FIELD: metallurgy.
SUBSTANCE: invention relates in particular to the production of special bronze alloys. The composition contains, wt.%: copper - 62.6-67.0, nickel - 2.7-3.2, cobalt - 0.4-0.7, chromium - 0.7-1.0, silver - 18.0-22.0, titanium - 0.2-0.3, boron - 0.2-0.4, aluminium - 1.0-1.3, phosphorous copper - 1.3-1.5, indium - 5.0-7.0.
EFFECT: absence of darkening of jewellery over time.
1 cl
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