Search Results for hot rolling

Fig. 16.2 Recrystallization during hot rolling More

Fig. 3(a) Austenite grain coarsening during reheating and after hot rolling for a holding time of 30 min. Titanium contents were between 0.008 and 0.022% Ti. More

Fig. 2.7 Hot rolling aluminum plate. (a) Four-high mill. (b) Multiple passes. (c) Thick plate product More

Fig. 8-42 The influence of hot rolling variables on the effect of primary ferrite grain size on the yield strength of Nb-containing steels. (Adapted from K.J. Irvine, A Comparison of the Bainite Transformation with Other Strengthening Mechanisms in High-Strength Structural Steel, Steel More

Fig. 8-43 Schematic illustration of the hot rolling process used for structural steels. The width of the cross-hatched area is an indication of the plate thickness. (Adapted from J.K. Baird and R.R. Preston, in Processing and Properties of Low Carbon Steel , The Metallurgical Society More

Fig. 8.24 Schematic diagram of stages in hot rolling and associated changes in austenitic grain structure. Source: Ref 8.40 More

Fig. 5.15 (Part 1) Deformation of manganese sulfide inclusions during hot rolling. (a) and (b) Semikilled resulfurized low-carbon steel (type I sulfides present in ingot. 0.13C-0.01 Si-1.11Mn-0.28S-0.003Al-0.0290 (wt%). (a) Rolled at 900 °C, reduced 8×. Unetched. 250×. (b) Rolled More

Figure 8.30: Rolled cross-sections obtained from hot rolling of angle iron. From top left, the original cross section is formed, then split into a two-legged shape. The three butterfly passes in the second column involve formation of an excessive apex angle and reduction of leg thickness More

Fig. 2 Recrystallization during hot rolling. Source: Ref 2 More

Fig. 9.10 Hot rolling converts slab material into a single longer piece that can be coiled at an intermediate-thickness hot band. Courtesy of Timet More

Fig. 1 Microstructure of hot-rolled AISI 1022 steel showing severe banding. Bands of pearlite (dark) and ferrite were caused by segragation of carbon and other elements during solidification and later decomposition of austenite. Etched in natal. 250×. Source: Ref 1 More

Fig. 12.12 Decarburization in hypoeutectoid steels. (a) 0.6% C hot-rolled bar. 0.55C-0.08Si-0.60Mn (wt%). Normalized. Picral. 250×. (b) 0.2% C hot-rolled plate. 0.24C-0.02Si-0.80Mn (wt%). Normalized. Picral. 250×. More

Fig. 13.7 Hot rolled multiphase steel C = 0.2%, Mn = 1.5%, Si = 1.5%. Ferrite, pearlite, and the constituents shown in Fig. 13.8 . Etchant: nital 3%. Courtesy of C. S. Viana, EEIMVR-UFF, Volta Redonda, RJ, Brazil. Source: Ref 5 More

Fig. 13.14 (Part 1) Microstructural evolution of a dual phase steel hot rolled, cold worked, and subjected to austenitization inside the critical zone for the times and temperatures indicated in (a), (b), and (c). Etchant: LePera. Martensite: light; ferrite: gray; pearlite: dark. (d), (e More

Fig. 13.14 (Part 2) Microstructural evolution of a dual phase steel hot rolled, cold worked, and subjected to austenitization inside the critical zone for the times and temperatures indicated in (a), (b), and (c). Etchant: LePera. Martensite: light; ferrite: gray; pearlite: dark. (d), (e More

Fig. 14.1 Longitudinal cross sections near mid-thickness of hot rolled structural steel plates with various yield strengths in the range between 310 and 450 MPa (45 and 65 ksi). Equiaxial ferrite and fine pearlite. The volume fraction of pearlite is in the range of 25–30% for all plates More

Fig. 14.3 Higher magnification of pearlite in hot rolled steels of Fig. 14.1 (steel with yield strength of 310 MPa, or 45 ksi). Pearlite with lamellar spacing that can be resolved in the optical microscope. The apparent lamellar spacing of pearlite in micrographs depends on the angle between More

Fig. 14.4 Longitudinal cross sections near mid-thickness of hot rolled structural steel plates quenched and tempered to different yield strengths in the range of 480 to 700 MPa (70 to 100 ksi). (a) Widmanstätten ferrite or tempered bainite with carbides. Martensite was not formed in this steel More

Fig. 15.5 AISI 52100 steel hot rolled and annealed at 820 °C (1510 °F) for 2 h followed by slow cooling (10 °C/h, or 18 °F/h) to 690 °C (1275 °F), followed by air cooling. Pearlite with a network of cementite in the prior-austenitic grain boundaries. Stage (1) in Fig. 15.5(a) . Etchant: pre More

Fig. 16.10 AIS 430A steel hot rolled. Elongated ferrite grains. Presence of fine precipitates, possibly carbides. Etchant: Vilella. Courtesy of C. S. Viana, EEIMVR-UFF. Volta Redonda, RJ, Brazil. Source: Ref 8 More