A na-akpọ eriri Cupronickel nke e ji ọla kọpa mee ihe nke nwere nickel dịka ihe bụ isi e ji agbakọta ihe. A na-akpọ eriri copper-nickel nke e ji ọla kọpa-nickel mee ihe nke nwere ihe atọ dịka zinc, manganese, aluminum, wdg. Zinc-nickel-nickel, manganese-nickel-nickel, na aluminum-nickel-nickel strips nke a. A na-akpọ copper-nickel alloy nke nwere ezigbo nguzogide corrosion, ike ọkara, ike dị elu, a pụkwara ịhazi ya site na nrụgide ọkụ na oyi.
E kewara eriri ọla ọcha ahụ ụzọ ise: eriri ọla ọcha nkịtị, eriri ọla ọcha ígwè, eriri ọla ọcha manganese, eriri ọla ọcha zinc na eriri ọla ọcha aluminom
Mpempe ọla kọpa ọcha nkịtị nwere akara alloy anọ dịka B0.6, B5, B19, na B30. Ndị a na-ejikarị eme ihe bụ B19 na B30, e nwekwara akara ndị ọzọ na usoro ọkọlọtọ America. Mpempe ọla kọpa ọcha ahụ bụ ihe ngwọta siri ike na-aga n'ihu nke Cu na Ni mepụtara, yana lattice cubic nke dị n'ihu, dịka egosiri na Foto 1-18. Mgbe okpomọkụ dị ala karịa ogo 322, eserese nkebi ọla kọpa-nickel nwere mpaghara okpomọkụ mejupụtara nke mmebi metastable, na-agbakwunye ihe nke atọ dịka Fe, Cr, Sn, Ti, Co, Si, Al na alloy Cu-Ni wdg., nwere ike ịgbanwe nhazi, oke okpomọkụ na ọnọdụ nke mmebi metastable, ma nwee ike imeziwanye ụfọdụ ihe onwunwe nke alloy ahụ. Efere ọla kọpa ọcha nkịtị nwere ezigbo ọrụ oyi na ọkụ. Enwere ike ịhazi ya nke ọma n'ụdị dị iche iche dịka efere, mpempe akwụkwọ, tubes, mkpanaka, ọdịdị, na waya. Arụmọrụ ịgbado ọkụ dị mma, enwere ike iji ya maka brazing dị nro na siri ike, ịgbado ọkụ arc nke gas na ịgbado ọkụ, wdg.; Arụmọrụ ịchacha bụ 20% nke ọla kọpa HPb63-3 nke na-egbutu n'efu. Efere ọla kọpa ọcha nkịtị nwere ezigbo iguzogide nchara, ike ọkara, ike dị elu, enwere ike ịhazi ya site na nrụgide ọkụ na oyi, yana ezigbo ihe onwunwe eletriki. Na mgbakwunye na iji ya dị ka ihe owuwu, ọ bụkwa ihe dị mkpa maka iguzogide elu na thermocouple alloy.