The difference between I-beam i40a and i40b
The difference between I-beam i40a and i40b:I40b is thicker than grade i40a i-beam.I40 class a weighs 67. 598 kg per metre.I40b 73 - 878 kg weight per meter.
The two weights differ. I40a weighs 67.6kg per metre; i40b weighs 73.9kg per meter.I-beam is also called steel girder (UniversalBeam). It is a strip of steel with an I-shaped section. I-beam is made of ordinary I-beam and light i-beam. It is a section steel whose shape is trough.
Both legs vary widely in width and waist. The leg width and waist thickness of i40a were 142 and 10.5 respectively, and the leg width and waist thickness of i40b were 144 and 12.5 respectively.
