Fw: [TheForge] Testing forge welds

[Jim Guy]

Thanks!   That helps.  Magnaflux's SpotCheck dye penetrant and developer is 
available in 16 oz spray cans.  I'll give that a try.


Jim and Patty Guy


----- Original Message ----- 
From: "Rome Hutchings" <rome.hutchings at theprairieismygarden.com>
To: "Jim Guy" <jguy1 at ix.netcom.com>
Sent: Sunday, January 07, 2007 1:29 PM
Subject: Re: [TheForge] Testing forge welds


> Jim, the use of dye penetrant is an excellent idea.  I have used Magnaflux 
> to detect
> cracks in anvil faces with good results.  The trick is to let the dye soak 
> for the max.
> amount of time, then clean the excess dye as recommended, this means 
> really clean.
>
> When doing the prep. cleaning this too is very important as it will affect 
> the end result.
>
> If you get these first two steps correct you will get good results when 
> you apply the
> developer.  Do not over apply the developer, a nice even coat to the point 
> of the
> surface being wet and stop.  As the developer dries, it draws the 
> penetrant out
> of all the flaws and shows as purple in the drying developer.
>
> Dye penetrants are the preferred method for this type of inspection, as 
> opposed to
> wet fluorescent or dry mag particle testing.  The ultimate testing is 
> radiography or
> X-Ray.  If you can find a local API or ASME testing outfit, they might be 
> interested
> in helping you just because it is an unusal testing opportunity.  These 
> outfits commonly
> test welds on API 650 tanks and ASME pressure vessels
>
> I hope this helps, my experience with these processes are work related.
>
> Rome Hutchings
> The Prairie Forge
> 13633 Ferman Ave NW
> Clearwater, MN 55320
> (763) 878-1694
>
> ----- Original Message ----- 
> From: "Jim Guy" <jguy1 at ix.netcom.com>
> To: "Sponsored by ABANA" <theforge at mailman.qth.net>
> Sent: Sunday, January 07, 2007 8:49 AM
> Subject: [TheForge] Testing forge welds
>
>
> Anybody have experience using dye penetrants to evaluate the quality of 
> forge welds? I have a couple of weld samples I've cut in half and 
> polished. I've been reading about Magnaflux's "Spotcheck" dye penetrant 
> and I'm thinking about getting some to see how complete the weld is.  I 
> attended David Tucciarone's forge welding class at John C. Campbell a 
> while back and have to do a guild demo and think this would make for 
> interesting demo props.
>
>
>
>
> Jim and Patty Guy
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