3/8″ A36 Hot Rolled Steel Square Bar is a versatile, durable material ideal for welding, fabrication, machining, and general structural applications. Made from A36 carbon steel, this solid bar offers excellent strength, machinability, and a consistent mill finish. Commonly used for brackets, supports, ornamental projects, and custom metal parts, it’s perfect for both professional fabricators and DIY metalworkers.
We offer custom cut lengths, bulk orders, and fast shipping across the U.S. Contact Warrenton Steel at 636-456-8400 for quotes or special requests.
Surface Oxidation Notice: Bare steel products may have surface rust due to natural oxidation during storage and transit. This does not affect material integrity and can be removed by wire brushing, grinding, or chemical treatment.
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