FIELD: metallurgy.
SUBSTANCE: invention relates to production of copper-based alloys to be used for manufacture of coins. Proposed copper-based alloy comprises the following components in wt %: nickel 17.0-23.0; zinc 7.0-9.0; silver 7.0-9.0; indium 7.0-9.0; copper 54.0-58.0.
EFFECT: higher durability, simplified production process.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| COIN MAKING ALLOY | 2013 |
|
RU2537689C1 |
| COPPER-BASE ALLOY | 2012 |
|
RU2502817C1 |
| GOLD-BASED ALLOY | 2009 |
|
RU2391424C1 |
| ALLOY ON BASE OF GOLD | 2008 |
|
RU2366739C1 |
| ALLOY BASED ON GOLD | 2017 |
|
RU2651927C1 |
| ALLOY ON SILVER BASE | 2006 |
|
RU2328539C1 |
| ALLOY ON BASIS OF GOLD | 2008 |
|
RU2382096C1 |
| ALOY ON BASIS OF SILVER | 2009 |
|
RU2371500C1 |
| ALLOY ON BASE OF GOLD | 2006 |
|
RU2331682C1 |
| COPPER-BASE ALLOY | 2012 |
|
RU2496900C1 |
