #5 on: April 18, 2012, 07:10:00 AM »
I use an old 36 or 60 grit belt and grind it off.
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Barry Clodfelter
TGMM Family of the Bow.
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