
FRACTIONAL 77 H-Carb H-CARB Ap Ae Ae D1 • inch Series 77, 77CR Vc Fractional Hardness Ae x D1 Ap x D1 (sfm) 1/4 3/8 1/2 5/8 3/4 1 NON-FERROUS N Not Recommended for this Material Group MATERIALS RPM 1925 1284 963 770 642 481 HSM 2.5xD 136 Fz 0.0006 0.0011 0.0016 0.0018 0.0021 0.0025 SUPER ALLOYS ≤ 0.2 ≤ APMX (109-163) Feed (ipm) 8 10 11 10 9 8 (NICKEL , COBALT, ≤ 300 Bhn IRON BASE) or HSM 3xD 141 Fz 0.0007 0.0012 0.0018 0.0021 0.0024 0.0028 Inconel 601, 617, 625, ≤ 32 HRc ≤ 0.15 ≤ APMX (113-169) Feed (ipm) 9 11 12 11 11 9 Incoloy, Monel 400 HSM 4xD 126 Fz 0.0007 0.0013 0.0018 0.0022 0.0025 0.0029 ≤ 0.1 ≤ APMX (101-151) Feed (ipm) 9 12 12 12 11 10 RPM 1207 805 604 483 402 302 HSM 2.5xD 85 Fz 0.0005 0.0009 0.0013 0.0015 0.0018 0.0022 SUPER ALLOYS (NICKEL, COBALT, ≤ 0.2 ≤ APMX (68-102) Feed (ipm) 4 5 5 5 5 5 ≤ 400 Bhn IRON BASE) HSM 3xD Fz 0.0005 0.0010 0.0015 0.0018 0.0020 0.0025 or 88 Inconel 718, X-750, ≤ 43 HRc ≤ 0.15 ≤ APMX (70-106) Feed (ipm) 4 6 6 6 6 5 Incoloy, Waspaloy, Hastelloy, Rene HSM 4xD Fz 0.0006 0.0011 0.0015 0.0018 0.0021 0.0026 79 ≤ 0.1 ≤ APMX (63-95) Feed (ipm) 5 6 6 6 6 5 S RPM 4095 2730 2048 1638 1365 1024 HSM 2.5xD 289 Fz 0.0008 0.0015 0.0021 0.0024 0.0028 0.0032 TITANIUM ALLOYS ≤ 0.2 ≤ APMX (231-347) Feed (ipm) 23 29 30 28 27 23 ≤ 350 Bhn Pure Ttanium, Ti6Al4V, HSM 3xD Fz 0.0009 0.0017 0.0023 0.0025 0.0028 0.0036 or 299 Ti6Al2Sn4Zr2Mo, ≤ 38 HRc ≤ 0.15 ≤ APMX (239-359) Feed (ipm) 26 32 33 29 27 26 Ti4Al4Mo2Sn0.5Si HSM 4xD 268 Fz 0.0009 0.0018 0.0024 0.0029 0.0033 0.0037 ≤ 0.1 ≤ APMX (214-322) Feed (ipm) 26 34 34 33 32 27 RPM 2399 1599 1199 960 800 600 TITANIUM ALLOYS HSM 2.5xD Fz 0.0008 0.0015 0.0021 0.0024 0.0028 0.0032 (DIFFICULT) 170 Ti10Al2Fe3Al, ≤ 0.2 ≤ APMX (136-204) Feed (ipm) 13 17 18 16 16 13 ≤ 440 Bhn Ti5Al5V5Mo3Cr, HSM 3xD Fz 0.0009 0.0017 0.0023 0.0025 0.0028 0.0036 or 176 Ti7Al4Mo, ≤ 47 HRc ≤ 0.15 ≤ APMX (141-211) Feed (ipm) 15 19 19 17 16 15 Ti3Al8V6Cr4Zr4Mo, Ti6Al6V6Sn, HSM 4xD Fz 0.0009 0.0018 0.0024 0.0029 0.0033 0.0037 Ti15V3 Cr3Sn3Al 157 ≤ 0.1 ≤ APMX (126-188) Feed (ipm) 15 20 20 19 18 16 RPM 3851 2567 1925 1540 1284 963 HSM 2.5xD 272 Fz 0.0006 0.0011 0.0014 0.0017 0.0020 0.0024 ≤ 0.2 ≤ APMX (218-326) Feed (ipm) 16 20 19 18 18 16 TOOL STEELS ≤ 375 Bhn H A2, D2, H13, L2, M2, or HSM 3xD 282 Fz 0.0007 0.0012 0.0016 0.0019 0.0022 0.0027 P20, S7, T15, W2 ≤ 40 HRc ≤ 0.15 ≤ APMX (226-338) Feed (ipm) 19 22 22 20 20 18 HSM 4xD 252 Fz 0.0007 0.0013 0.0017 0.0020 0.0023 0.0028 ≤ 0.1 ≤ APMX (202-302) Feed (ipm) 19 23 23 22 21 19 Bhn (Brinell) HRc (Rockwell C) HSM (High Speed Machining) rpm = Vc x 3.82 / DC mm/min = Fz x 7 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) 87 END MILLS www.kyocera-sgstool.com END MILLS