TZr0.15 TCr4.5-2.5-0.6高精度銅板帶C19710 C19720 C19750 C19800 C19810 C19900 C19910 C20500 C21000 C22000 C22600 C23000 C23030 C23400 C24000 C24080 C25000 C25600 C26000 C26100 C26130 C26200 C26380 C26800 C27000 C27200 C27400 C27450 C27451 C27453 C28000 C28200 C28300 C28310 C28320 C28330 C28500 C28580 C29800 C31000 C31200 C31400 C31600 C32000 C32500 C32510 C33000 C33100 C33200 C33500 C33530 C34000 C34200 C34400 C34500 C34700 C34800 C34900 C35000 C35300 C35330 C35340 C35350 C35600 C36000 C36010 C36200 C36300 C36500 C36600 C36700 C36800 C37000 C37100 C37700 C37710 C37800 C38000 C38010 C38500 C38510 C38590 C38600 C40400 C40410 C40500 C40800 C40810 C40820 C40850 C40860 C40900 C41000 C41100 C41110 C41120 C41300 C41500 C41900 C42000

鉍或鉛與銅生成低熔點(diǎn)共晶，使銅產(chǎn)生熱脆；而脆性的鉍呈薄膜狀分布在晶界時(shí)，又使銅產(chǎn)生冷脆。磷能顯著降低銅的導(dǎo)電性,但可提高銅液的流動(dòng)性,改善焊接性。適量的鉛、碲、硫等能改善可切削性。紫銅退火板材的室溫抗拉強(qiáng)度為22～25公斤力/毫米2,伸長率為45～50%，布氏硬度（HB）為35～45。

純銅導(dǎo)熱系數(shù)為386.4 w/(m.k).

紫銅的用途比純鐵廣泛得多，每年有50%的銅被電解提純?yōu)榧冦~，用于電氣工業(yè)。這里所說的紫銅，確實(shí)要非常純，含銅達(dá)99.95%以上才行，很少量的雜質(zhì)，特別是磷、砷、鋁等，會(huì)大大降低銅的導(dǎo)電率。主要用于制作發(fā)電機(jī)﹑母線﹑電纜﹑開關(guān)裝置﹑變壓器等電工器材和熱交換器﹑管道﹑太陽能加熱裝置的平板集熱器等導(dǎo)熱器材。銅中含氧(煉銅時(shí)容易混入少量氧)對(duì)導(dǎo)電率影響很大，用于電氣工業(yè)的銅一般都必須是無氧銅。另外，鉛、銻、鉍等雜質(zhì)會(huì)使銅的結(jié)晶不能結(jié)合在一起，造成熱脆，也會(huì)影響純銅的加工。