Search Results for tool steel

Fig. 14 Broaching application. (a) Tool made from P/M high-speed tool steel that was used to produce ball tracks on joint hub. (b) ASP 30 tools produced 20,000 parts compared to 5600 parts by tools made from conventional high-speed tool steel. Courtesy of Speedsteel Inc. More

Fig. 15 Large broaching tool made from P/M high-speed tool steel that was used for broaching involute splines in bores of truck transmission gear blanks. Courtesy of Crucible Materials Corporation More

Fig. 5 Grindability of P/M high-speed tool steel and conventional high-speed tool steel materials. Grindability index is the ratio of the volume of material removed to the volume of grinding wheel wear. More

Fig. 17 Broaching application. (a) Tool made of P/M high-speed tool steel that was used to produce ball tracks on joint hub. (b) ASP 30 tools produced 20,000 parts compared to 5600 parts by tools made from conventional high-speed tool steel. Courtesy of Speedsteel Inc. More

Fig. 18 Large broaching tool made from P/M high-speed tool steel that was used for broaching involute splines in bores of truck transmission gear blanks. Courtesy of Crucible Materials Corporation More

Fig. 21 Turning data for 58 HRC high-speed tool steel cut with a CBN tool having a −6° rake. Depth of cut was 2 mm (0.08 in.), and V C was 1.33 m/s (260 sfm). (a) Metal removal rate plotted against normal force yields the metal removal parameter of 7.0 mm 3 /s, kgf. (b) Power consumption More

Fig. 20 A2 tool steel mandrel for a tube-expanding tool. Fracture originated at a 6.3-mm (0.25-n.) diam hole in the square end that was drilled by EDM. The fractograph shows a crack pattern on the fracture surface that originated at the hole. More

Fig. 31 Type A2 tool steel mandrel for a tube-expanding tool (dimensions given in inches). Fracture originated at a 6.3 mm (0.25 in.) diameter hole in the square end that was drilled by electrical discharge machining. The fractograph shows a crack pattern on the fracture surface More

Fig. 1 Comparison of nonferrous hardfacing alloys to tool steel and carbon steel reference materials using ASTM G 65 low-stress, abrasion test. G 65 test parameters: procedure B; room temperature; 13.6 kg (30 lbf) load; quartz grain sand diameter of 212 to 300 μm; 2000 rev at 200 rev/min; 390 More

Fig. 4 Comparison of nonferrous hardfacing alloys to tool steel and carbon steel reference materials using ASTM G 65 low-stress abrasion test. G 65 test parameters: procedure B; room temperature; 13.6 kg (30 lbf) load; quartz grain sand diameter of 212 to 300 μm; 2000 rev at 200 rev/min; 390 g More

Fig. 21 Tempering curves for H13 tool steel. (a) Plotted at various tempering times. (b) Parametric plot with P = T [16.44 + log ( t )], where T is absolute temperature in degrees Kelvin (K), and t is time in seconds. Source: Ref 26 More

Fig. 22 Dimensional changes that occur in O1 tool steel (Bofors RT 1733) when heat treated at two hardening temperatures and two soak times using two tempering methods: (a) oil quenching and (b) martempering. Specimen dimensions were 100 × 50 × 18 mm (4 × 2 × 0.7 in.). Steel was rolled More

Fig. 5 Hardness of martensite and various carbides in an M2 tool steel. Representative analyses of carbide compositions are shown in the accompanying table. Source: Ref 5 Carbide type Alloying element Composition, % MC C 13.0 Fe 4.0 W 23.0 Mo 14.0 V 43.0 Cr More

Fig. 2 Results of liquid pressure nitriding on AISI type D2 tool steel (composition, 1.55C-0.35Mn-11.50Cr-0.80Mo-0.90V; core hardness, 52 HRC) More

Fig. 13 Extruded T15 tool steel. (a) Wrought. (b) PM. Notice the bands of carbides in the wrought tool steel compared with the uniform dispersion of fine carbides in the PM tool steel. Source: Ref 16 More

Fig. 14 A large cylindrical capsule filled with gas-atomized tool steel powder is placed into a load can containing three identical capsules for HIP processing. A typical HIP cycle for tool steels is to hold at 1100 °C (2050 °F) for 4 h at 105 MPa (15 ksi), during which time the powder More

Fig. 1 Typical salt bath heat treating cycle for a high-alloy tool steel with three soaks, salt bath quenching, and triple tempering More

Fig. 35 Dynamic stripping force as a function of punch wear for tool steel. Hardness: 62 HRB More

Fig. 18 Typical hardnesses for tool steel perforator punches. Regardless of material, punches should be tempered back to 56 to 60 HRC if they are to be subjected to heavy shock or used to pierce thick material. More

Fig. 4 Ductility versus hardness for some press-work tool steel grades. Source: Ref 2 More