What does "I-beam 125A" mean?
The same height of the I-beam, if there are several different leg width and waist thickness, need to add a, B, C on the right side of the model to distinguish, such as 32a, 32B, 32c and so on.
Should be I25a, the representative is I-beam, the height of the cross section is 250mm, a stands for the same height, 250 times there are thickness differences, grades are divided into a, B, C
The specifications are expressed in terms of waist height (H) * leg width (b) * waist thickness (d), such as "work 160*88*6", which means that the waist height is 160 mm, the width of the leg is 88 mm, and the waist thickness is 6 mm. The specifications of I-beam can also be expressed by type. The number of centimeters is indicated by the model, such as "work 16", which means waist height is 16cm.
I-beam, also called steel girder, is a long strip steel with cross section.