Material Composition and Structure：Copper (Cu) balance, with approximately 11.5%–13.0% tin (Sn) and 1.5%–2.5% nickel (Ni).
Performance and Application Characteristics：Suitable for plain bearings subjected to high contact pressures combined with lateral or impact loads. Typical applications include rolling mill screw-down nuts, heavy-duty vehicle bearings, bimetal bearing shells for internal combustion engines and piston-pin bushings.