Steel rod size standards

The size standards of steel rods cover steel rods of different shapes and sizes, including round steel, square steel, flat steel, hexagonal steel, octagonal steel, etc. These standards mainly involve cross-sectional shape, size, weight and allowable deviations, length and allowable deviations, and appearance. For example, the diameter of hot-rolled round steel ranges from 5.5mm to 380mm, the side length of square steel ranges from 5.5mm to 300mm, the thickness of flat steel ranges from 3mm to 60mm, the width ranges from 10mm to 200mm, and the distance between opposite sides of hexagonal steel ranges from 8mm to 300mm. 70mm, the opposite edge distance of octagonal steel is 16mm to 40mm. In addition, there are dimensional standards for specific applications such as rod mill steel rods, which may vary depending on the specific application needs and manufacturing process. For example, rod mill steel rods have various diameters, such as 60mm, 80mm, 100mm, etc., and will have specific hardness requirements, length tolerances, straightness requirements and detection methods.

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