Square Bar

Southside Steel stocks square bar at a variety of sizes and lengths.  All our steel square bar is available in stock lengths or cut to length. Email us about our custom fabrication processes for square bar including miter cutting, welding, bending and much more.

Steel Square Bar Specs: ASTM-A36

Available Finishes: Stainless, Aluminum, Hot Rolled Steel and Cold Rolled Steel (Cold Drawn C-1018)

  • Uses: Residential and commercial structural construction, steel framing, forgings, automotive products, ornamental pieces, handrail pickets, etc.
  • Know the numbers: Square bar is a solid square steel bar which only has one dimension which is the outside diameter of the material. Example: 3/8” square bar is 3/8” outside diameter.
  • NOTE:   In Hot Rolled Steel, the thinnest available square bar is 3/8”, while the largest is 2”.  In Cold Rolled Steel, the thinnest available square bar is 1/8”, while the largest is 2”.

Available Stock Sizes: 10ft and 20ft lengths for Hot rolled and 12ft lengths for cold rolled, or custom cut to any length.