C90800锡青铜
C90500锡青铜标准:(GB/T5231-2001)
化学成分:
铜含量85~89%,
锡含量11.3~13.0%,
铅含量0.25%
锌含量0.25%
铁含量0.15%
锑含量0.10%
镍+钴含量0.8%
硫含量0.05%
磷含量0.03%
铝含量0.005%
硅含量0.005%