I-beam is also called Universal Beam. I-beam is mainly divided into ordinary I-beam, light I-beam and wide flange I-beam. According to the height ratio of the flange to the web, it is further divided into wide, medium, and narrow width flange I-beams. The specifications produced by the first two are sizes 10-60, with corresponding heights ranging from 10 cm to 60 cm. At the same height, lightweight I-beams have narrow flanges, thin web plates, and light weight. Wide flange I-beam, also known as H-beam, has a cross-sectional feature where the legs are parallel and there is no inclination on the inside of the legs. It belongs to the economic section steel and is rolled on a four high universal rolling mill, so it is also known as the "universal I-beam". Ordinary I-beam and light I-beam have already formed national standards.
Specifications
Its specifications are high × Leg thickness × Waist thickness can also be represented by numbers to indicate the main dimensions of the specification, such as 18 gauge I-beam, which represents an I-beam with a height of 18cm. If the height of I-beams is the same, a corner code a, b, or c can be added after the number to indicate it, such as 36a, 36b, 36c, etc.
I-beams are widely used in buildings or other metal structures.