Hi and welcome to our site. Looking for structural steel beam definition?
In this chance we started to look at the ABCs of structural steel, which includes angles, beams and channels. In this note we will talk about structural beams. Structural beams are commonly referred to as I-beams or H-beams because of the shape of their cross section.
Beams consist of two flanges which are the flat, horizontal sections of the beam And the web which is the vertical portion connecting the two flanges.
Like structural angle, beams also have a fillet which is the curved angles where the web connects with the flange. Some beams with a wider flange are referred to as W Beams, Universal Beams, or Rolled Steel Joists.
Beams are typically used in construction for structural support. The web provides resistance to shear forces like breaking or collapsing, while the flanges resist bending movements.
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When using a beam for structural applications it is important to have a trained professional determine the size of the beam required to support the load. The important measurements you will need to identify beams are beam depth which is the distance from the top to the bottom of the beam.
Structural Steel Beam Definition Metric
Flange width which is the length of the horizontal flanges. Flange thickness which is the thickness of the flange and the web thickness which is the thickness of the vertical web. In North America steel beams are usually specified using the depth in inches and weight in pounds per foot, which is typically provided. In this case our beam is 8 inches and by using our Metal Reference Guide and measuring the other three dimensions I have determined that this is an 8×35 beam.
For our friends in the UK. Beams are measured differently using metric measurements. They are identified using a code that consists of depth, the flange width, the weight in kilograms per meter and either UB or UC. Indicating if the beam is universal beam or column beam.
So in the UK our beam here would be a 203mm x 203mm x 46kg. Hopefully this article will help you the next time you have a project that requires structural beams.
Stay tuned for the next part in this blog series where we will take a closer look at channel. If you need beam for your next project take a note for detail important to check first, than ask it to supplier. (N.H)
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