
Ap
| Series 55M, 55MCR, 55MB | Ae | Ae | Vc | DC • | mm | |||||||
| Metric | Hardness | Ae x DC | Ap x DC | (m/min) | 6 | 8 | 10 | 12 | 16 | 20 | ||
| Profile | 143 | RPM | 7594 | 5695 | 4556 | 3797 | 2848 | 2278 | ||||
| CAST IRONS | ≤ 0.25 | ≤ 1.5 | (115-172) | Fz | 0.022 | 0.036 | 0.061 | 0.070 | 0.077 | 0.085 | ||
| (LOW & MEDIUM ALLOY) | ≤ 220 Bhn or | Feed (mm/min) | 820 | 1033 | 1397 | 1321 | 1093 | 972 | ||||
| Gray, Malleable, Ductile | ≤ 19 HRc | HSM | 215 | RPM | 11391 | 8543 | 6834 | 5695 | 4271 | 3417 | ||
| ≤ 0.05 | ≤ 2 | (172-258) | Fz | 0.043 | 0.073 | 0.123 | 0.137 | 0.151 | 0.171 | |||
| K | Feed (mm/min) | 2460 | 3099 | 4192 | 3895 | 3226 | 2916 | |||||
| Profile | 110 | RPM | 5816 | 4362 | 3490 | 2908 | 2181 | 1745 | ||||
| ≤ 0.25 | ≤ 1.5 | (88132) | Fz | 0.017 | 0.028 | 0.045 | 0.053 | 0.059 | 0.064 | |||
| CAST IRONS (HIGH ALLOY) | ≤ 260 Bhn or | - | Feed (mm/min) | 489 | 605 | 791 | 768 | 642 | 558 | |||
| Gray, Malleable, Ductile | ≤ 26 HRc | HSM | 165 | RPM | 8725 | 6544 | 5235 | 4362 | 3272 | 2617 | ||
| ≤ 0.05 | ≤ 2 | (132-198) | Fz | 0.034 | 0.055 | 0.091 | 0.103 | 0.113 | 0.128 | |||
| Feed (mm/min) | 1466 | 1815 | 2373 | 2251 | 1843 | 1675 | ||||||
| Profile | 21 | RPM | 1131 | 848 | 679 | 565 | 424 | 339 | ||||
| SUPER ALLOYS | ≤ 0.25 | ≤ 1.5 | (17-26) | Fz | 0.014 | 0.021 | 0.037 | 0.041 | 0.046 | 0.051 | ||
| (NICKEL, COBALT, IRON BASE) | ≤ 300 Bhn or | Feed (mm/min) | 81 | 90 | 127 | 115 | 98 | 86 | ||||
| Inconel 601, 617, 625, Incolo Monel 400 | ≤ 32 HRc | HSM | 33 | RPM | 1729 | 1297 | 1037 | 864 | 648 | 519 | ||
| y, | ≤ 0.05 | ≤ 2 | (26-39) | Fz | 0.026 | 0.045 | 0.075 | 0.082 | 0.092 | 0.104 | ||
| S | Feed (mm/min) | 228 | 290 | 387 | 353 | 299 | 270 | |||||
| Profile | 17 | RPM | 889 | 666 | 533 | 444 | 333 | 267 | ||||
| SUPER ALLOYS | ≤ 0.25 | ≤ 1.5 | (13-20) | Fz | 0.010 | 0.017 | 0.027 | 0.031 | 0.036 | 0.040 | ||
| (NICKEL, COBALT, IRON BASE) | ≤ 400 Bhn | Feed (mm/min) | 43 | 57 | 71 | 69 | 60 | 53 | ||||
| Inconel 718, X-750, Incoloy, Waspaloy, | or ≤ 43 HRc | HSM | 26 | RPM | 1373 | 1030 | 824 | 687 | 515 | 412 | ||
| Hastelloy, Rene | ≤ 0.05 | ≤ 2 | (21-31) | Fz | 0.019 | 0.032 | 0.056 | 0.062 | 0.069 | 0.077 | ||
| Feed (mm/min) | 132 | 165 | 231 | 214 | 178 | 159 |
continued on next page