A straight steel product whose length is significantly larger than the cross-sectional dimension. Simple sections include round steel, square steel, flat steel, angle steel (the section shape is rectangular, including equal and unequal sides), six angle steel, etc. Complex sections include I (also known as I-beam), H, channel steel, U, T plastic steel, L, rail steel, etc. According to the production mode, it can be divided into hot rolling, cold bending, extrusion section steel, drawing and weld.
Metals -> Steels -> Alloy steels