BASE METAL Russian patent published in 2002 - IPC

FIELD: metallurgy and mechanical engineering. SUBSTANCE: proposed base metal designed for manufacturing cast-iron and steel ingots incorporates in its composition silicon, zirconium, iron, and in addition tungsten, aluminum, magnesium, and calcium, proportion of ingredients being as follows, mass percent: silicon 27-35; zirconium 19-38; tungsten 0.3-26; aluminum 3-6; magnesium 2-5; calcium 0.1; iron the rest. Proposed base metal may be used for steel killing, modifying, and alloying, cast-iron modifying and alloying in ingots. EFFECT: improved physical and mechanical properties of steel and cast-iron ingots manufactured. 5 tbl, 2 ex