Silicon- The Great Influencer In Your Steel And In Your Machine Shop
Silicon plays many roles in steel but its most important is deoxidation; It is detrimental to tool life, machinability and surface quality in low carbon and free machining steels.
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Killed Steel
Steel is killed to improve its soundness and internal structure. Silicon, Aluminum, Niobium, Vanadium, and sometimes Manganese are added to scavenge oxygen in the molten steel.