[TheForge] A36 vs 1018

[Grant Marcoux]

Bruce:  I would guess that it is calcium carbonate.  I prefer to flux with
anhydrous borax, or better yet, the 1/3 sureweld, 1/3 anti borax and 1/3
anhydrous borax mixture favored by Robb Gunter.  I have found that if the
flux puffs up and falls off, it is not forming a barrier.  The fluffing up
is caused by the moisture in the borax boiling off.

Grant

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net]On Behalf Of Bruce Freeman
Sent: Sunday, February 15, 2009 8:58 PM
To: Blacksmithing List Sponsored by ABANA
Subject: Re: [TheForge] A36 vs 1018


Chuck,
Any idea what that anticaking ingredient IS?  Inquiring minds want to know.

On Sat, Feb 14, 2009 at 3:01 PM, Chuck Robinson <robi5515 at bellsouth.net>
wrote:
> When Bob Patrick worked as a restoration smith, he averaged about 120
forge
> welds per day. Practice makes perfect.
> He also told me that the Borax corp. won't own up to it, but  he finally
> found a chemist at Borax that told him they add an anticaking ingredient
to
> 20 mule team Borax. It tends to inhibit the weld because it melts at a
> higher temperature than the borax and impedes the welding process.
> Chuck
>
>
>
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--
Bruce
NJ

The total lack of evidence is the surest sign that the conspiracy is
working.
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