Four ways to bend metal beams, tubes and pipes

Even as a youngster, we were all bending metal. You might have been bending metal paper clips, or even your parents' cutlery. Or you might have preferred forming pipe-cleaner animals. Or it might have thrilled you to bend the toothpaste tube (They were metal back then, weren't they?). One thing is for sure, any metal you bent as a child was not the steel beams or tubes support a stadium roof or a roller coaster.

As adults, we rely on curved steel beams, pipe, tubes, and angles in everything from a simple park bench to spiral staircases to some parts of modern skyscrapers. Visit any airport or museum built in the past couple decades and count the number of curved metal structures you find.

Have you ever wondered how they do it? I mean, how can y View the rest of this article


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