Composition: Sn = 88% Sb = 8% Cu =4%
Properties: i) It is silvery white, soft metal alloy. ii) It has very low coefficient of friction. iii) It has very high corrosion and wear and tear resistance. iv) It can take high polish. v) It does not tarnish easily vi) It distributes the load uniformly.
Uses : i) It is used for making engine bearing. ii) It is also used as a common bearing metal in cast iron boxes.