• zcusn5pb5zn5锡青铜]
    zcusn5pb5zn5锡青铜]

    ZCuSn5Pb5Zn5(5-5-5)铸造锡青铜化学成份:铜Cu:其余锡Sn:4.0~6.0锌Zn:4.0~6.0铅Pb:4.0~6.0磷P:0.05(杂质)Al:0.01(杂质)铁Fe:0.3(杂质

    2023-06-18 8