SBQ Steel Making
Charter Steel transforms scrap and recycled materials into premium carbon and alloy rod and wire products in coil and cut-length bar formats. Our first SBQ steel bars were produced in 2019, but Charter’s steelmaking approach has been evolving for 45 years, continually exploring new programs, processes and practices to produce the cleanest, highest-quality steel for high-stress applications.
Electric Arc Furnace (EAF)
Our steelmaking process begins with carefully controlled melting of recycled material from shredded automobiles, railroad scrap, busheling and other machine shop scrap. We utilize electric arc furnace (EAF) technology which offers significant benefits over traditional blast furnace processes, including increased flexibility and reduced energy requirements, production times and carbon footprint.
Melt Controls
Melted steel is refined as needed to meet customer specifications (e.g., adding alloys to provide desired performance characteristics). Vacuum Oxygen Degassing removes unwanted gasses such as nitrogen and hydrogen that could cause defects in the finished steel and end applications. When optimal chemistry and consistency is achieved, molten steel is cast into billets.
Rolling
Rolling is the process of shaping squared billets into wire round or round bar. At Charter Steel, we utilize KOCKS 3-roll block systems uniquely designed for twist-free rolling of high-quality special-grade steel products. Committed to optimizing accuracy and consistency, we were the first SBQ steel producer to run two KOCKS block systems back-to-back for optimal size control.
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