
FRACTIONAL Series 33 Ap Series Ae Ae DC • in 33CR Vc Fractional Hardness Ae x DC Ap x DC (sfm) 1/8 1/4 3/8 1/2 5/8 3/4 1 340 RPM 10390 5195 3463 2598 2078 1732 1299 Profile ≤ 0.5 ≤ 1.5 Fz 0.0003 0.0008 0.0016 0.0021 0.0026 0.0027 0.0029 CAST IRONS (272-408) ≤ 260 Bhn Feed (ipm) 9.4 12.5 16.6 16.4 16.2 14.0 11.3 (HIGH ALLOY) K or Gray, Malleable, 270 RPM 8251 4126 2750 2063 1650 1375 1031 ≤ 26 HRc Ductile Slot 1 ≤1 Fz 0.0003 0.0008 0.0016 0.0021 0.0026 0.0027 0.0029 (216-324) Feed (ipm) 7.4 9.9 13.2 13.0 12.9 11.1 9.0 80 RPM 2445 1222 815 611 489 407 306 Profile ≤ 0.5 ≤ 1.5 Fz 0.0003 0.0007 0.0013 0.0017 0.0021 0.0022 0.0024 SUPER ALLOYS (64-96) (NICKEL, COBALT, ≤ 300 Bhn Feed (ipm) 1.9 2.6 3.2 3.1 3.1 2.7 2.2 IRON BASE) or Inconel 601, 617, 625, ≤ 32 HRc 65 RPM 1986 993 662 497 397 331 248 Incoloy, Monel 400 Slot 1 ≤1 Fz 0.0003 0.0007 0.0013 0.0017 0.0021 0.0022 0.0024 (52-78) Feed (ipm) 1.5 2.1 2.6 2.5 2.5 2.2 1.8 62 RPM 1895 947 632 474 379 316 237 Profile SUPER ALLOYS ≤ 0.5 ≤ 1.5 Fz 0.0002 0.0005 0.0009 0.0012 0.0015 0.0016 0.0017 (NICKEL, COBALT, (50-74) ≤ 400 Bhn Feed (ipm) 1.1 1.4 1.7 1.7 1.7 1.5 1.2 IRON BASE) or Inconel 718, X-750, 49 RPM 1497 749 499 374 299 250 187 ≤ 43 HRc Incoloy, Waspaloy, Slot Hastelloy, Rene 1 ≤1 Fz 0.0002 0.0005 0.0009 0.0012 0.0015 0.0016 0.0017 (39-59) Feed (ipm) 0.9 1.1 1.3 1.3 1.3 1.2 1.0 S 215 RPM 6570 3285 2190 1643 1314 1095 821 Profile ≤ 0.5 ≤ 1.5 Fz 0.0003 0.0008 0.0015 0.0020 0.0025 0.0026 0.0028 TITANIUM ALLOYS (172-258) Pure Titanium, ≤ 350 Bhn Feed (ipm) 5.9 7.9 9.9 9.9 9.9 8.5 6.9 Ti6Al4V, or Ti6Al2Sn4Zr2Mo, ≤ 38 HRc 170 RPM 5195 2598 1732 1299 1039 866 649 Ti4Al4Mo2Sn0.5Si Slot 1 ≤1 Fz 0.0003 0.0008 0.0015 0.0020 0.0025 0.0026 0.0028 (136-204) Feed (ipm) 4.7 6.2 7.8 7.8 7.8 6.8 5.5 75 RPM 2292 1146 764 573 458 382 287 TITANIUM ALLOYS Profile (DIFFICULT) ≤ 0.5 ≤ 1.5 Fz 0.0003 0.0008 0.0015 0.0020 0.0025 0.0026 0.0028 Ti10Al2Fe3Al, (60-90) ≤ 440 Bhn Feed (ipm) 2.1 2.8 3.4 3.4 3.4 3.0 2.4 Ti5Al5V5Mo3Cr, or Ti7Al4Mo, 60 RPM 1834 917 611 458 367 306 229 ≤ 47 HRc Ti3Al8V6Cr4Zr4Mo, Slot Ti6Al6V6Sn, 1 ≤1 Fz 0.0003 0.0008 0.0015 0.0020 0.0025 0.0026 0.0028 Ti15V3 Cr3Sn3Al (48-72) Feed (ipm) 1.7 2.2 2.8 2.8 2.8 2.4 1.9 185 RPM 5654 2827 1885 1413 1131 942 707 Profile ≤ 0.5 ≤ 1.5 Fz 0.0003 0.0007 0.0014 0.0018 0.0023 0.0024 0.0025 (148-222) TOOL STEELS ≤ 375 Bhn Feed (ipm) 5.1 5.9 7.9 7.6 7.8 6.8 5.3 H A2, D2, H13, L2, M2, or P20, S7, T15, W2 ≤ 40 HRc 145 RPM 4431 2216 1477 1108 886 739 554 Slot 1 ≤1 Fz 0.0003 0.0007 0.0014 0.0018 0.0023 0.0024 0.0025 (116-174) Feed (ipm) 4.0 4.7 6.2 6.0 6.1 5.3 4.2 Bhn (Brinell) HRc (Rockwell C) rpm = Vc x 3.82 / DC ipm = 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) 99 END MILLS www.kyocera-sgstool.com END MILLS