[TheForge] Re: Pickling problem

[Bruce Freeman]

Mike,
I think you're right on the money.  A needle scaler
would be perfect for this.  But I don't have one...

Better to prevent the problem in the first place.  I'm
thinking of pickling first to get clean metal then
using some flux other than borax.  I may work in a gas
forge (where I'd have the heat) and use copper wire as
brazing compound.

Bruce
--- Mike Spencer <mspencer at tallships.ca> wrote:

> 
> > Rust + borax + rod flux (which is what?) seems to
> have given a black
> > glass-like compound not very amenable to pickling
> off.
> > ....
> > Anyone have any similar experiences...
> 
> When heated, borax does form a black, glassy, very
> hard to remove
> glop. I've also had a hard time removing flux from
> commercial coated
> brazing rod.  Both adhere so well that pickle
> doesn't get under it
> easily.
> 
> > ... or know what's going on here?
> 
> Got me there.
> 
> If the adhering crap is brittle, maybe turn the cup
> over and hit it
> on the underside with a needle scaler?  That works
> for me cleaning the
> glassy creosote deposits out of my stainless stove
> pipe.  Hammer it
> all over with a needle scaler and it get pretty nice
> and clean inside.
> Unless it's a hot day, in which case the black stuff
> isn't brittle
> enough to flake off.
> 
> 
> - Mike
> 
> -- 
> Michael Spencer                  Nova Scotia, Canada
>       .~. 
>                                                     
>       /V\ 
> mspencer at tallships.ca                               
>      /( )\
> http://home.tallships.ca/mspencer/                  
>      ^^-^^
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