
| Series 55M, 55MCR, 55MB | Ae | Ap Ae | Vc | Diame (m | ter (D1) m) | |||||||
| Metric | Hardness | Ae x D1 | Ap x D1 | (m/min) | 6 | 8 | 10 | 12 | 16 | 20 | ||
| Profile | 117 | RPM | 6220 | 4665 | 3732 | 3110 | 2333 | 1866 | ||||
| CARBON STEELS | ≤ 0.25 | ≤ 1.5 | (94-141) | Fz | 0.022 | 0.036 | 0.061 | 0.070 | 0.072 | 0.085 | ||
| 1018, 1040, 1080, 1090 10L50 1140 | ≤ 275 Bhn | Feed (mm/min) | 672 | 846 | 1145 | 1082 | 836 | 796 | ||||
| , , , 1212, 12L15, 1525, 1536 | or ≤ 28 HRc | HSM | 192 | RPM | 10179 | 7634 | 6107 | 5089 | 3817 | 3054 | ||
| ≤ 0.05 | ≤ 2 | (154-230) | Fz | 0.043 | 0.073 | 0.123 | 0.137 | 0.141 | 0.154 | |||
| P | Feed (mm/min) | 2198 | 2769 | 3746 | 3481 | 2687 | 2345 | |||||
| Profile | 99 | RPM | 5251 | 3938 | 3151 | 2626 | 1969 | 1575 | ||||
| ≤ 0.25 | ≤ 1.5 | Fz | 0.017 | 0.028 | 0.045 | 0.053 | 0.054 | 0.064 | ||||
| ALLOY STEELS 4140, 4150, 4320, | ≤ 375 Bhn | (79-119) | Feed (mm/min) | 441 | 546 | 571 | 693 | 529 | 504 | |||
| 5120, 5150, 8630, 86L20, 50100 | or ≤ 40 HRc | HSM | 162 | RPM | 8563 | 6422 | 5138 | 4282 | 3211 | 2569 | ||
| ≤ 0.05 | ≤ 2 | (129-194) | Fz | 0.034 | 0.055 | 0.091 | 0.103 | 0.105 | 0.128 | |||
| Feed (mm/min) | 1438 | 1781 | 2329 | 2209 | 1685 | 1644 | ||||||
| Profile | 53 | RPM | 2827 | 2121 | 1696 | 1414 | 1060 | 848 | ||||
| ≤ 0.25 | ≤ 1.5 | (43-64) | Fz | 0.012 | 0.021 | 0.035 | 0.038 | 0.044 | 0.048 | |||
| H TOOL STEELS A2 D2 H13 L2 M2 | ≤ 375 Bhn | Feed (mm/min) | 170 | 226 | 294 | 271 | 231 | 204 | ||||
| , , , , , P20, S7, T15, W2 | or ≤ 40 HRc | HSM | 88 | RPM | 4686 | 3514 | 2811 | 2343 | 1757 | 1406 | ||
| ≤ 0.05 | ≤ 2 | (71-106) | Fz | 0.024 | 0.041 | 0.067 | 0.077 | 0.084 | 0.093 | |||
| Feed (mm/min) | 562 | 712 | 937 | 900 | 742 | 656 | ||||||
| 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 | Feed (mm/min) | 820 | 1033 | 1397 | 1321 | 1093 | 972 | ||||
| ) Gray, Malleable, | or ≤ 19 HRc | HSM | 215 | RPM | 11391 | 8543 | 6834 | 5695 | 4271 | 3417 | ||
| Ductile | ≤ 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 | Pfil | 110 | RPM | 5816 | 4362 | 3490 | 2908 | 2181 | 1745 | |||
| roe | ≤ 0.25 | ≤ 1.5 | Fz | 0.017 | 0.028 | 0.045 | 0.053 | 0.059 | 0.064 | |||
| CAST IRONS (HIGH ALLOY) | ≤ 260 Bhn | (88-132) | Feed (mm/min) | 489 | 605 | 791 | 768 | 642 | 558 | |||
| Gray, Malleable, Ductile | or ≤ 26 HRc | HSM | 165 | RPM | 8725 | 6544 | 5235 | 4362 | 3272 | 2617 | ||
| ≤ 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 |
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