Brass ke motsoako oa koporo o nang le zinki e le ntho e ka sehloohong ea tlatsetso, e nang le 'mala o mosehla o motle' me ka kakaretso e bitsoa koporo.Copper-zinc binary alloy e bitsoa koporo e tloaelehileng kapa koporo e bonolo.Brass e nang le li-yuan tse fetang tse tharo e bitsoa koporo e khethehileng kapa koporo e rarahaneng.Li-alloys tsa koporo tse nang le zinki tse ka tlase ho 36% li entsoe ka tharollo e tiileng 'me li na le thepa e ntle ea ho sebetsa e batang.Mohlala, koporo e nang le zinki ea 30% hangata e sebelisoa ho etsa mekotla ea likulo, e tsejoang ka hore ke brass ea bullet casing kapa tse supileng-tharo.Li-alloys tsa koporo tse nang le zinki pakeng tsa 36 le 42% li entsoe ka tharollo e tiileng, eo hangata e sebelisoang ke koporo e tšeletseng-nne e nang le zinki ea 40%.E le ho ntlafatsa thepa ea koporo e tloaelehileng, likarolo tse ling li atisa ho eketsoa, ​​​​tse kang aluminium, nickel, manganese, tin, silicon, lead, joalo-joalo Aluminium e ka ntlafatsa matla, boima le ho hanyetsa ha kutu ea koporo, empa ho fokotsa polasetiki; kahoo e loketse lipeipi tsa condenser tse kenang leoatleng le likarolo tse ling tse sa jeng.Tin e ka ntlafatsa matla a koporo le ho thibela ho bola ha metsi a leoatle, kahoo e bitsoa koporo ea metsing 'me e sebelisetsoa thepa e futhumatsang ea likepe le li-propeller.Loto e ntlafatsa machinability ea koporo;koporo ena e sa lefelloeng e atisa ho sebelisoa likarolong tsa ho shebella.Hangata li-castings tsa koporo li sebelisoa ho etsa li-valve le lisebelisoa tsa liphaephe, joalo-joalo.

Boronse qalong e bua ka li-alloys tsa koporo-tin, 'me hamorao li-alloys tsa koporo ntle le koporo le cupronickel li bitsoa bronzes,' me hangata li fuoa lebitso la ntho ea pele e kenyelletsoeng pele ho lebitso la boronse.Boronse ea tin e na le thepa e ntle ea ho lahla, e thibelang khohlano le thepa e ntle ea mochini, 'me e loketse bakeng sa ho etsa li-bearings, li-worm gears, likere, joalo-joalo. Boronse ea loto ke thepa e jereng e sebelisoang haholo bakeng sa lienjine le li sila.Aluminium bronze e na le matla a phahameng, e hanyetsanang le ho roala hantle, 'me e sebelisetsoa ho lahlela lisebelisoa tse boima, lihlahla, li-propellers tsa marine, joalo-joalo. liliba le lintho tse amanang le motlakase.Boronse ea Beryllium e boetse e sebelisoa ho etsa lisebelisoa tse sa cheseng tse sebelisoang merafong ea mashala le libakeng tsa polokelo ea oli.