ALLOY ON BASE OF COPPER

摘要

FIELD: metallurgy. ^ SUBSTANCE: alloy has following composition, wt %: tin 13.0-13.5; zinc 7.2-7.8; titanium 0.001-0.002; niobium 3.7-4.1; nickel 1.0-1.5; antimony 0.07-0.11; copper - the rest. ^ EFFECT: raised hardness of alloy. ^ 1 tbl