
METRIC Series 33 Ap Series Ae Ae DC • mm 33MCR Vc Metric Hardness Ae x DC Ap x DC (m/min) 3 6 8 10 12 16 20 104 RPM 10987 5493 4120 3296 2747 2060 1648 Profile ≤ 0.5 ≤ 1.5 Fz 0.007 0.019 0.034 0.043 0.050 0.067 0.072 CAST IRONS (83-124) ≤ 260 Bhn Feed (mm/min) 237 316 422 422 415 411 356 (HIGH ALLOY) K or Gray, Malleable, 82 RPM 8725 4362 3272 2617 2181 1636 1309 ≤ 26 HRc Ductile Slot 1 ≤1 Fz 0.007 0.019 0.034 0.043 0.050 0.067 0.072 (66-99) Feed (mm/min) 188 251 335 335 330 327 283 24 RPM 2585 1293 969 776 646 485 388 Profile ≤ 0.5 ≤ 1.5 Fz 0.006 0.017 0.028 0.035 0.041 0.054 0.059 SUPER ALLOYS (20-29) (NICKEL, COBALT, ≤ 300 Bhn Feed (mm/min) 48 65 81 65 79 78 68 IRON BASE) or Inconel 601, 617, 625, ≤ 32 HRc 20 RPM 2100 1050 788 630 525 394 315 Slot Incoloy, Monel 400 1 ≤1 Fz 0.006 0.017 0.028 0.035 0.041 0.054 0.059 (16-24) Feed (mm/min) 39 53 66 66 64 64 55 19 RPM 2003 1002 751 601 501 376 301 Profile SUPER ALLOYS ≤ 0.5 ≤ 1.5 Fz 0.005 0.012 0.019 0.024 0.029 0.038 0.043 (NICKEL, COBALT, (15-23) ≤ 400 Bhn Feed (mm/min) 29 36 43 43 43 43 38 IRON BASE) or Inconel 718, X-750, 15 RPM 1583 792 594 475 396 297 238 ≤ 43 HRc Incoloy, Waspaloy, Slot Hastelloy, Rene 1 ≤1 Fz 0.005 0.012 0.019 0.024 0.029 0.038 0.043 (12-18) Feed (mm/min) 23 28 34 34 34 34 30 S 66 RPM 6947 3474 2605 2084 1737 1303 1042 Profile ≤ 0.5 ≤ 1.5 Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 TITANIUM ALLOYS (52-79) Pure Titanium, ≤ 350 Bhn Feed (mm/min) 150 200 250 250 250 250 217 Ti6Al4V, or Ti6Al2Sn4Zr2Mo, ≤ 38 HRc 52 RPM 5493 2747 2060 1648 1373 1030 824 Slot Ti4Al4Mo2Sn0.5Si 1 ≤1 Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 (41-62) Feed (mm/min) 119 158 198 198 198 198 171 23 RPM 2424 1212 909 727 606 454 364 TITANIUM ALLOYS Profile (DIFFICULT) ≤ 0.5 ≤ 1.5 Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 Ti10Al2Fe3Al, (18-27) ≤ 440 Bhn Feed (mm/min) 52 70 87 87 87 87 76 Ti5Al5V5Mo3Cr, or Ti7Al4Mo, 18 RPM 1939 969 727 582 485 364 291 ≤ 47 HRc Ti3Al8V6Cr4Zr4Mo, Slot Ti6Al6V6Sn, 1 ≤1 Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 Ti15V3 Cr3Sn3Al (15-22) Feed (mm/min) 42 56 70 70 70 70 60 56 RPM 5978 2989 2242 1793 1495 1121 897 Profile ≤ 0.5 ≤ 1.5 Fz 0.007 0.017 0.030 0.037 0.043 0.059 0.064 (45-68) TOOL STEELS ≤ 375 Bhn Feed (mm/min) 129 151 201 201 194 198 172 H A2, D2, H13, L2, M2, or P20, S7, T15, W2 ≤ 40 HRc 44 RPM 4686 2343 1757 1406 1171 879 703 Slot 1 ≤1 Fz 0.007 0.017 0.030 0.037 0.043 0.059 0.064 (35-53) Feed (mm/min) 101 118 157 157 152 155 135 Bhn (Brinell) HRc (Rockwell C) rpm = (Vc x 1000) / (DC x 3.14) mm/min = Fz x 3 x rpm reduce speed and feed for materials harder than listed reduce feed and Ae when finish milling (.02 x DC maximum) feed rates listed have chip thinning adjustments included where applicable refer to the SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) 102 END MILLS END MILLS www.kyocera-sgstool.com