Fig. 5 Recommended designs of high-speed steel tools for shaping steel and cost iron. Dimensions given in inches More

Fig. 16 High-speed steel wear while turning UNS G10080 steel at 200 m/min (660 sfm). Depth of cut was 1.9 mm (0.74 in.), and feed rate was 0.406 mm/rev (0.0160 in.). Source: Ref 10 More

Fig. 22 Average high-speed steel tool wear while machining UNS G11460 steel bars at 40 m/min (130 sfm). Depth of cut was 2 mm (0.08 in.), feed rate was 0.1 mm/rev (0.004 in./rev), and rake angle (α) was 20°. Source: Ref 22 More

Fig. 10 Recommended shapes for carbide and high-speed steel cutting tools used in machining sprayed metal coatings Dimension Carbide High-speed metal a 65–90° 80° b 0° 0 to 15° c 7° 10° d 7° max 7° max e 0–8° max 15° max f 0.79375 mm 0762–1.016 mm More

Fig. 18 Three-point bending strength of conventional M2 high-speed steel at 64 to 65 HRC as affected by degree of hot working and loading direction More

Fig. 5 Superficial carbide enrichment of a water-atomized high-speed steel containing nominally 1.33% C, 4% Cr, 9% W, 3% Mo, 3% V, and 9.5% Co, sintered at 1240 °C (2265 °F) to full density in a vacuum at 0.1 Pa (1.5 × 10 −5 psi) More

Fig. 44 Longitudinal section through directionally solidified high-speed steel (AISI T1) that was cooled at 0.23 K/s from above liquidus. The peritectic envelopes of austenite (gray) around the highly branched dendrites of δ-ferrite (discontinuously transformed to austenite and carbide, dark More

Fig. 45 Longitudinal section through directionally solidified high-speed steel (AISI M2 with 1.12% C and 1% Nb) that was cooled at 0.1 K/s to approximately 1320 °C (2410 °F), that is, 20 K below the onset of the peritectic transformation. Note the thicker layers of peritectic austenite More

Fig. 16 Longitudinal section through directionally solidified high-speed steel (AISI T 1 ) that was cooled at 0.23 K/s from above liquidus. The peritectic envelopes of austenite (gray) around the highly branched dendrites of δ ferrite (discontinuously transformed to austenite and carbide, dark More

Fig. 17 Longitudinal section through directionally solidified high-speed steel (AISI M2 with 1.12% C and 1% Nb) that was cooled at 0.1 K/s to approximately 1320 °C (2410 °F), that is, 20 K below the onset of the peritectic transformation. Note the thicker layers of peritectic austenite More

Fig. 9 Hot hardness (mutual indentation Brinell) of high-speed steel as a function of the temperature of testing. Average results of a series of tests on T1 tool steel. Ref 6 More

Fig. 8 Typical diameter changes during heat treatment for high-speed steel bars. Drawings produced by calculation from precision measurements of diameter. Charts are plots on polar coordinates depicting variations in diameter after heat treatment for a bar that was round within ±1.25 μm before More

Fig. 9 Change in length of cylindrical samples of the high speed steel M2 (HS6-5-2) with D = 20 mm x 140 mm 3 (D = 0.8 x 5.5 in. 3 ) after quenching and tempering at different temperatures. Source: Ref 7 More

Fig. 10 Change in length and width of samples of the high speed steel M2 (HS6-5-2) with 100 x 50 x 10 mm 3 (4 x 2 x 0.4 in. 3 ) after quenching and tempering at different temperatures, (a) longitudinal (= rolling) direction, (b) transversal direction. Source: Ref 7 More

Fig. 11 Change in shape of samples of the high speed steel M2 (HS6-5-2) with 100 x 50 x 10 mm 3 (4 x 2 x 0.4 in. 3 ) after quenching and tempering at different temperatures (schematic), (a) longitudinal (= rolling) direction, (b) transversal direction. Source: Ref 7 More

Fig. 2 Variation of austenite grain size for M2 high-speed steel after hardening at (a) 1160 °C, (b) 1180 °C, (c) 1200 °C, (d) 1210 °C and (e) 1220 °C [etching, nital 10% (8 min) and Villela (20 s)]; (f) austenite grain size measured by Snyder–Graff method. Source: Ref 3 More

Fig. 8 Effect of tempering temperature and time on hardness of M2 high-speed steel More

Fig. 11 The effect of vanadium content of high-speed steel on the grinding time required for the removal of equal volumes of metal with the same type of wheel More

Fig. 14 Two types of high-speed steel end mills used in the profile milling of Waspaloy rings. More

Fig. 7 Temperature distribution in high-speed steel tools in cutting 60/40 brass (a), low-carbon steel (b), and CA 104 aluminum bronze (10% Al, 5% Fe, 5% Ni) (c). The proximity of the high-temperature region to the cutting edge is the reason aluminum bronzes are considered difficult to machine More