According to the different smelting quality of steel, section steel is divided into ordinary section steel and high-quality section steel. Ordinary section steel is divided into large section steel, medium section steel and small section steel according to the current metal product catalog. Ordinary section steel can be divided into I-beam, channel steel, angle steel, round steel, etc. according to its cross-sectional shape.
Large section steel: In large section steel, I-beam, channel steel, angle steel, and flat steel are all hot-rolled. In addition to hot-rolling, round steel, square steel, and hexagonal steel are also forged, cold-drawn, etc.
I-beam, channel steel, and angle steel are widely used in industrial buildings and metal structures, such as factories, bridges, ships, agricultural machinery vehicle manufacturing, transmission towers, and transportation machinery, and are often used in conjunction. Flat steel is used in construction sites as bridges, house frames, fences, power transmission vessels, vehicles, etc. Round steel and square steel are used as various mechanical parts, agricultural machinery accessories, tools, etc.
Medium-sized section steel: Medium-sized section steel is medium-sized, grooved, angular, round, and flat steel, and its uses are similar to those of large-sized section steel.
Small section steel: Small section steel consists of angle, round, square and flat steel. Its processing and use are similar to those of large section steel. Small diameter round steel is often used as construction steel bars.
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