Ernie Leimkuhler wrote:

I"m back - 40th year from school - got to see the old guys!

How about metal prep. So many times the welding is just done on this chunk...
No prep info - e.g. use SS on AL or don't use xxx sanding disk on YYY...
Does it matter on surface 'grain' that is ruffed up on a fine weld (TIG mostly..)

How to test for a bad weld.

Martin

--
Martin Eastburn
@ home at Lion's Lair with our computer lionslair at consolidated dot net
NRA LOH, NRA Life
NRA Second Amendment Task Force Charter Founder

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