GEP19980739BGEAP1993985AGEAP1993000985AGEP19980739BGE P19980739 BGEP19980739 BGE P19980739BGE AP1993985 AGEAP1993985 AGE AP1993985AGE AP1993000985 AGEAP1993000985 AGE AP1993000985AGE P19980739 BGEP19980739 BGE P19980739B
Authority
GE
Georgia
Prior art keywords
copper alloy
antimony
tin
nickel
phosphorus
Prior art date
Application number
GEAP1993985A
Inventor
Vladimer Malishev
Guram Gzirishvili
Vladimer Birkadze
Luarsab Dvali
Original Assignee
Luarsab Dvali
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Luarsab DvalifiledCriticalLuarsab Dvali
Priority to GEAP1993985ApriorityCriticalpatent/GEP19980739B/en
Publication of GEP19980739BpublicationCriticalpatent/GEP19980739B/en
This invention refers to metallurgy and can be used in electrical engineering for the production of electrical contacts. Technical result of the invention is to produce copper alloy having great erosion resistance and is characterized with strength at welding. Copper alloy compising nickel, tin, phosphorus additionally contains aluminum and antimony at the following proportion of the components (mass, %) Nickel 0,002-0,04 Tin 0,002-0,02 Phosphorus 0,002-0,01 Aluminium 0,05-0,12 Antimony 0,002-0,06 Copper the remaining