Gerdau is the leading producer of long steel in the Americas, and one of the largest suppliers of special long steel in the world. Gerdau Certified AccuCaliber gun barrel quality carbon and alloy steels are the first choice for all major firearms manufacturers in North America. Gerdau steel provides superior performance for gun barrel drilling, reaming and machining as well as less distortion during processing. Gerdau provides alloy, heat treatment, and dimensional requirements tailored to each customers needs.