摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention relates to metallurgy field and can be used for manufacturing of jewellery. For hardening of ally it has a following composition, wt %: copper 5.0-6.0; silver 5.0-6.0; zinc 0.1-0.2; rhodium 5.0-6.0; berillium 0.001-0.002; gold - the rest. Alloy has ultimate strength 600 - 670 MPa. ^ EFFECT: ultimate strength increasing of alloy. ^ 1 tbl |