I'm sure that aircraft is a interesting field when you are trying to save weight and still make a long life unit.
The pipe welding stuff we do is all done to the appropriate ASME welding codes.
The bulk of standard pipe is is just schedule 40 or 80 carbon steel welded to a specification.
The food grade stainless and high pressure stuff is very specialized more like the aircraft welding you describe. We have to have weld coupons, weld mapping, welds stamped by the welder and of course record keeping.
I sub some work to a boilermaker and that procedure is a whole nuther can of worms!!!!!
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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