C55180 C55181铜合金

C55180 C55181铜合金C19215 C19220 C19240 C19250 C19260 C19280 C19400 C19410 C19419 C19450 C19500 C19520 C19600 C19700 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

生产的钟表，计时器和有钟表机构的装置，其中大部分的工作部件都用""钟表黄铜""制造。合金中含1.5-2%的铅，有良好加工性能，适合于大规模生产。例如，齿轮由长的挤压黄铜棒切出，平轮由相应厚度的带材冲出，用黄铜或其它铜合金制作搂刻的钟表面以及螺丝和接头等等。大量便宜的手表用炮铜（锡锌青铜）制造，或镀以镍银（白铜）。一些著名的大钟都用钢和铜合金制作。英国""大笨钟""的时针用的是实心炮铜杆，分针用的是14英尺长的铜管。

一个现代化的钟表厂，以铜合金为主要材料，用压力机和精确的模具加工，每天可以生产一万到三万只钟表，费用很低。