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That time I blew off pipe prep advice and paid for it on a job in Bakersfield
I used to think the old timers were just being dramatic about taking extra time to clean pipe ends before welding. So last month on a job in Bakersfield, I rushed through prepping a 12-inch carbon steel pipe and tacked it up quick. The inspector caught porosity in three spots and made me grind it all out and redo it. Has anyone else learned a hard lesson about skipping steps that seemed like small stuff?
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terry_bailey3528d ago
Funny you mention this, I saw a guy on a job in Odessa last year who bragged about never using a wire wheel on his bevels. His pipe failed hydrotest from slag inclusions. It's not just about cleaning for the visual, that mill scale and thin layer of oxidation can actually trap gas inside the weld puddle. Once that stuff gets hot it basically turns into little pockets of air that blow right through your root pass.
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