What's the difference between C-beam, channel beam and I-beam? Which is better, performance or security?

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U section steel

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I-steel

All belong to the category of section steel, just have a look.

shape

You can tell the difference. According to the shape and actual needs of the portal frame, we should use all kinds of steel flexibly, not to say which steel is used to make the portal frame with better performance and higher safety.