METRIC Series 7 Ap Series Diameter (D1) Ae Ae (mm) 7M, 7MB Vc Metric Hardness Ae x D1 Ap x D1 (m/min) 3 6 8 10 12 16 20 25 CARBON STEELS 146 RPM 15511 7755 5816 4653 3878 2908 2327 1861 1018, 1040, 1080, 1090, ≤ 275 Bhn Finish 10L50, 1140, 1212, 12L15, or ≤ 0.02 ≤2 Fz 0.0166 0.043 0.075 0.093 0.110 0.125 0.147 0.160 1525, 1536 ≤ 28 HRc (117-176) Feed (mm/min) 1030 1334 1745 1731 1706 1454 1368 1191 P 84 RPM 8886 4443 3332 2666 2222 1666 1333 1066 ALLOY STEELS ≤ 375 Bhn Finish 4140, 4150, 4320, 5120, 5150, or ≤ 0.02 ≤2 Fz 0.0122 0.034 0.051 0.069 0.082 0.091 0.109 0.120 8630, 86L20, 50100 ≤ 40 HRc (67-101) Feed (mm/min) 434 604 680 736 729 606 581 512 70 RPM 7432 3716 2787 2230 1858 1394 1115 892 TOOL STEELS ≤ 375 Bhn Finish H A2, D2, H13, L2, M2, or ≤ 0.02 ≤2 Fz 0.0070 0.019 0.040 0.043 0.048 0.057 0.064 0.070 P20, S7, T15, W2 ≤ 40 HRc (56-84) Feed (mm/min) 208 282 446 384 357 318 285 250 184 RPM 19550 9775 7331 5865 4887 3666 2932 2346 CAST IRONS ≤ 220 Bhn Finish (LOW & MEDIUM ALLOY) or ≤ 0.02 ≤2 Fz 0.0132 0.036 0.052 0.075 0.089 0.099 0.117 0.130 Gray, Malleable, Ductile ≤ 19 HRc (148-221) Feed (mm/min) 1032 1408 1525 1759 1740 1452 1372 1220 K 142 RPM 15026 7513 5635 4508 3756 2817 2254 1803 CAST IRONS ≤ 260 Bhn Finish (HIGH ALLOY) or ≤ 0.02 ≤2 Fz 0.0132 0.036 0.052 0.075 0.089 0.099 0.117 0.130 Gray, Malleable, Ductile ≤ 26 HRc (113-170) Feed (mm/min) 793 1082 1172 1352 1337 1116 1055 938 128 RPM 13572 6786 5089 4072 3393 2545 2036 1629 STAINLESS STEELS ≤ 275 Bhn Finish (FREE MACHINING) or ≤ 0.02 ≤2 Fz 0.0086 0.024 0.040 0.048 0.058 0.065 0.077 0.087 303, 416, 420F, 430F, 440F ≤ 28 HRc (102-154) Feed (mm/min) 467 651 814 782 787 662 627 567 88 RPM 9371 4686 3514 2811 2343 1757 1406 1125 STAINLESS STEELS ≤ 275 Bhn Finish M (DIFFICULT) or ≤ 0.02 ≤2 Fz 0.0082 0.022 0.037 0.045 0.048 0.060 0.072 0.078 304, 304L, 316, 316L ≤ 28 HRc (71-106) Feed (mm/min) 307 412 520 506 450 422 405 351 STAINLESS STEELS 81 RPM 8563 4282 3211 2569 2141 1606 1284 1028 (PH) ≤ 325 Bhn Finish 13-8 PH, 15-5 PH, or ≤ 0.02 ≤2 Fz 0.0070 0.019 0.029 0.040 0.048 0.055 0.064 0.070 17-4 PH, Custom 450 ≤ 35 HRc (65-97) Feed (mm/min) 240 325 372 411 411 353 329 288 SUPER ALLOYS 24 RPM 2585 1293 969 776 646 485 388 310 (NICKEL, COBALT, ≤ 300 Bhn Finish IRON BASE) or ≤ 0.02 ≤2 Fz 0.0072 0.019 0.029 0.037 0.046 0.053 0.061 0.085 Inconel 601, 617, 625, ≤ 32 HRc (20-29) Incoloy, Monel 400 Feed (mm/min) 74 98 112 90 119 103 95 105 SUPER ALLOYS 20 RPM 2100 1050 788 630 525 394 315 252 (NICKEL, COBALT, ≤ 400 Bhn Finish IRON BASE) or ≤ 0.02 ≤2 Fz 0.0075 0.016 0.021 0.030 0.038 0.044 0.051 0.070 Inconel 718, X-750, Incoloy, ≤ 43 HRc (16-24) Waspaloy, Hastelloy, Rene Feed (mm/min) 63 67 66 76 80 69 64 71 S 91 RPM 9694 4847 3635 2908 2424 1818 1454 1163 TITANIUM ALLOYS ≤ 350 Bhn Finish Pure Titanium, Ti6Al4V, or ≤ 0.02 ≤2 Fz 0.0091 0.024 0.004 0.005 0.060 0.070 0.080 0.088 Ti6Al2Sn4Zr2Mo, ≤ 38 HRc (73-110) Ti4Al4Mo2Sn0.5Si Feed (mm/min) 353 465 51 59 582 509 465 409 TITANIUM ALLOYS 32 RPM 3393 1696 1272 1018 848 636 509 407 (DIFFICULT) ≤ 440 Bhn Finish Ti10Al2Fe3Al, or ≤ 0.02 ≤2 Fz 0.0082 0.019 0.029 0.037 0.046 0.053 0.061 0.085 Ti5Al5V5Mo3Cr, Ti7Al4Mo, ≤ 47 HRc (26-38) Ti3Al8V6Cr4Zr4Mo, Ti6Al6V6Sn, Ti15V3 Cr3Sn3Al Feed (mm/min) 111 129 148 151 156 135 124 138 Bhn (Brinell)   HRc (Rockwell C) rpm = (Vc x 1000) / (D1 x 3.14) mm/min = Fz x 4 x rpm reduce speed and feed for materials harder than listed refer to the KYOCERA SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) www.kyocerEaN-DsgMstILoLoSl.com END MILLS 10 3