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Hot-rolled steel is the standard name of angle iron.
As to different length between the two side and thickness, steel iron has many standards. If you have any necessary of them, we can produce them for you according to your request.
The most imortant is the functions: It is widely used to all building structure and engineering structure, such as bridges, transmission towers, hoisting and conveying machinery, ships, industrial furnace, reaction tower, container frame and warehouse shelves and so on.
GB/JIS angle iron