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Round steel is classified as hot rolled, forged and cold drawn. Carbon steel can be divided into low carbon steel, medium carbon steel and high carbon steel according to its chemical composition. According to the use can be divided into carbon structural steel, carbon tool steel.
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Rebar is the common name of hot rolled ribbed steel bar; According to the purpose of the rebar is classified into ordinary reinforcement and concrete reinforcement. According to the appearance, it is divided into belt reinforcement and light round reinforcement; Ribbed bars usually have or do not have longitudinal ribs.
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Hot rolled square steel refers to the steel whose width and height are the same. It is mainly used in steel structure manufacturing, machinery manufacturing, automobile industry, mining machinery, hoisting machinery and other industrial materials. So the other side of the steel requirements are strict, square steel annealing treatment is a very strict process. In order to eliminate and improve the previous process of the arrangement of defects and residual stress, avoid deformation, cracking; Softening steel for cutting, refining grain, improving mechanical properties of workpiece; And prepare for the next step. When the temperature is lower than a certain temperature value, the hot rolled square steel will become brittle and its impact absorption work will decrease significantly.
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Stainless steel round steel belongs to the profile class, which refers to the uniformly round and straight section, generally about 6 meters long. According to the production process is divided into hot rolling, forging and cold drawing three kinds; According to the surface delivery state can be divided into light circle and black rod. Light circle: refers to the smooth surface after cold rolling, peeling or cold drawing polishing treatment; Black rod: refers to the round steel without treating the oxide layer on the surface after direct hot rolling, forging or annealing process.
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Different concepts C-section steel is processed by hot coil plate cold bending, thin wall and light weight, excellent section performance, high strength, compared with the traditional channel steel, the same strength can save about 30% of the material. Channel steel is hot rolled production, directly supplied by the steel plant, and the thickness of the larger, the section shape of the groove shaped strip of steel.
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Different concepts C-section steel is processed by hot coil plate cold bending, thin wall and light weight, excellent section performance, high strength, compared with the traditional channel steel, the same strength can save about 30% of the material. Channel steel is hot rolled production, directly supplied by the steel plant, and the thickness of the larger, the section shape of the groove shaped strip of steel.
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