Metallus Inc. manufactures and sells alloy steel, carbon steel, and micro-alloy steel products in the United States and internationally. Its offerings include special bar quality (SBQ) bars, seamless mechanical tubes, precision steel components, and billets used in gears, axles, crankshafts, oil country drill pipes, bearing races, fuel injectors, wind energy shafts, artillery and mortar bodies, and other applications. The company serves the automotive, energy, industrial equipment, mining, construction, rail, aerospace and defense, heavy truck, agriculture, and power generation sectors. Formerly known as TimkenSteel Corporation, it changed its name to Metallus Inc. in February 2024; it was founded in 1899 and is headquartered in Canton, Ohio.