Cold-formed steel is the main material for making lightweight steel structures. It is made of cold-formed steel plates or steel strips. Not only can its wall thickness be made very thin, but it also greatly simplifies the production process and improves production efficiency. It can produce various profiles with uniform wall thickness but complex cross-sectional shapes and cold-formed steel of different materials that are difficult to produce by ordinary hot rolling methods. In addition to being used in various building structures, cold-formed steel is also widely used in vehicle manufacturing, agricultural machinery manufacturing, etc.
Special-shaped steel includes retaining rings, horseshoe steel, magnetic pole steel, presser foot plate, shallow channel steel, small channel steel, T-shaped steel, ball flat steel, feed dog steel, hot-rolled hexagonal steel, etc. There are also rivet steel, farm tool steel, and window frame steel.
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