METRIC H-Carb 77 Ap H-CARB Ae Ae D1 • mm Series 77M, 77MCR Vc Metric Hardness Ae x D1 Ap x D1 (m/min) 6 8 10 12 16 20 25 RPM 12208 9156 7325 6104 4578 3662 2930 HSM 2.5xD 284 Fz 0.0413 0.0411 0.0640 0.0711 0.0889 0.1013 0.1050 CARBON STEELS ≤ 0.2 ≤ APMX (227-341) Feed (ipm) 3529 2634 3282 3038 2849 2597 2154 ≤ 275 Bhn 1018, 1040, 1080, 1090, HSM 3xD Fz 0.0347 0.0461 0.0717 0.0797 0.0996 0.1135 0.1176 or 257 10L50, 1140, 1212, ≤ 28 HRc ≤ 0.15 ≤ APMX (206-308) Feed (ipm) 2965 2955 3676 3405 3192 2910 2412 12L15, 1525, 1536 HSM 4xD 230 Fz 0.0362 0.0480 0.0747 0.0830 0.1037 0.1182 0.0919 ≤ 0.1 ≤ APMX (184-276) Feed (ipm) 3094 3076 3830 3546 3323 3030 1885 P RPM 8068 6051 4841 4034 3025 2420 1936 HSM 2.5xD 132 Fz 0.0213 0.0285 0.0512 0.0610 0.0711 0.0827 0.0875 ALLOY STEELS ≤ 0.2 ≤ APMX (106-159) Feed (ipm) 1203 1207 1735 1723 1506 1401 1186 ≤ 375 Bhn 4140, 4150, 4320, 5120, HSM 3xD Fz 0.0239 0.0319 0.0574 0.0683 0.0797 0.0926 0.0980 or 138 5150, 8630, 86L20, ≤ 40 HRc ≤ 0.15 ≤ APMX (111-166) Feed (ipm) 1350 1351 1945 1929 1688 1569 1328 50100 HSM 4xD 152 Fz 0.0249 0.0332 0.0597 0.0711 0.0830 0.0964 0.1021 ≤ 0.1 ≤ APMX (122-182) Feed (ipm) 1406 1406 2023 2008 1758 1633 1384 RPM 9660 7245 5796 4830 3623 2898 2318 HSM 2.5xD 197 Fz 0.0216 0.0285 0.0448 0.0533 0.0635 0.0747 0.0800 STAINLESS STEELS ≤ 0.2 ≤ APMX (158-236) Feed (ipm) 1461 1445 1818 1803 1610 1515 1298 ≤ 275 Bhn (FREE MACHINING) HSM or 3xD 204 Fz 0.0242 0.0319 0.0502 0.0598 0.0711 0.0837 0.0896 303, 416, 420F, 430F, ≤ 28 HRc 440F ≤ 0.15 ≤ APMX (163-245) Feed (ipm) 1636 1618 2037 2022 1803 1698 1454 HSM 4xD 182 Fz 0.0252 0.0332 0.0523 0.0622 0.0741 0.0871 0.0933 ≤ 0.1 ≤ APMX (146-218) Feed (ipm) 1704 1684 2122 2104 1879 1767 1514 RPM 6369 4777 3822 3185 2389 1911 1529 HSM 2.5xD 130 Fz 0.0168 0.0221 0.0371 0.0432 0.0584 0.0693 0.0750 ≤ 0.2 ≤ APMX (104-156) Feed (ipm) 749 739 993 963 976 927 803 STAINLESS STEELS ≤ 275 Bhn M (DIFFICULT) or HSM 3xD 134 Fz 0.0188 0.0248 0.0416 0.0484 0.0655 0.0777 0.0840 304, 304L, 316, 316L ≤ 28 HRc (107-161) Feed (ipm) ≤ 0.15 ≤ APMX 838 829 1113 1079 1095 1039 899 HSM 4xD 120 Fz 0.0196 0.0258 0.0433 0.0504 0.0682 0.0809 0.0875 ≤ 0.1 ≤ APMX (96-144) Feed (ipm) 874 863 1158 1124 1140 1082 936 RPM 6104 4578 3662 3052 2289 1831 1465 HSM 2.5xD 124 Fz 0.0168 0.0221 0.0371 0.0432 0.0584 0.0693 0.0750 STAINLESS STEELS ≤ 0.2 ≤ APMX (99-149) Feed (ipm) 718 708 952 923 936 888 769 ≤ 325 Bhn (PH) HSM 3xD Fz 0.0188 0.0248 0.0416 0.0484 0.0655 0.0777 0.0840 or 129 13-8 PH, 15-5PH, ≤ 35 HRc ≤ 0.15 ≤ APMX (103-155) Feed (ipm) 803 795 1066 1034 1050 996 861 17-4 PH, CUSTOM 450 HSM 4xD 115 Fz 0.0196 0.0258 0.0433 0.0504 0.0682 0.0809 0.0875 ≤ 0.1 ≤ APMX (92-138) Feed (ipm) 837 827 1110 1077 1093 1037 897 RPM 10722 8041 6433 5361 4021 3217 2573 HSM 2.5xD 218 Fz 0.0239 0.0315 0.0474 0.0559 0.0762 0.0880 0.0925 CAST IRONS ≤ 0.2 ≤ APMX (174-262) Feed (ipm) 1794 1773 2135 2098 2145 1981 1666 (LOW & MEDIUM ≤ 220 Bhn ALLOY) or HSM 3xD 225 Fz 0.0268 0.0353 0.0531 0.0626 0.0854 0.0986 0.1036 Gray, Malleable, ≤ 19 HRc ≤ 0.15 ≤ APMX (180-270) Feed (ipm) 2011 1987 2391 2349 2404 2220 1866 Ductile HSM 4xD 202 Fz 0.0279 0.0368 0.0553 0.0652 0.0889 0.1027 0.1079 ≤ 0.1 ≤ APMX (162-242) Feed (ipm) 2094 2071 2490 2447 2502 2312 1944 P RPM 6369 4777 3822 3185 2389 1911 1529 HSM 2.5xD 130 Fz 0.0168 0.0221 0.0371 0.0432 0.0584 0.0693 0.0750 CAST IRONS ≤ 0.2 ≤ APMX (104-156) Feed (ipm) 749 739 993 963 976 927 803 ≤ 260 Bhn (HIGH ALLOY) HSM 3xD Fz 0.0188 0.0248 0.0416 0.0484 0.0655 0.0777 0.0840 or 134 Gray, Malleable, ≤ 26 HRc ≤ 0.15 ≤ APMX (107-161) Feed (ipm) 838 829 1113 1079 1095 1039 899 Ductile HSM 4xD 120 Fz 0.0196 0.0258 0.0433 0.0504 0.0682 0.0809 0.0875 ≤ 0.1 ≤ APMX (96-144) Feed (ipm) 874 863 1158 1124 1140 1082 936 NON-FERROUS N Not Recommended for this Material Group MATERIALS continued on next page 88 END MILLS END MILLS www.kyocera-sgstool.com