Special Bar Quality (SBQ), or "engineering steels", is a steel type or grade that is utilized in the manufacturing of components, especially in safety-critical components, that are in motion that require a superior surface. Components include, but are not limited to: Gears; Shafts; Axels; Drive Trains; Suspensions
Round and square steel stock that has been forged to increase hardness, strength, and durability. Forged steel's internal structure provides a greater ability to withstand wearing and warping.
Round and square steel stock that has not received any finishing or treatment of any kind after casting.