Bronze yog ib yam khoom siv hlau hauv peb lub neej. Nws Ameslikas hu ua tooj liab-tin alloy. Tab sis nyob rau hauv kev lag luam, tooj liab alloys muaj txhuas, silicon, txhuas, beryllium, manganese thiab lwm yam ntaub ntawv hlau. Tube fittings ua los ntawm tin bronze, aluminium bronze, silicon bronze, txhuas bronze. Bronze tubes tuaj yeem muab faib ua ob pawg: lub siab ua tiav bronze hlab thiab cam khwb cia tooj liab. Cov bronze raj fittings no tuaj yeem siv rau qhov chaw uas muaj kev sib txhuam los yog xeb hauv kev lag luam xws li cov khoom siv tshuaj thiab cov khoom hnav-tiv taus.