Fig. 7 Effect of initial stress level and stress-relieving temperature on the percentage of stress that is relieved in one hour at temperature. Courtesy of the American Foundry Society. Source: Ref 6 More

Fig. 3 Effect of stress-relieving temperature on residual stress in gray iron More

Fig. 4 Effect of stress-relieving temperature and time on residual stress in gray iron. Composition of iron: 2.72% C, 1.97% Si, 0.141% P, 0.080% S, 0.51% Mn More

Fig. 5 Effect of stress-relieving time and temperature on degree of stress relief obtained in low-alloy gray irons. Table shows compositions and negligible effect of maximum stress-relieving conditions on hardness. Iron Composition, % Hardness, HRB C Si P S Mn Ni Cr Mo Cu More

Fig. 7 Effect of initial stress level and stress-relieving temperature on the percentage of stress that is relieved in 1 h at temperature. Courtesy of the American Foundry Society. Source: Ref 8 , 9 More

Fig. 3 Effect of stress-relieving temperature on residual stress in gray iron More