Search Results for Cr-Mo steel

Fig. 3.13. Variation of average elongation rate with time to rupture for 1¼Cr½Mo steels ( Ref 91 ). Different symbols denote different temperatures in the range 510 to 620 °C (950 to 1150 °F). More

Fig. 3.24 Globular carbides at the surface of a carburized 1%Cr-Mo steel (reheat quenched). 960× More

Fig. 3.25 Surface film carbide (1 %Cr-Mo steel). 960× More

Fig. 4 Compound zone thickness versus nitriding time for 36H3M 3% Cr-Mo steel plasma nitrided at 530 °C (985 °F) in the atmosphere of 50% nitrogen + 50% hydrogen (upper curve) and 15% nitrogen + 85% hydrogen (bottom curve) based on the experimental data of Marciniak ( Ref 14 ). The graph More

Fig. 7.3. Allowable stress as a function of temperature for commonly used Cr-Mo steels, from Section VIII, Division 1 of the ASME Boiler and Pressure Vessel Code. More

Fig. 2.81 Creep recovery. (a) Test data for Ni-Cr-Mo steel at 450 °C (840 °F). Source: Ref 2.42 . (b) Schematic representation of the phenomenon. Loading produces an immediate elastic strain followed by viscous flow. Unloading produces an immediate elastic recovery followed by additional More

Fig. 3.57 Microstructure of a Ni-Cr-Mo steel held at 565 °C (1050 °F) under a load of 210 MPa (30 ksi), showing (a) initial void formation at the austenite grain boundaries, (b) void linkup, and (c) separation of an austenite grain boundary. 4% picral and HCl etch. 500× More

Fig. 6.11 Globular carbides at the surface of a carburized 1 %Cr-Mo steel (reheat quenched). 960×. Source: Ref 2 More

Fig. 6.12 Surface film carbide (l %Cr-Mo steel). 960×. Source: Ref 2 More

Fig. 10-13 Oil well drilling casting converted from nodular cast iron to a Cr-Mo steel casting because of field failure More

Fig. 7.22. Relationships between stress rupture and time for Cr-Mo steels in hydrogen and in argon at a pressure of 10 MPa (1400 psi) ( Ref 57 ). More

Fig. 3-5 Grooved roll for steel mill of Cr-Mo alloy steel, 120 in. (3048 mm) roll face, 45 in. (1143 mm diameter, 74,940 lb (33,985 kg). Back-up roll suspended from overhead crane weighs 95,000 lb (43,082 kg). More

Fig. 3.21. Effect of specimen diameter on creep behavior of a ½Cr-Mo-V steel tested in air at 675 °C (1245 °F) ( Ref 119 ). More

Fig. 6.4. Continuous cooling transformation diagram for Cr-Mo-V rotor steel ( Ref 15 ). More

Fig. 6.5. Tempering behavior of Cr-Mo-V rotor steel ( Ref 17 ). More

Fig. 6.6. Typical microstructure of Cr-Mo-V rotor steel. (500× shown here at 67%) More

Fig. 6.14. Fatigue-crack-growth rates in Cr-Mo-V steel tested at 0.017 Hz ( Ref 25 ). More

Fig. 5.33 Fatigue curves for a Cr-Mo-V steel. Material reduced four fold and heat treated. Specimen position, longitudinal at 1/2 radius; tensile strength, 1900 MPa. Source: Ref 53 More

Fig. 9.18 (a) Lath martensite in a steel with C < 0.16%, Mo = 0.3–0.6%, Cr = 0.6–1.2%, Cu 0.2–0.5% V ≤ 0.1%V. (b) Plate martensite (with twins) in the high carbon layer of a carburized AISI 4118 steel. TEM. Courtesy of H.-J. Kestenbach, UFSCar, Brazil. More

Fig. 11.38 The evolution of the mechanical properties of a Ni-Cr-Mo-V steel electroslag remelted as a function of the degree of hot working (compare with Fig. 11.37 , obtained with a conventional ingot). Source: Ref 25 More