Wnr. 2.1090; Alloy CuSn7ZnPb; US C93200;
Areas of application: plain bearings for machine and tool construction; normal and highly stressed bearing bushes; medium-duty sliding plates and strips; Transmission, rocker arm, stuffing and connecting rod bushes; friction rings and discs; ship shaft covers;
Properties: medium hardness and good machinability; good corrosion resistance also in sea water; resistant to non-oxidizing acids and neutral salt solutions; poor weldability; easy to soft solder; medium brazeable and mechanically polishable;
density 8.8 g/cm³; melting point 1035 °С;
thermal conductivity 64 W/m K; electr. conductivity 7.5 MS/m.