FRACTIONAL Multi-Carb Ap Series Diameter (D1) Ae Ae (inch) 66, 66CR Vc Fractional Hardness Ae x D1 Ap x D1 (sfm) 3/16 1/4 3/8 1/2 5/8 3/4 1 Profile 635 RPM 12937 9703 6469 4851 3881 3234 2426 ≤ 0.05 ≤1 Fz 0.0008 0.0012 0.0022 0.0030 0.0037 0.0038 0.0042 CARBON STEELS (508-762) 1018, 1040, 1080, ≤ 275 Bhn Feed (ipm) 72.4 81.5 99.6 131.0 129.2 135.2 112.1 1090, 10L50, 1140, or 1212, 12L15, 1525, ≤ 28 HRc 762 RPM 15524 11643 7762 5822 4657 3881 2911 1536 Finish ≤ 0.02 ≤2 Fz 0.0006 0.0010 0.0018 0.0024 0.0030 0.0030 0.0034 (610-914) Feed (ipm) 69.5 78.2 95.6 125.7 124.1 129.8 107.6 P 360 RPM 7334 5501 3667 2750 2200 1834 1375 Profile ≤ 0.05 ≤1 Fz 0.0006 0.0009 0.0017 0.0023 0.0029 0.0030 0.0032 ALLOY STEELS (288-432) 4140, 4150, 4320, ≤ 375 Bhn Feed (ipm) 30.8 34.7 43.6 56.9 57.4 60.5 48.4 5120, 5150, 8630, or 86L20, 50100 ≤ 40 HRc 432 RPM 8801 6601 4401 3300 2640 2200 1650 Finish ≤ 0.02 ≤2 Fz 0.0005 0.0007 0.0014 0.0018 0.0023 0.0024 0.0026 (346-518) Feed (ipm) 29.6 33.3 41.9 54.7 55.1 58.1 46.5 290 RPM 5908 4431 2954 2216 1772 1477 1108 Profile ≤ 0.05 ≤1 Fz 0.0004 0.0006 0.0012 0.0016 0.0020 0.0021 0.0022 (232-348) TOOL STEELS ≤ 375 Bhn Feed (ipm) 16.5 18.6 24.8 31.9 31.9 34.1 26.8 H A2, D2, H13, L2, M2, or P20, S7, T15, W2 ≤ 40 HRc 348 RPM 7090 5317 3545 2659 2127 1772 1329 Finish ≤ 0.02 ≤2 Fz 0.0003 0.0005 0.0010 0.0013 0.0016 0.0017 0.0018 (278-418) Feed (ipm) 15.9 17.9 23.8 30.6 30.6 32.8 25.7 705 RPM 14363 10772 7182 5386 4309 3591 2693 Profile ≤ 0.05 ≤1 Fz 0.0008 0.0012 0.0022 0.0030 0.0037 0.0038 0.0042 CAST IRONS (564-846) (LOW & MEDIUM ≤ 220 Bhn Feed (ipm) 80.4 90.5 110.6 145.4 143.5 150.1 124.4 ALLOY) or Gray, Malleable, ≤ 19 HRc 846 RPM 17236 12927 8618 6463 5171 4309 3232 Ductile Finish ≤ 0.02 ≤2 Fz 0.0006 0.0010 0.0018 0.0024 0.0030 0.0030 0.0034 (677-1015) Feed (ipm) 77.2 86.9 106.2 139.6 137.7 144.1 119.4 K 540 RPM 11002 8251 5501 4126 3300 2750 2063 Profile ≤ 0.05 ≤1 Fz 0.0006 0.0009 0.0017 0.0023 0.0029 0.0030 0.0032 CAST IRONS (432-648) (HIGH ALLOY) ≤ 260 Bhn Feed (ipm) 46.2 52.0 65.5 85.4 86.1 90.8 72.6 Gray, Malleable, or Ductile ≤ 26 HRc 648 RPM 13202 9901 6601 4951 3961 3300 2475 Finish ≤ 0.02 ≤2 Fz 0.0005 0.0007 0.0014 0.0018 0.0023 0.0024 0.0026 (518-778) Feed (ipm) 44.4 49.9 62.8 82.0 82.7 87.1 69.7 560 RPM 11409 8557 5705 4278 3423 2852 2139 Profile ≤ 0.05 ≤1 Fz 0.0006 0.0009 0.0017 0.0023 0.0029 0.0030 0.0032 STAINLESS STEELS (448-672) (FREE MACHINING) ≤ 275 Bhn Feed (ipm) 47.9 53.9 67.9 88.6 89.3 94.1 75.3 M 303, 416, 420F, or 430F, 440F ≤ 28 HRc 448 RPM 9127 6845 4564 3423 2738 2282 1711 Finish ≤ 0.02 ≤2 Fz 0.0005 0.0007 0.0014 0.0018 0.0023 0.0024 0.0026 (358-538) Feed (ipm) 30.7 34.5 43.4 56.7 57.2 60.2 48.2 continued on next page www.kyocerEaN-DsgMstILoLoSl.com END MILLS 85