
| Series 55, 55CR | Ae | Ap Ae | Vc | D | iameter (D (inch) | 1) | |||||||
| Fractional | Hardness | Ae x D1 | Ap x D1 | (sfm) | 1/8 | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | ||
| Profile | 255 | RPM | 7793 | 3896 | 2598 | 1948 | 1559 | 1299 | 974 | ||||
| ≤ 0.25 | ≤ 1.5 | (204306) | Fz | 0.0002 | 0.0006 | 0.0012 | 0.0016 | 0.0020 | 0.0021 | 0.0023 | |||
| STAINLESS STEELS (DIFFICULT) | ≤ 275 Bhn | - | Feed (ipm) | 9.4 | 11.7 | 15.6 | 15.6 | 15.6 | 13.6 | 11.2 | |||
| 304, 304L, 316, 316L | or ≤ 28 HRc | HSM | 385 | RPM | 11766 | 5883 | 3922 | 2941 | 2353 | 1961 | 1471 | ||
| ≤ 0.05 | ≤ 2 | (308-462) | Fz | 0.0005 | 0.0013 | 0.0024 | 0.0032 | 0.0040 | 0.0041 | 0.0045 | |||
| M | Feed (ipm) | 28.2 | 38.2 | 47.1 | 47.1 | 47.1 | 40.2 | 33.1 | |||||
| Pfil | 235 | RPM | 7182 | 3591 | 2394 | 1795 | 1436 | 1197 | 898 | ||||
| roe | ≤ 0.25 | ≤ 1.5 | Fz | 0.0002 | 0.0006 | 0.0010 | 0.0014 | 0.0017 | 0.0018 | 0.0019 | |||
| STAINLESS STEELS (PH) | ≤ 325 Bhn | (188-282) | Feed (ipm) | 7.5 | 10.8 | 12.0 | 12.6 | 12.2 | 10.8 | 8.5 | |||
| 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 | or ≤ 35 HRc | HSM | 355 | RPM | 10849 | 5424 | 3616 | 2712 | 2170 | 1808 | 1356 | ||
| ≤ 0.05 | ≤ 2 | (284426) | Fz | 0.0004 | 0.0011 | 0.0021 | 0.0028 | 0.0034 | 0.0036 | 0.0039 | |||
| - | Feed (ipm) | 22.2 | 29.8 | 38.0 | 38.0 | 36.9 | 32.5 | 26.4 | |||||
| Pfil | 70 | RPM | 2139 | 1070 | 713 | 535 | 428 | 357 | 267 | ||||
| SUPER ALLOYS | roe | ≤ 0.25 | ≤ 1.5 | Fz | 0.0002 | 0.0006 | 0.0010 | 0.0014 | 0.0017 | 0.0018 | 0.0019 | ||
| (NICKEL, COBALT, IRON BASE | ≤ 300 Bhn | (56-84) | Feed (ipm) | 2.2 | 3.2 | 3.6 | 3.7 | 3.6 | 3.2 | 2.5 | |||
| ) Inconel 601, 617, 625, | or ≤ 32 HRc | HSM | 107 | RPM | 3270 | 1635 | 1090 | 817 | 654 | 545 | 409 | ||
| Incoloy, Monel 400 | ≤ 0.05 | ≤ 2 | Fz | 0.0004 | 0.0011 | 0.0021 | 0.0028 | 0.0034 | 0.0036 | 0.0039 | |||
| (86-128) | Feed (ipm) | 6.7 | 9.0 | 11.4 | 11.4 | 11.1 | 9.8 | 8.0 | |||||
| Profile | 55 | RPM | 1681 | 840 | 560 | 420 | 336 | 280 | 210 | ||||
| SUPER ALLOYS | ≤ 0.25 | ≤ 1.5 | Fz | 0.0002 | 0.0004 | 0.0008 | 0.0010 | 0.0013 | 0.0014 | 0.0015 | |||
| (NICKEL, COBALT, IRON BASE) | ≤ 400 Bhn | (44-66) | Feed (ipm) | 1.3 | 1.7 | 2.2 | 2.1 | 2.2 | 2.0 | 1.6 | |||
| Inconel 718, X-750, Incoloy, Waspaloy, | or ≤ 43 HRc | HSM | 85 | RPM | 2598 | 1299 | 866 | 649 | 520 | 433 | 325 | ||
| Hastelloy, Rene | ≤ 0.05 | ≤ 2 | Fz | 0.0003 | 0.0008 | 0.0015 | 0.0021 | 0.0026 | 0.0027 | 0.0029 | |||
| (68-102) | Feed (ipm) | 4.0 | 5.2 | 6.5 | 6.8 | 6.8 | 5.8 | 4.7 | |||||
| S | Prfil | 235 | RPM | 7182 | 3591 | 2394 | 1795 | 1436 | 1197 | 898 | |||
| TITANIUM ALLOYS | oe | ≤ 0.25 | ≤ 1.5 | (188282) | Fz | 0.0002 | 0.0006 | 0.0012 | 0.0016 | 0.0020 | 0.0021 | 0.0023 | |
| Pure Titanium, | ≤ 350 Bhn | - | Feed (ipm) | 7.2 | 10.8 | 14.4 | 14.4 | 14.4 | 12.6 | 10.3 | |||
| Ti6Al4V, Ti6Al2Sn4Zr2Mo, | or ≤ 38 HRc | HSM | 390 | RPM | 11918 | 5959 | 3973 | 2980 | 2384 | 1986 | 1490 | ||
| Ti4Al4Mo2Sn0.5Si | ≤ 0.05 | ≤ 2 | Fz | 0.0005 | 0.0013 | 0.0024 | 0.0032 | 0.0040 | 0.0041 | 0.0045 | |||
| (312-468) | Feed (ipm) | 29.8 | 38.7 | 47.7 | 47.7 | 47.7 | 40.7 | 33.5 | |||||
| 85 | RPM | 2598 | 1299 | 866 | 649 | 520 | 433 | 325 | |||||
| TITANIUM ALLOYS (DIFFICULT) | Profile | ≤ 0.25 | ≤ 1.5 | Fz | 0.0002 | 0.0006 | 0.0012 | 0.0016 | 0.0020 | 0.0021 | 0.0023 | ||
| Ti10Al2Fe3Al, Ti5Al5V5Mo3Cr, | ≤ 440 Bhn | (68-102) | Feed (ipm) | 2.6 | 3.9 | 5.2 | 5.2 | 5.2 | 4.5 | 3.7 | |||
| Ti7Al4Mo, Ti3Al8V6Cr4Zr4Mo, | or ≤ 47 HRc | HSM | 140 | RPM | 4278 | 2139 | 1426 | 1070 | 856 | 713 | 535 | ||
| Ti6Al6V6Sn, Ti15V3 Cr3Sn3Al | ≤ 0.05 | ≤ 2 | Fz | 0.0005 | 0.0013 | 0.0024 | 0.0032 | 0.0040 | 0.0042 | 0.0045 | |||
| (112-168) | Feed (ipm) | 10.7 | 13.9 | 17.1 | 17.1 | 17.1 | 15.0 | 12.0 |
Bhn (Brinell) HRc (Rockwell C) HSM (High Speed Machining) rpm = Vc x 3.82 / D 1 ipm = Fz x 5 x rpm reduce speed and feed for materials harder than listed reduce Ap to 1 x D (maximum) when profile milling with long or extra long flute length tools