The channel steel is a long strip steel with a trough-shaped section, which is a section steel with a complicated cross section and a groove shape. To buy channel steel, we must first understand the specification model of channel steel. Today, Xiaobian will give you a comprehensive summary.
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The raw material billet of the channel steel is a carbon steel or a low alloy steel billet having a carbon content of 0.25% or less. The finished channel steel is delivered by thermoforming, normalizing or hot rolling. In the channel specification model table, the waist height (h) leg width (b) waist thickness (d) is expressed in millimeters, indicating that the groove height is 100 mm, the leg width is 48 mm, and the waist thickness is 5.3 mm.
If the waist height is the same and the leg width and waist thickness are different, you need to add bc to the right side of the model. The classification channel can be divided into four types according to its shape: cold-bent equilateral channel steel, cold-bending unequal channel steel. Cold-formed inner channel rolling steel and cold-bending outer rolling channel steel.
