Brass bụ ọla kọpa alloy nwere zinc dị ka ihe mgbakwunye bụ isi, nke nwere agba odo mara mma ma na-akpọkọta ya dị ka ọla.A na-akpọ ọla abụọ ọla kọpa-zinc ọla kọpa nkịtị ma ọ bụ ọla dị mfe.Brass nwere ihe karịrị yuan atọ ka a na-akpọ brass pụrụ iche ma ọ bụ ọla dị mgbagwoju anya.Alloys bras nwere ihe na-erughị 36% zinc bụ ihe ngwọta siri ike ma nwee ezigbo ọrụ oyi.Dịka ọmụmaatụ, a na-ejikarị ọla kọpa nwere 30% zinc emepụta casings bullet, nke a na-akpọkarị brass bullet casing ma ọ bụ ọla asaa na atọ.Ihe mejupụtara ọla kọpa nwere ọdịnaya zinc n'etiti 36 na 42% mejupụtara yana ngwọta siri ike, nke a na-ejikarị eme ihe bụ ọla isii na anọ nwere ọdịnaya zinc nke 40%.Iji meziwanye ihe onwunwe nke ọla kọpa nkịtị, a na-agbakwụnye ihe ndị ọzọ, dị ka aluminum, nickel, manganese, tin, silicon, lead, wdg. ya mere ọ dabara adaba maka ọkpọkọ condenser na akụkụ ndị ọzọ na-eguzogide corrosion.Tin nwere ike imeziwanye ike nke ọla na nguzogide corrosion nke mmiri oké osimiri, n'ihi ya, a na-akpọ ya brass naval, a na-ejikwa ya maka ngwá ọrụ ọkụ na ụgbọ mmiri.Lead na-eme ka ọrụ ọla kọpa dịkwuo mma;a na-ejikarị brass a na-egbutu onwe ya eme ihe na akụkụ elekere.A na-ejikarị ihe nkedo ọla eme valvụ na ọkpọkọ ọkpọkọ, wdg.

Bronze na mbụ na-ezo aka na ọla kọpa-tin alloys, ma emesịa ọla kọpa na-abụghị brass na cupronickel ka a na-akpọ bronzes, a na-enyekarịkwa aha nke ihe mbụ agbakwunyere n'ihu aha ọla.Tin bronze nwere ezigbo nkedo Njirimara, mgbochi esemokwu Njirimara na ezi n'ibu Njirimara, na adabara n'ichepụta bearings, worm gia, gia, wdg Lead ọla bụ a ọtụtụ-eji na-amị ihe maka oge a engines na grinders.Aluminom bronze nwere ike dị elu, ịdị mma na-eguzogide ọgwụ na nguzogide corrosion, a na-ejikwa ya maka ịkwanye ngwongwo dị elu, bushings, propellers mmiri, wdg Beryllium bronze na phosphor bronze nwere oke na-agbanwe agbanwe na ezigbo eletrik eletrik, ma dị mma maka ịmepụta nkenke. isi iyi na ihe kọntaktị eletrik.A na-ejikwa bronze Beryllium emepụta ngwá ọrụ ndị na-adịghị ekpo ọkụ bụ́ ndị a na-eji n'ebe a na-egwupụta coal na ebe a na-adọba mmanụ.