REFRACTORY IRON BASED CAST ALLOY

摘要

FIELD: metallurgy.SUBSTANCE: alloy contains in wt %: aluminium 18.0-22.0, carbon 1.6-2.0, chromium 3.0-4.0, copper 0.1-0.15, calcium 0.001-0.002, nickel 1.5-2.0, boron 0.05-0.1, silver 0.001-0.002, niobium 0.03-0.05, rest for iron.EFFECT: increased heat resistance of alloy.1 tbl