I-beam, also known as steel beam (English name Universal Beam), is a long steel bar with an I-shaped cross section. I-beams are divided into ordinary I-beams and light I-beams. So what are the I-beam specifications? The following editors will introduce you:
I-beam is mainly divided into ordinary I-beam, light I-beam and wide flange I-beam. According to the height ratio of flange to web, it is divided into wide, medium and narrow wide flange I-beams. The specifications of the I-beam produced by the former two are 10-60, that is, the corresponding height is 10cm-60cm. At the same height, the light I-steel has narrow flanges, thin webs and light weight. The wide flange I-beam is also called H-beam. The cross section is characterized by two legs parallel and no slope inside the legs. It is an economical section steel, which is rolled on a four-high universal rolling mill, so it is also called "universal I-beam". Ordinary I-beams and light I-beams have formed national standards.
I-beam specifications are expressed by height × thickness × waist thickness, and the main size of the specification can also be expressed by numbers. For example, I-beam No. 18 means an I-beam with a height of 18 cm. If the I-shaped steel is the same height, it can be indicated by adding angle code a or b or c after the number, such as 36a, 36b, 36c, etc. It is divided into ordinary I-beam, light I-beam and wide flange I-beam. According to the height ratio of flange to web, it is divided into wide, medium and narrow wide flange I-beams. The specifications produced by the former two are 10-60, that is, the corresponding height is 10cm-60cm.
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