METRIC T-Carb® Ap Series 51M, 51MCR, Ae Ae DC • mm 51ML, 51MLC Vc Metric Hardness Ae x DC Ap x DC (m/min) 6 8 10 12 16 20 Profile 219 RPM 11633 8725 6980 5816 4362 3490 ≤ 0.1 ≤1 Fz 0.048 0.081 0.101 0.121 0.142 0.158 CARBON STEELS (176-263) 1018, 1040, 1080, ≤ 275 Bhn Feed (mm/min) 3350 4240 4230 4223 3717 3308 1090, 10L50, 1140, or 1212, 12L15, 1525, ≤ 28 HRc 279 RPM 14784 11088 8870 7392 5544 4435 1536 HSM ≤ 0.05 ≤2 Fz 0.066 0.113 0.141 0.169 0.197 0.220 (223-335) Feed (mm/min) 5854 7517 7504 7495 6553 5854 P 149 RPM 7917 5938 4750 3958 2969 2375 Profile ≤ 0.1 ≤1 Fz 0.036 0.061 0.077 0.092 0.107 0.119 ALLOY STEELS4140, 4150, 4320,5120, 5150, 8630,86L20, 50100≤ 375 Bhnor≤ 40 HRcHSM(119-179) Feed (mm/min) 1710 2173 2195 2185 1906 1696189RPM1001775136010500937563005 ≤ 0.05 ≤2 Fz 0.049 0.083 0.104 0.125 0.146 0.163 (151-227) Feed (mm/min) 2945 3741 3750 3756 3291 2939 155 RPM 8240 6180 4944 4120 3090 2472 Profile ≤ 0.1 ≤1 Fz 0.035 0.060 0.075 0.090 0.105 0.117 STAINLESS STEELS(FREE MACHINING)303, 416, 420F,430F, 440F≤ 275 Bhnor≤ 28 HRcHSM (140-171) Feed (mm/min) 1730 2225 2225 2225 1947 1735198RPM1050278776301525139383151 ≤ 0.05 ≤2 Fz 0.048 0.082 0.102 0.122 0.143 0.159 (178-218) Feed (mm/min) 3025 3875 3856 3844 3379 3006 107 RPM 5655 4241 3393 2827 2121 1696 Profile ≤ 0.1 ≤1 Fz 0.029 0.049 0.061 0.073 0.086 0.096 (96-117) STAINLESS STEELS ≤ 275 Bhn Feed (mm/min) 984 1247 1242 1238 1094 977 M (DIFFICULT) or 304, 304L, 316, 316L ≤ 28 HRc 137 RPM 7271 5453 4362 3635 2726 2181 HSM ≤ 0.05 ≤2 Fz 0.040 0.069 0.086 0.103 0.120 0.134 (123-151) Feed (mm/min) 1745 2258 2251 2247 1963 1754 99 RPM 5251 3938 3151 2626 1969 1575 Profile ≤ 0.1 ≤1 Fz 0.029 0.049 0.061 0.073 0.086 0.096 STAINLESS STEELS(PH)13-8 PH, 15-5 PH,17-4 PH, Custom 450≤ 325 Bhnor≤ 35 HRcHSM (89-109) Feed (mm/min) 914 1158 1153 1150 1016 907125RPM662449683975331224841987 ≤ 0.05 ≤2 Fz 0.040 0.069 0.086 0.103 0.120 0.134 (112-137) Feed (mm/min) 1590 2057 2051 2047 1789 1598 continued on next page 80 END MILLS wwwE.kNyDoMceILraLS-sgstool.com