美国铜合***号: C11700 C12000 C12100 C12200 C12300 脱氧铜C12500 C12700 C14200 C14500 C14700 C14510 C14710 C14720 纯铜C17510 铍镍铜 C18700含铅铜 C19200 含铁铜合金C19400 C19600 铜铁合金C21000 C22000 C23000 C24000 C26000 C26800 C27000 C27200 C27400 C28000 C31400 C31600 C32000 C33000 C33200 C33500 C34000 C34200 C34500 C35000 C35300 C35600 C36000 C36500 C36600 C36700 C36800 C37000 C37700黄铜 C38000 C38500 铅黄铜 ***0500 ***0800 ***1100 ***1300 ***1500 ***2200 ***2250 ***3000 ***3400锡黄铜