Search Results for oil quenching

Fig. 6.21 Case hardenabilities of a number of carburizing steels with oil quenching. Source: Ref 1 More

Fig. 18 AISI O1 tool steel that cracked during oil quenching. Note the cracks emanating from the sharp corners. The four holes, which are close to the edge, also contribute to cracking. Source: Ref 16 More

Fig. 19 Fixture made from AISI O1 tool that cracked during oil quenching. The design is poor for liquid quenching. Source: Ref 16 More

Fig. 5 Case hardenabilities of a number of carburizing steels with oil quenching More

Fig. 2-124 Oil-quenching half drum fixtures. Weight of castings 579 and 840 lb (263 and 381 kg) More

Fig. 5 Tempering curves for carburized and oil-quenched and carbonitrided and oil-quenched steels. Source: J.L. Dossett, Midland Metal Treating Inc., Personal research, 1992 Temperature Hardness, HRC °C °F 8620 carburized steel 8620 carbonitrided steel 1018 carbonitrided steel More

Fig. 7.13 Tempering curves for carburized and oil-quenched and carbonitrided and oil-quenched steels. Source: J.L. Dossett, Midland Metal Treating Inc., personal research, 1992 More

Fig. 11.2 Quench cracks formed in oil-quenched tool steel die. Cracks originated from the sharp corners of the keyway and from holes that were located too close to the surface. More

Fig. 6.8 Effect of section size and carbon content on the strength of oil-quenched 3%Ni-Cr carburizing steels 832M13 and 655M13. Source: Ref 1 More

Fig. 7.1 Effect of tempering temperature on the mechanical properties of oil-quenched 4340 steel bar. Single-heat results: ladle composition, 0.41C-0.67ΔMn-0.023ΔP-0.018ΔS-0.26ΔSi-1.77ΔNi-0.78ΔCr-0.26Mo; grain size, ASTM 6 to 8. Critical points: Ac 1 , temperature at which austenite begins More

Fig. 12 AMS 6470 steel with 0.15 to 0.35% Pb added, oil quenched from 900 °C (1650 °F), tempered 2 h at 605 °C (1125 °F), surface activated in manganese phosphate, and gas nitrided 30 h at 525 °C (975 °F). Structure is a white layer of Fe 2 N and a matrix of tempered martensite. 2% nital. 400× More

Fig. 15 4140 steel, oil quenched from 845 °C (1550 °F), tempered 2 h at 620 °C (1150 °F), surface activated in manganese phosphate, and gas nitrided 24 h at 525 °C (975 °F). Structure is white layer of Fe 2 N, Fe 3 N, and Fe 4 N, and tempered martensite. 2% nital. 400× More

Fig. 67 A batch-graphite integral oil quench vacuum furnace with vacuum carburizing capability More

Fig. 2-9 Example of the microstructure of bainite in an oil quenched 0.47% C steel. The details of the structure are best revealed by the higher resolution scanning electron micrograph (b), where the carbide particles appear white in a grayer ferrite background. More

Fig. 10 Three-chamber cold-wall vacuum oil-quench furnace. Source: Ref 7 More

Fig. 12 A batch-graphite integral oil-quench vacuum furnace with vacuum-carburizing capability. Source: Ref 9 More

Figure 6-17 Fracture grain size ratings of oil-quenched samples of AISI 01 tool steel samples after austenitizing at progressively higher temperatures. SEM fractographs and microstructures at 250 × (picral etch). More

Fig. 12 Influence of tempering temperature on Brinell hardness of five oil-quenched unalloyed and alloyed gray irons for 1 hour tempering. Composition of irons given in table. Source: Ref 18 Iron Composition, wt% Quenching temperature Total C Si Mn Ni Cr Mo °C °F More

Fig. 13 Centerline cooling curves for oil-quenched steel bars of varying section sizes, assuming a surface heat-transfer coefficient of 0.019 cal s –1 °C –1 cm 2 More

Fig. 12.11 Cooling curve measured in the ISO 9950 test using an oil quench bath More