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Forged rounds are round steel bars that have been forged according to process requirements. The specifications can generally reach a diameter of 1500mm in domestic production. Forged materials are formed by impact force, making them suitable for small components or processing of special-shaped steel. Round steel refers to solid long steel bars with a circular cross-section. Their specifications are expressed in millimeters of diameter, such as "50," which indicates a round steel with a diameter of 50 millimeters. Round steel is divided into three types: hot-rolled, forged, and cold-drawn. The specifications for hot-rolled round steel range from 5.5 to 250 millimeters. Among them, small round steel with diameters of 5.5-25 millimeters is mostly supplied in straight bundles and is commonly used as reinforcement bars, bolts, and various mechanical parts; round steel larger than 25 millimeters is mainly used for manufacturing mechanical parts or as raw material for seamless steel pipes. Round steel refers to solid long steel bars with a circular cross-section. Their specifications are expressed in millimeters of diameter, such as "50," which indicates a round steel with a diameter of 50 millimeters. Round steel is divided into three types: hot-rolled, forged, and cold-drawn. The specifications for hot-rolled round steel range from 5.5 to 250 millimeters. Among them, small round steel with diameters of 5.5-25 millimeters is mostly supplied in straight bundles and is commonly used as reinforcement bars, bolts, and various mechanical parts; round steel larger than 25 millimeters is mainly used for manufacturing mechanical parts or as raw material for seamless steel pipes. Differences between round steel and other reinforcement bars: 1. Appearance is different; round steel has a smooth, round surface without patterns or ribs, while other reinforcement bars have patterns or ribs on their surfaces. This results in lower bonding strength between round steel and concrete, whereas other reinforcement bars have higher bonding strength with concrete. 2. Composition is different; round steel (Grade I steel) belongs to ordinary low-carbon steel, while other reinforcement bars are mostly alloy steel. 3. Strength is different. Round steel has lower strength, while other steel has higher strength. That is, for the same diameter, round steel can withstand less tensile force compared to other reinforcement bars. However, round steel has greater plasticity than other reinforcement bars, meaning round steel undergoes significant deformation before breaking, while other reinforcement bars experience much less deformation before breaking. Tags:

Технические характеристики

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