| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention relates to metallurgy, particularly to compound of alloys on the basis of copper for manufacturing of watchcases, coins, flatware, jewelry. For increasing of free-flowing alloy allows following content, wt %: beryllium 0.01-0.03; silver 3.0-5.0; zinc 6.0-10.0; gold 2.0-3.0; nickel 0.2-0.3; boron 0.01-0.03; copper - the rest. Free-flowing of alloy by spiral test is 430 - 450 mm. ^ EFFECT: increasing of alloy free-flowing. ^ 1 tbl |
