About Structural Beams

SteelMart offers two varieties of structural beams: Standard Beams and Wide Flange Beams.

Standard Beams

Also known as Junior, I, or S beams, standard steel beams have tapered flanges that provide excellent load-bearing support.


ST3 x 5.7# through ST12 x 50# 

Length in Feet:

20′ through 60′

Structural Beams

Also known as an H beam or W beam, the non-tapered flanges on wide flange beams provide structural support and are commonly used for framing and as a protective barrier.


W4 through W36

Length in Feet:

Length in feet 20’ – 60’

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