C17300 ,C1720 ,铍铜批发C17500 ,C17510,铍铜批发  C18700 ,C19200,铜铁合金 C19400 ,C19600,铜铁合金C21000, C22000 ,黄铜板批发 C23000 ,C24000,黄铜板批发 C26000 ,C26800,黄铜板批发C27000, C27200,黄铜板批发C27400 ,C28000,黄铜板批发 C31400 ,C31600,黄铜板批发C32000 C33000黄铜板批发 C33200 C33500黄铜板批发 C34000 C34200黄铜板批发C34500 C35000黄铜板批发C35300 C35600黄铜板批发C36000 C36500黄铜板批发C36600 C36700黄铜板批发C36800 C37000黄铜板批发C37700 C38000黄铜板批发C38500 C40500黄铜板批发C40800 C41100黄铜板批发C41300 C41500黄铜板批发C42200 C42250黄铜板批发C43000 C43400黄铜板批发C44300 C44400黄铜板批发C44500 C46200黄铜板批发C46400 C46500黄铜板批发C46600 C46700黄铜板批发C48200 C48500黄铜板批发C50500 C51000 磷铜批发C51100 C52100 磷铜批发C52400 C53200 磷铜批发C53400 C54400 磷铜批发C60600 C60800磷铜批发 C61000 C61300 C61400 C61900 C62300 C62400 C63000 C693200 C64200 C64210 C64700 C65100 C65500 C65800 C66100 C66400 C66700 C67000 C67500 C68700 C68800 C69400 C69000 C69430 C69440 C69700 C69710 C69720 C69730 C69450 C69400 C70400 C70600 C71000 C71500 C71640 C72200 C72200 C72500 C73200 C73500 C74000 C74500 C75200 C76200 C77000 C75700 C76400 C77400 C79200 C83600 C83800 C84200 C84400 C84800 C85200 C85400 C83450 C85700 C85800 C86200 C86300 C86400 C86500 C86700 C87300 C87400 C87500 C87800 C87900 C90300 C90500 C90700 C90800 C91000 C91100 C91300 C91600 C91700 C9220 C92300 C92500 C92700 C92800 C92900 C93200 C93400 C93500 C93700 C93800 C93900 C94000 C94100 

铜镍硅合金 C64700，C18000 硅青铜 铜镍硅 C64700，C18000 
CuNi2Si CuNi3Si CuNi2CrSi CuSi3Mn 
 CHN GB ：QSi1-3 ASTM C64700， BS DTD 498，CuNi2Si，CuNi3Si，DIN 2.0855 2.0857 
CHN GB ：QSi3-1， ASTM C65500，C65800， BS CS101，CuSi3Mn， DIN 2.1525 
应用： 是适当反弹机器和仪器的配件和各种各样的建筑的重要电弧焊接材料

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