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

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. More

Fig. 13 Effects of stress-relieving treatments on brittle fracture characteristics of welded and notched wide plate specimens. (a) Effect of mechanical stress relieving. (b) Effect of thermal stress relieving. See Fig. 12 for explanations of curves QST and UVW. Source: Ref 24 More

Fig. 13 Effects of stress-relieving treatments on brittle fracture characteristics of welded and notched wide plate specimens. (a) Effect of mechanical stress relieving. (b) Effect of thermal stress relieving. See Fig. 12 for explanations of curves QST and UVW. Source: Ref 19 More

Fig. 5 Effects of cold drawing and of cold drawing and stress relieving on mechanical properties of 1016 steel bars. Dashed curves represent cold-drawn material; solid curves, material cold drawn and stress relieved. All bars were from a single heat. The bars were hot reduced to a diameter More

Fig. 6 Effects of cold drawing and of cold drawing and stress relieving on mechanical properties of 1040 steel bars. Dashed curves represent cold-drawn material; solid curves, material cold drawn and stress relieved. All bars were from a single heat. The bars were hot reduced to a diameter More

Fig. 7 Effects of cold drawing and of cold drawing and stress relieving on mechanical properties of 1060 steel bars. Dashed curves represent cold-drawn material; solid curves, material cold drawn and stress relieved. All bars were from a single heat. The bars were hot reduced to a diameter More

Fig. 8 Effects of cold drawing and of cold drawing and stress relieving on mechanical properties of 8630 steel bars. Dashed curves represent cold-drawn material; solid curves, material cold drawn and stress relieved. All bars were from a single heat. The bars were hot reduced to a diameter More

Fig. 20 Effect of draft and stress-relieving temperature on the tensile properties of cold-drawn carbon steel bars. Solid curves are for bars given a normal draft; dashed curves are for bars given a heavy draft. More

Fig. 21 Effects of stress-relieving or drawing temperature on the (a) tensile strength and (b) yield strength of cold-drawn and stress-relieved bars and on hot drawn bars of 1144 steel. Bars, all from the same heat of steel and approximately 25 mm (1 in.) in diameter before drawing, were More

Fig. 6 Effect of stress relieving on corrosion rate of type 347 stainless steel in boiling 65% HNO3. All stress-relief treatments lasted 2 h. More

Fig. 8 Effects of the stress-relieving temperature and time at relaxation temperature on the residual stress in a high-strength gray iron containing alloys that assist in retaining strength at elevated temperatures. Courtesy of the American Foundry Society. Source: Ref 7 More

Fig. 1 Effects of stress relieving on tensile strength and hardness of gray iron. Gray iron bars, 30 mm (1.2 in.) in diameter, were stress relieved for 6 h at 650 °C (1200 °F) in a car bottom furnace approximately 13 × 4 × 3 m (42 × 13 × 9 ft); total furnace time was 43.75 h. More

Fig. 2 Effect of stress-relieving temperature on hardness of gray irons. Bar specimens 30 mm (1.2 in.) in diameter were held for 1 h at indicated temperatures and then air cooled. Iron Composition, % TC (a) CC (b) Si Cr Ni Mo A 3.20 0.80 2.43 0.13 0.05 0.17 B More