C91300锡青铜
C91300锡青铜化学成分:
铜含量79~82%,
锡含量18.3~20.0%,
铅含量0.25%
锌含量0.25%
铁含量0.15%
锑含量0.20%
镍+钴含量0.50%
硫含量0.05%
磷含量1.0%
铝含量0.005%
硅含量0.005%