Ap Series Ae Ae Diameter (D1) Z5MCR Vc (mm) Metric Hardness Ae x D1 Ap x D1 (m/min) 6 8 10 12 16 20 25 Profile 169 RPM 8967 6725 5380 4484 3363 2690 2152 CARBON STEELS ≤ 0.5 ≤ 1.5 (135-203) Fz 0.029 0.049 0.061 0.074 0.087 0.099 0.108 1018, 1040, 1080, 1090, ≤ 275 Bhn Feed (mm/min) 1291 1650 1650 1668 1463 1327 1157 10L50, 1140, 1212, or 134 RPM 7109 5332 4265 3555 2666 2133 1706 Speed & Feed Recommendations 12L15, 1525, 1536 ≤ 28 HRc Slot 1 ≤1 (107-161) Fz 0.029 0.049 0.061 0.074 0.087 0.099 0.108 P Feed (mm/min) 1024 1308 1308 1322 1160 1052 917 Profile 96 RPM 5089 3817 3054 2545 1909 1527 1221 ALLOY STEELS ≤ 0.5 ≤ 1.5 (77-115) Fz 0.022 0.036 0.045 0.055 0.067 0.075 0.080 4140, 4150, 4320, 5120, ≤ 375 Bhn Feed (mm/min) 550 692 692 702 635 570 489 5150, 8630, 86L20, or 76 RPM 4039 3029 2424 2020 1515 1212 969 50100 ≤ 40 HRc Slot 1 ≤1 (61-91) Fz 0.022 0.036 0.045 0.055 0.067 0.075 0.080 Feed (mm/min) 436 549 549 557 504 452 388 Profile 56 RPM 2989 2242 1793 1495 1121 897 717 ≤ 0.5 ≤ 1.5 (45-68) Fz 0.017 0.030 0.037 0.043 0.051 0.059 0.065 TOOL STEELS ≤ 375 Bhn Feed (mm/min) 251 335 335 323 287 263 233 H A2, D2, H13, L2, M2, or 44 RPM 2343 1757 1406 1171 879 703 562 P20, S7, T15, W2 ≤ 40 HRc Slot 1 ≤1 (35-53) Fz 0.017 0.030 0.037 0.043 0.051 0.059 0.065 Feed (mm/min) 197 262 262 253 225 206 183 Profile 136 RPM 7190 5392 4314 3595 2696 2157 1726 | Z-Carb HPR CAST IRONS ≤ 0.5 ≤ 1.5 (109-163) Fz 0.026 0.045 0.056 0.067 0.079 0.091 0.098 (LOW & MEDIUM ≤ 220 Bhn Feed (mm/min) 949 1208 1208 1208 1070 978 841 ALLOY) or 108 RPM 5736 4302 3441 2868 2151 1721 1377 Gray, Malleable, ≤ 19 HRc Slot Ductile 1 ≤1 (87-130) Fz 0.026 0.045 0.056 0.067 0.079 0.091 0.098 K Feed (mm/min) 757 964 964 964 853 780 671 Profile 104 RPM 5493 4120 3296 2747 2060 1648 1318 CAST IRONS ≤ 0.5 ≤ 1.5 (83-124) Fz 0.020 0.034 0.043 0.050 0.059 0.067 0.073 (HIGH ALLOY) ≤ 260 Bhn Feed (mm/min) 554 703 703 692 606 549 478 Gray, Malleable, or 82 RPM 4362 3272 2617 2181 1636 1309 1047 Ductile ≤ 26 HRc Slot 1 ≤1 (66-99) Fz 0.020 0.034 0.043 0.050 0.059 0.067 0.073 Feed (mm/min) 440 558 558 550 482 436 380 Profile 149 RPM 7917 5938 4750 3958 2969 2375 1900 STAINLESS STEELS ≤ 0.5 ≤ 1.5 (119-179) Fz 0.022 0.036 0.045 0.055 0.067 0.075 0.080 (FREE MACHINING) ≤ 275 Bhn Feed (mm/min) 855 1077 1077 1092 988 887 760 303, 416, 420F, 430F, or 119 RPM 6301 4726 3781 3151 2363 1890 1512 440F ≤ 28 HRc Slot 1 ≤1 (95-143) Fz 0.022 0.036 0.045 0.055 0.067 0.075 0.080 Feed (mm/min) 680 857 857 869 786 706 605 Profile 104 RPM 5493 4120 3296 2747 2060 1648 1318 ≤ 0.5 ≤ 1.5 (83-124) Fz 0.017 0.030 0.037 0.043 0.051 0.059 0.063 STAINLESS STEELS ≤ 275 Bhn Feed (mm/min) 461 615 615 593 527 483 412 M (DIFFICULT) or 82 RPM 4362 3272 2617 2181 1636 1309 1047 304, 304L, 316, 316L ≤ 28 HRc Slot 1 ≤1 (66-99) Fz 0.017 0.030 0.037 0.043 0.051 0.059 0.063 Feed (mm/min) 366 489 489 471 419 384 327 Profile 94 RPM 5009 3756 3005 2504 1878 1503 1202 STAINLESS STEELS ≤ 0.5 ≤ 1.5 (76-113) Fz 0.017 0.030 0.037 0.043 0.051 0.059 0.063 (PH) ≤ 325 Bhn Feed (mm/min) 421 561 561 541 481 441 376 13-8 PH, 15-5PH, or 76 RPM 4039 3029 2424 2020 1515 1212 969 17-4 PH, CUSTOM 450 ≤ 35 HRc Slot 1 ≤1 (61-91) Fz 0.017 0.030 0.037 0.043 0.051 0.059 0.063 Feed (mm/min) 339 452 452 436 388 355 303 continued on next page 14 www.kyocera-sgstool.com