Angle steel commonly known as Angle iron, is perpendicular to each other into angular steel strip. There are equal Angle and unequal Angle. The two sides of an equilateral Angle are equal in width. Angle steel is a carbon structural steel for construction. It is a simple section of section steel. It is mainly used for metal components and the frame of workshop. It is required to have good weldability, plastic deformation and mechanical strength in use. The raw billet for Angle steel production is low carbon square billet, and the finished Angle steel is delivered in hot rolled forming, normalizing or hot rolled state.

Wire rod, also known as wire rod, usually refers to a small diameter round steel disc. The diameter of the wire rod ranges from 5 to 19 mm (usually 6 to 9 mm), the lower limit of which is the minimum size of hot rolled steel section.

Flat steel is steel with rectangular section and slightly blunt edge. Flat steel may be finished steel, or it may be used as blank for welding pipe and thin slab for rolling sheet.

The structural layers of the color coated steel sheet from the inside to the outside are base material(cold rolled steel,galvanized steel), zinc/alzinc coating, chemical conversion coating.primer and finished coating. This kind of plate has novel surface color, strong adhesion, good corrosion resistance and decoration, and good processing performance, and can be cut, bent, drilled, riveted, crimped and so on.

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