Steel billet is a primary product obtained by casting the steel water produced by a steelmaking furnace, typically in the form of slabs (for making plates), blooms (for making sections, wire rods), and billets (for making tubes). It serves as an important semi-finished product in the iron and steel industry with good ductility and workability. Steel billets can be used as raw material for downstream processes, and through processing techniques such as rolling, forging, and drawing, can be transformed into finished steel products of various specifications and shapes, such as steel plates, steel pipes, and steel bars. These products find application in areas like construction, machinery manufacturing, shipbuilding, and automobile manufacturing. Bearing steel billet is the primary form used for the manufacture of high-precision bearings, primarily made of high-carbon chromium steel material. Its chemical composition typically includes carbon (0. 95% to 1.1%), chromium (1.3% to 1.65%), and small amounts of manganese, silicon, phosphorus, and sulfur. This combination endows bearing steel with excellent mechanical and heat treatment properties, including high hardness, high wear resistance, and good dimensional stability.
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