FRACTIONAL V-Carb Ap Series Diameter (D1) Ae Ae (inch) 55, 55CR Vc Fractional Hardness Ae x D1 Ap x D1 (sfm) 1/8 1/4 3/8 1/2 5/8 3/4 1 255 RPM 7793 3896 2598 1948 1559 1299 974 Profile ≤ 0.25 ≤ 1.5 Fz 0.0002 0.0006 0.0012 0.0016 0.0020 0.0021 0.0023 (204-306) STAINLESS STEELS ≤ 275 Bhn Feed (ipm) 9.4 11.7 15.6 15.6 15.6 13.6 11.2 (DIFFICULT) or 304, 304L, 316, 316L ≤ 28 HRc 385 RPM 11766 5883 3922 2941 2353 1961 1471 HSM ≤ 0.05 ≤2 Fz 0.0005 0.0013 0.0024 0.0032 0.0040 0.0041 0.0045 (308-462) Feed (ipm) 28.2 38.2 47.1 47.1 47.1 40.2 33.1 M 235 RPM 7182 3591 2394 1795 1436 1197 898 Profile ≤ 0.25 ≤ 1.5 Fz 0.0002 0.0006 0.0010 0.0014 0.0017 0.0018 0.0019 STAINLESS STEELS (188-282) (PH) ≤ 325 Bhn Feed (ipm) 7.5 10.8 12.0 12.6 12.2 10.8 8.5 13-8 PH, 15-5 PH, or 17-4 PH, Custom 450 ≤ 35 HRc 355 RPM 10849 5424 3616 2712 2170 1808 1356 HSM ≤ 0.05 ≤2 Fz 0.0004 0.0011 0.0021 0.0028 0.0034 0.0036 0.0039 (284-426) Feed (ipm) 22.2 29.8 38.0 38.0 36.9 32.5 26.4 70 RPM 2139 1070 713 535 428 357 267 Profile ≤ 0.25 ≤ 1.5 Fz 0.0002 0.0006 0.0010 0.0014 0.0017 0.0018 0.0019 SUPER ALLOYS (56-84) (NICKEL, COBALT, ≤ 300 Bhn Feed (ipm) 2.2 3.2 3.6 3.7 3.6 3.2 2.5 IRON BASE) or Inconel 601, 617, 625, ≤ 32 HRc 107 RPM 3270 1635 1090 817 654 545 409 Incoloy, Monel 400 HSM ≤ 0.05 ≤2 Fz 0.0004 0.0011 0.0021 0.0028 0.0034 0.0036 0.0039 (86-128) Feed (ipm) 6.7 9.0 11.4 11.4 11.1 9.8 8.0 55 RPM 1681 840 560 420 336 280 210 Profile SUPER ALLOYS ≤ 0.25 ≤ 1.5 Fz 0.0002 0.0004 0.0008 0.0010 0.0013 0.0014 0.0015 (NICKEL, COBALT, (44-66) IRON BASE) ≤ 400 Bhn Feed (ipm) 1.3 1.7 2.2 2.1 2.2 2.0 1.6 Inconel 718, X-750, or Incoloy, Waspaloy, ≤ 43 HRc 85 RPM 2598 1299 866 649 520 433 325 Hastelloy, Rene HSM ≤ 0.05 ≤2 Fz 0.0003 0.0008 0.0015 0.0021 0.0026 0.0027 0.0029 (68-102) Feed (ipm) 4.0 5.2 6.5 6.8 6.8 5.8 4.7 S 235 RPM 7182 3591 2394 1795 1436 1197 898 Profile ≤ 0.25 ≤ 1.5 Fz 0.0002 0.0006 0.0012 0.0016 0.0020 0.0021 0.0023 TITANIUM ALLOYS (188-282) Pure Titanium, ≤ 350 Bhn Feed (ipm) 7.2 10.8 14.4 14.4 14.4 12.6 10.3 Ti6Al4V, or Ti6Al2Sn4Zr2Mo, ≤ 38 HRc 390 RPM 11918 5959 3973 2980 2384 1986 1490 Ti4Al4Mo2Sn0.5Si HSM ≤ 0.05 ≤2 Fz 0.0005 0.0013 0.0024 0.0032 0.0040 0.0041 0.0045 (312-468) Feed (ipm) 29.8 38.7 47.7 47.7 47.7 40.7 33.5 85 RPM 2598 1299 866 649 520 433 325 TITANIUM ALLOYS Profile (DIFFICULT) ≤ 0.25 ≤ 1.5 Fz 0.0002 0.0006 0.0012 0.0016 0.0020 0.0021 0.0023 Ti10Al2Fe3Al, (68-102) Ti5Al5V5Mo3Cr, ≤ 440 Bhn Feed (ipm) 2.6 3.9 5.2 5.2 5.2 4.5 3.7 Ti7Al4Mo, or Ti3Al8V6Cr4Zr4Mo, ≤ 47 HRc 140 RPM 4278 2139 1426 1070 856 713 535 Ti6Al6V6Sn, HSM Ti15V3 Cr3Sn3Al ≤ 0.05 ≤2 Fz 0.0005 0.0013 0.0024 0.0032 0.0040 0.0042 0.0045 (112-168) Feed (ipm) 10.7 13.9 17.1 17.1 17.1 15.0 12.0 Bhn (Brinell)   HRc (Rockwell C)   HSM (High Speed Machining) rpm = Vc x 3.82 / D1 ipm = Fz x 5 x rpm reduce speed and feed for materials harder than listed reduce feed and Ae when finish milling (.02 x D1 maximum) reduce Ap to 1 x D1 (maximum) when profile milling with long or extra long flute length tools refer to the KYOCERA SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) www.kyocerEaN-DsgMstILoLoSl.com END MILLS 65