On Sat, 18 Oct 2008 08:40:03 -0500, Ignoramus21227
wrote:


So, you make practice welds, and then you try to break them, is that
right?


Also, section the welds. polish or surface grind the sectioned faces, then
etch with 2% nitric acid in alcohol. It will show the penetration very
clearly.

Mark Rand
RTFM