The round steel is a solid steel strip with a circular section. The carbon content is less than 1.35%. Except for the iron, carbon and limited amounts of silicon, manganese, phosphorus, sulfur and other impurities, it does not contain any other alloy elements. The following will let the Ji'nan galvanized pipe be made up to bring you a detailed understanding.
The round steel is divided into three kinds: hot rolling, forging and cold drawing. The specification of hot rolled round steel is 5.5-250 millimeter. The small round steel 5.5-25 mm is mostly supplied by straight bar bundles, often used as reinforcing bars, bolts and various mechanical parts.
The advantages of round steel than that of other steels:
1 the outer shape is different, the outer shape of the round steel is round, no rib is not ribbed, and the other steel surface has an engraving or ribs. In this way, the bond force between the steel and the concrete is small, and the other steel and concrete have a big bond force.
The 2 component is different. Round steel (grade I steel) belongs to ordinary low carbon steel, and the other reinforcement is mostly alloy steel.
The 3 strength is different, the strength of the round steel is low and the strength of the other steel is high, that is, compared with the other steel, the round steel can bear smaller tensile force than the other steel, but the plasticity of the round steel is stronger than that of the other steel, that is, the round steel has a larger deion before it is broken, and the steel bar has a much smaller deion before it is broken.
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