I-beam, as the name suggests is a cross-section of”workers " shape of long steel, English name: Universal Beam.The I-beam is divided into ordinary I-beam and light I-beam.
Common I-beam and light I-beam airfoil Root to the edge gradually thinning, there is a certain angle, common I-beam and light I-Beam model is to use its waist-high number of centimeters in Arabic numerals: waist (h) × leg width (b)×waist thickness (d), for example:100*68*4.5 that means waist 100mm, leg width 68mm, 4.5 mm thick waist I-beam.
Ordinary I-beam specifications can also be represented by models, models represent the waist high number of centimeters, such as 10#, said waist 100mm, leg width 68mm, 4.5 mm thick waist I-beam.Waist the same I-beam, if there are several different leg width and waist thickness, the need to add a b c to distinguish the right side of the model, such as 20a, 20b,etc., hot-rolled ordinary I-beam specifications for 10-63#.
I-beam is mainly used in a variety of building structures, vehicles, bridges, machinery and so on.