C steel hot-rolled coil cold-formed processing, thin wall, light weight, excellent performance cross-section, high strength, compared with the traditional channel, the same material strength can save 30%.Z- beam is a common cold-formed steel, the thickness is generally between 1.6-3.0mm, mostly cross-sectional height between 120-350mm. Processing hot rolled material (paint), galvanized. Processing standards according to GB50018-2002. Z steel usually used in large-scale steel plant in. Machining length and holes according to the processing requirements.