供应紫铜黄铜青铜白铜镍铬镉合金纯钛合金制品紫铜类(纯铜):T2.C1100.C11000.无氧铜TU1.C1020.C10200.加磷脱氧铜TP2.C1220.C12200.黄铜类(铜基合金)H96.C2100.C21000.H90.C2200.C22000.H85.C2300.C23000.H80.C2400.C24000.H68A.C2680. C26200.H65.C2700.C26800.H62.C2720.C27400.铝黄铜HAi77-2.C6870.C68700. HAi60-1-1.C6782.C67000.HAi59-3-2.C67800.HAi66-6-3-2.C6872.锡黄铜HSn62-1.HSn70-1AB.