The basic classification of channel steel istwo types, one is ordinary channel steel, and the other is light channel steel,and the general channel steel specifications are 5-40 #. The specifications ofhot rolled modified channel steel provided by suppliers and buyers are 6.5-30#. Channel steel is mainly used in building structures, vehicle manufacturingand other industrial structures and fixed cabinets. Channel steel is also oftenused with I-beams.
According to the shape, channel steel can bedivided into four types: cold-rolled equilateral channel steel, cold-rolledunequal channel steel, cold-rolled internal pressure channel steel, andcold-rolled external rolled channel steel. According to the steel structuretheory, they should be channel steel wings The force, that is, the channelshould stand, not squat.
The basic situation requires the use of goodwelding, riveting performance and comprehensive mechanical properties. The rawmaterial billet of the channel steel is carbon steel or a low alloy steelbillet having a carbon content of not more than 0.25%. The finished channelsteel is hot-formed under normal or hot-rolled conditions: the specificationsare expressed by waist height (h) * leg width (b) * waist circumference (d),such as 100 * 48 * 5.3, which means that the groove height is 100 mm and theleg width It is 48 mm, and the waist is 5.3 mm thick. Steel or 10 # channelsteel. If the waist height is the same, if there are many different leg widthsand waist thicknesses, you need to add abc on the right side of the model todistinguish it, such as 25 # a25 # b25 # c.
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