H62 mkuwa wamba: imakhala ndi makina abwino, mapulasitiki abwino m'malo otentha, pulasitiki yabwino m'malo ozizira, kumeta bwino, kosavuta kuwotcherera ndi kusungunula, komanso kusagwirizana ndi dzimbiri, koma sachedwa kuwononga ndi kusweka. Kuonjezera apo, ndi yotsika mtengo ndipo ndi mitundu yambiri yamkuwa yomwe imagwiritsidwa ntchito kwambiri.
H65 mkuwa wamba: Magwiridwe ake ali pakati pa H68 ndi H62, mtengo wake ndi wotsika mtengo kuposa H68, ulinso ndi mphamvu zapamwamba komanso pulasitiki, imatha kupirira kuzizira komanso kutentha kwamakasitomala bwino, ndipo imakhala ndi chizolowezi cha dzimbiri ndi kusweka.
H68 mkuwa wamba: ili ndi pulasitiki yabwino kwambiri (yabwino kwambiri pakati pa mkuwa) komanso mphamvu zambiri, kudula bwino, kosavuta kuwotcherera, osagonjetsedwa ndi dzimbiri, koma sachedwa kusweka. Ndiwo mitundu yomwe imagwiritsidwa ntchito kwambiri pakati pa mkuwa wamba.
H70 Ordinary Brass: Ili ndi pulasitiki yabwino kwambiri (yabwino kwambiri pakati pa mkuwa) komanso mphamvu zambiri. Ili ndi makina abwino, ndi yosavuta kuwotcherera, ndipo siimagonjetsedwa ndi dzimbiri, koma imakonda kusweka.
HPb59-1 kutsogolera mkuwa: amagwiritsidwa ntchito kwambiri kutsogolera mkuwa, imadziwika ndi kudula bwino, katundu wabwino makina, akhoza kupirira ozizira ndi otentha kuthamanga processing, zosavuta Shu kuwotcherera ndi kuwotcherera, dzimbiri ambiri ali bata wabwino, koma pali chizolowezi dzimbiri kuphulika.
HSn70-1 tin brass: Ndi mkuwa wa malata wamba. Ali ndi kukana kwa dzimbiri mumlengalenga, nthunzi, mafuta ndi madzi a m'nyanja, ndipo ali ndi zida zabwino zamakina, makina ovomerezeka, kuwotcherera kosavuta ndi kuwotcherera, ndipo atha kugwiritsidwa ntchito pozizira komanso ali ndi mphamvu yogwira ntchito bwino pansi pa kutentha ndipo amakhala ndi chizolowezi chosweka (quaternary cracking).