Ap Series Ae Ae Diameter (D1) 33CR Vc (inch) Fractional Hardness Ae x D1 Ap x D1 (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 0.0015 0.0020 0.0025 0.0026 0.0028 (272-408) STAINLESS STEELS ≤ 275 Bhn Feed (ipm) 9.4 12.5 15.6 15.6 15.6 13.5 10.9 (DIFFICULT) or 304, 304L, 316, 316L ≤ 28 HRc 270 RPM 8251 4126 2750 2063 1650 1375 1031 Slot 1 ≤1 Fz 0.0003 0.0008 0.0015 0.0020 0.0025 0.0026 0.0028 (216-324) Feed (ipm) 7.4 9.9 12.4 12.4 12.4 10.7 8.7 Series 33  M 310 RPM 9474 4737 3158 2368 1895 1579 1184 Profile ≤ 0.5 ≤ 1.5 Fz 0.0003 0.0008 0.0015 0.0020 0.0025 0.0026 0.0028 STAINLESS STEELS (248-372) (PH) ≤ 325 Bhn Feed (ipm) 8.5 11.4 14.2 14.2 14.2 12.3 9.9 13-8 PH, 15-5 PH, or |  17-4 PH, Custom 450 ≤ 35 HRc 250 RPM 7640 3820 2547 1910 1528 1273 955 Slot Speed & Feed Recommendations 1 ≤1 Fz 0.0003 0.0008 0.0015 0.0020 0.0025 0.0026 0.0028 (200-300) Feed (ipm) 6.9 9.2 11.5 11.5 11.5 9.9 8.0 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) IRON BASE) ≤ 400 Bhn Feed (ipm) 1.1 1.4 1.7 1.7 1.7 1.5 1.2 Inconel 718, X-750, or Incoloy, Waspaloy, ≤ 43 HRc 49 RPM 1497 749 499 374 299 250 187 Hastelloy, Rene Slot 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) Ti5Al5V5Mo3Cr, ≤ 440 Bhn Feed (ipm) 2.1 2.8 3.4 3.4 3.4 3.0 2.4 Ti7Al4Mo, or Ti3Al8V6Cr4Zr4Mo, ≤ 47 HRc 60 RPM 1834 917 611 458 367 306 229 Ti6Al6V6Sn, Slot Ti15V3 Cr3Sn3Al 1 ≤1 Fz 0.0003 0.0008 0.0015 0.0020 0.0025 0.0026 0.0028 (48-72) Feed (ipm) 1.7 2.2 2.8 2.8 2.8 2.4 1.9 Note: •  Bhn (Brinell)   HRc (Rockwell C)  •  rpm = Vc x 3.82 / D1 www.sgstoolwizard.com •  ipm = Fz x 3 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 9