A = Thickness
B = Width


Hot rolled steel flat bar is also referred to as hot rolled rectangular bar. Industrial Metal Supply stocks a wide selection of ASTM A36 steel flat bar, ideal for all your structural steel bar needs. We also offer same day will-call pickup and next day local delivery for easy buying options.

Filter your specifications by thickness, width, and length to narrow your steel flat bar search. If you need help finding the right sized flat bar, please contact us or stop by one of our AZ or CA locations.

Find the HR Steel Flat Bar You Need

 

Hot Rolled Steel Rectangle Bar

With excellent weldability and good formability, hot rolled A36 steel flat bar is ideal for construction, forgings, framing, and more.
  • Hot Rolled ASTM-A36 or ASTM-A569 CQ
Learn more about the differences between hot rolled steel grades.

Hot Rolled Steel Flat Bar Applications

Hot rolled steel flat bar is used in numerous types of industrial applications, including:
  • Truck frames
  • Agriculture equipment
  • Shelving
  • Guard rails
  • Structural support
  • Trailers
  • General fabrication

​Buy Hot Rolled Steel Rectangular Bar Today

As a leading supplier of high-quality steel flat bar products, IMS offers custom cut to size options and advanced metal cutting services with all purchases. We stock a wide range of sizes of steel rectangle bar for your specific project needs. Request a quote or contact one of our Southern California or Arizona locations for more information.