METRIC V-Carb Ap Series 55M, 55MCR, Ae Ae DC • mm 55MB Vc Metric Hardness Ae x DC Ap x DC (m/min) 6 8 10 12 16 20 143 RPM 7594 5695 4556 3797 2848 2278 Profile ≤ 0.25 ≤ 1.5 Fz 0.022 0.036 0.061 0.070 0.077 0.085 CAST IRONS (115-172) (LOW & MEDIUM ≤ 220 Bhn Feed (mm/min) 820 1033 1397 1321 1093 972 ALLOY) or Gray, Malleable, ≤ 19 HRc 215 RPM 11391 8543 6834 5695 4271 3417 Ductile HSM ≤ 0.05 ≤2 Fz 0.043 0.073 0.123 0.137 0.151 0.171 (172-258) Feed (mm/min) 2460 3099 4192 3895 3226 2916 K 110 RPM 5816 4362 3490 2908 2181 1745 Profile ≤ 0.25 ≤ 1.5 Fz 0.017 0.028 0.045 0.053 0.059 0.064 CAST IRONS(HIGH ALLOY)Gray, Malleable,Ductile≤ 260 Bhnor≤ 26 HRcHSM (88-132) Feed (mm/min) 489 605 791 768 642 558165RPM872565445235436232722617 ≤ 0.05 ≤2 Fz 0.034 0.055 0.091 0.103 0.113 0.128 (132-198) Feed (mm/min) 1466 1815 2373 2251 1843 1675 21 RPM 1131 848 679 565 424 339 Profile ≤ 0.25 ≤ 1.5 Fz 0.014 0.021 0.037 0.041 0.046 0.051 SUPER ALLOYS (17-26) (NICKEL, COBALT, ≤ 300 Bhn Feed (mm/min) 81 90 127 115 98 86 IRON BASE) or Inconel 601, 617, 625, ≤ 32 HRc 33 RPM 1729 1297 1037 864 648 519 Incoloy, Monel 400 HSM ≤ 0.05 ≤2 Fz 0.026 0.045 0.075 0.082 0.092 0.104 (26-39) Feed (mm/min) 228 290 387 353 299 270 S 17 RPM 889 666 533 444 333 267 Profile SUPER ALLOYS ≤ 0.25(NICKEL, COBALT,IRON BASE)Inconel 718, X-750,Incoloy, Waspaloy,≤ 400 Bhnor≤ 43 HRcHSM≤ 1.5Fz0.010(13-20)Feed (mm/min)4326RPM13730.0175710300.027718240.031696870.036605150.04053412 Hastelloy, Rene ≤ 0.05 ≤2 Fz 0.019 0.032 0.056 0.062 0.069 0.077 (21-31) Feed (mm/min) 132 165 231 214 178 159 continued on next page 72 END MILLS wwwE.kNyDoMceILraLS-sgstool.com