Search Results for Chromium steel

Fig. 8 End-quench hardenability of (a) 4130, (b) 4140, and (c) high-chromium steels. Source: Ref 10 More

Fig. 2.28 Feather pattern on a single grain of a chromium steel weld metal that failed by cleavage More

Fig. 8.13. Thermal-expansion data for various chromium steels ( Ref 51 ). More

Fig. 7.19 Corrosion rates of chromium steels (0–5% Cr) generated from laboratory tests in H 2 -H 2 S at hydrogen pressures of 12 to 34 atm (175 to 500 psig) as a function of H 2 S concentration and temperature. IPY, inch per year. Source: Ref 48 More

FIG. 7.1 Leon B. Guillet studied high-chromium steels for the first time. More

Fig. 13.2 Oxidation of chromium steels at 1000 °C (1830 °F). Source: Ref 13.3 , p 461 More

Fig. 5 P.A.E. Armstrong, who developed silicon-chromium steels used for gas engine exhaust valves. Source: Thum, 1933 , p 486 More

Fig. 24-20 Isothermal transformation diagram for various 12% chromium steels More

Fig. 3 SAE 5115 (UNS G51150), chromium-manganese low-carbon steel, salt bath nitrided 90 min at 580 °C (1075 °F), oxidizing molten salt quenched. 500×, nital etch. Courtesy of Kolene Corp. More

Fig. 15 Microhardness profiles of EN 19 chromium-molybdenum steel produced by controlled and conventional gas nitriding processes. Source: Ref 5 More

Fig. 3.17 The effect of chromium on the corrosion rate of steel. Source: Ref 3.11 More

Fig. 1 Influence of chromium on the corrosion rate of steel in environments experienced by oil country tubular goods. Test conditions: synthetic sea water; CO 2 partial pressure, 0.1 MPa; test temperature, 60 (C °140 °F); test duration, 150 h; flow velocity, 2.5 m/s; specific volume, 800 mL More

Fig. 61 Effect of chromium content of steel on the depth of oxidation More

FIG. 7.4 Harry Brearley invented the 12% chromium, 0.25% carbon steel used for cutlery by the Sheffield knife manufacturers. More

Fig. 23.10 Microstructure of type 304 stainless steel with chromium carbide precipitation on grain boundaries. ASTM A262 Practice A oxalic acid etch. Scanning electron micrograph. Courtesy of G. Vander Voort, Carpenter Technology Corp., Reading, PA More

Fig. 20 Effect of chromium on corrosion and oxidation resistance of steel. (a) Iron-chromium alloys exposed for 10 years to corrosion and rusting in an industrial atmosphere. (b) Oxidation penetration of ½ inch cubes exposed to air for 48 hours at 1000 °C. Source: Zapffe, 1949 , p 31, 32 More

Fig. 13-14 Effect of vanadium on the hot hardness of chromium hot-work steel with a base composition of 0.33% C, 5% Cr, 0.80% Si, and 1.35% Mo. All specimens were double tempered for 2 h periods. Courtesy of Teledyne VASCO More

Fig. 17-20 Grinding damage on a high-carbon, high-chromium tool steel slitter knife that spalled in service More

Fig. 24-8 Chromium-Molybdenum Steel 4130; Chemical composition. AISI and UNS: Nominal 0.28 to 0.33 C, 0.40 to 0.60 Mn, 0.035 P max, 0.40 S max, 0.15 to 0.30 Si, 0.80 to 1.10 Cr, 0.15 to 0.25 Mo More

Fig. 24-31 End-quench hardenability of nickel-chromium (3130) cast steel More