® Ap Series Diameter (D1) 51M, 51MCR, Ae Ae (mm) 51ML, 51MLC Vc Metric Hardness Ae x D1 Ap x D1 (m/min) 6 8 10 12 16 20 32 RPM 1696 1272 1018 848 636 509 Profile ≤ 0.1 ≤1 Fz 0.034 0.057 0.071 0.085 0.100 0.110 SUPER ALLOYS (26-38) (NICKEL, COBALT, ≤ 300 Bhn Feed (mm/min) 346 435 434 433 382 336 IRON BASE) or Inconel 601, 617, 625, ≤ 32 HRc 40 RPM 2100 1575 1260 1050 788 630 Series 51  Incoloy, Monel 400 HSM ≤ 0.05 ≤2 Fz 0.046 0.077 0.097 0.120 0.140 0.150 (32-48) Feed (mm/min) 580 728 733 756 662 567 24 RPM 1293 969 776 646 485 388 Profile |  SUPER ALLOYS ≤ 0.1 ≤1 Fz 0.023 0.039 0.049 0.059 0.068 0.077 (NICKEL, COBALT, (20-29) Speed & Feed Recommendations IRON BASE) ≤ 400 Bhn Feed (mm/min) 178 227 228 229 198 179 Inconel 718, X-750, or Incoloy, Waspaloy, ≤ 43 HRc 30 RPM 1616 1212 969 808 606 485 Hastelloy, Rene HSM ≤ 0.05 ≤2 Fz 0.032 0.054 0.068 0.081 0.095 0.110 (24-37) Feed (mm/min) 310 393 396 393 345 320 S 85 RPM 4524 3393 2714 2262 1696 1357 Profile ≤ 0.1 ≤1 Fz 0.023 0.039 0.049 0.059 0.068 0.077 TITANIUM ALLOYS (68-102) Pure Titanium, ≤ 350 Bhn Feed (mm/min) 624 794 798 801 692 627 Ti6Al4V, or Ti6Al2Sn4Zr2Mo, ≤ 38 HRc 108 RPM 5736 4302 3441 2868 2151 1721 Ti4Al4Mo2Sn0.5Si HSM ≤ 0.05 ≤2 Fz 0.032 0.054 0.068 0.081 0.095 0.110 (87-130) Feed (mm/min) 1101 1394 1404 1394 1226 1136 47 RPM 2504 1878 1503 1252 939 751 TITANIUM ALLOYS Profile (DIFFICULT) ≤ 0.1 ≤1 Fz 0.023 0.039 0.049 0.059 0.068 0.077 Ti10Al2Fe3Al, (38-57) Ti5Al5V5Mo3Cr, ≤ 440 Bhn Feed (mm/min) 346 440 442 443 383 347 Ti7Al4Mo, or Ti3Al8V6Cr4Zr4Mo, ≤ 47 HRc 61 RPM 3231 2424 1939 1616 1212 969 Ti6Al6V6Sn, HSM Ti15V3 Cr3Sn3Al ≤ 0.05 ≤2 Fz 0.032 0.054 0.068 0.081 0.095 0.110 (49-73) Feed (mm/min) 620 785 791 785 691 640 Note: TOOLWIZARD®2.1 •  Bhn (Brinell)   HRc (Rockwell C)   HSM (High Speed Machining) •  rpm = (Vc x 1000) / (D1 x 3.14) www.sgstoolwizard.com •  mm/min = Fz x 6 x rpm •  reduce speed and feed for materials harder than listed •  reduce feed and Ae when finish milling (.02 x D1 maximum) •  refer to the KYOCERA SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) www.kyocera-sgstool.com 15