J.Z,...---...,.-,--..,----r-----,

Figure 84 S-N curves of commercial lead (Pb-O.025% Sb-O.046% Sn-Q.OOI % As-0.OO2% Zn-O.OO6% Cu-O.OOI % Ag-Q.02% Si-traces of Cd) and Pb-O.l % Sb0.1 % Sn-Q.08% As [2,97]. (Courtesy of Springer Verlag, New York.)