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Bending pipe question

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发表于 2021-9-1 00:39:45 | 显示全部楼层 |阅读模式
I recently purchased a pipe from Lowes from the metal closet organizer department.  I plan on putting an offset of about 3" in the pipe to allow for a privacy screen in our RV to not interfere with a door.The problem is, after I purchased it, I realized it is a seamed pipe.  Can this thing be bent without busting the seam or should I take it back and go to the steel supply place and get an unseamed piece?  This one is pre-painted white, that's why I went with it to start with.BTW, I have a floor mounted Clarke bender from TSC.Thanks!
Reply:wicrules- The seam is welded, right? If so it should bend fine.
Reply:That may work fine, but I'm unsure how well the paint will hold up to the bending. I had a similar situation in my wifes closet in an old house, I needed to bend the pipe at a 90, to return it to the wall. I went into the electrical section, got a section of electro-galvanized EMT, using a bender that was there beside the EMT, bent it right there in the store. Not as prety as white paint, but stands up well to use.Just my  opinion, not from a book, just from the road.Howes Welding Inc.www.howesweldinginc.com
Reply:I can't tell if the seam is welded or not.  The outside is smooth, so I'm assuming it is.  But who says they didn't just fill it full of filler before they painted it.
Reply:A seamed pipe means they rolled a flat piece of sheet stock into a pipe and welded it together.  The seam will be smothe on the surface but will have a little bit of metal hanging down on the inside from the welding process.  Almost every pipe you'll ever find has a seam, you'll only see seamless pipe in applications with superheated steam pipes and applications that see cycling loads where the seam might act as a stress riser and initiate a crack.
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