C91700锡青铜
C91700锡青铜化学成分:
铜含量84~87%,
锡含量11.5~12.5%,
铅含量0.25%
锌含量0.25%
铁含量0.15%
锑含量0.10%
镍+钴含量1.2~2.0%
硫含量0.05%
磷含量0.30%
铝含量0.005%
硅含量0.005%