
| Vc | DC | • in | |||||||
| Series M105 | Hardness | (sfm) | 0 .004 | 0 .010 | 0 .020 | 0 .040 | 0 .080 | 0 .125 | |
| CARBON STEELS | 175 Bh | RPM | 124150 | 49660 | 24830 | 12415 | 6208 | 3973 | |
| 1018, 1040, 1080, 1090, 10L50, | ≤ n or | 130 (104-156) | Fz | 0.00012 | 0.00029 | 0.0006 | 0.0012 | 0.0023 | 0.0036 |
| 1140, 1212, 12L15, 1525, 1536 | ≤ 7 HRc | Feed (ipm) | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | |
| P ALLOY STEELS | ≤ 275 Bhn | RPM | 186225 | 74490 | 37245 | 18623 | 9311 | 5959 | |
| 4140, 4150, 4320, 5120, | or | 195 (156-234) | Fz | 0.00010 | 0.00026 | 0.0005 | 0.0010 | 0.0021 | 0.0033 |
| 5150, 8630, 86L20, 50100 | ≤ 28 HRc | Feed (ipm) | 19.4 | 19.4 | 19.4 | 19.4 | 19.4 | 19.4 | |
| TOOL STEELS | ≤ 475 Bhn | RPM | 76400 | 30560 | 15280 | 7640 | 3820 | 2445 | |
| H A2, D2, H13, L2, M2, | or | 80 (64-96) | Fz | 0.00005 | 0.00013 | 0.0003 | 0.0005 | 0.0010 | 0.0016 |
| P20, S7, T15, W2 | ≤ 50 HRc | Feed (ipm) | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | |
| 220 Bh | RPM | 267400 | 106960 | 53480 | 26740 | 13370 | 8557 | ||
| K CAST IRONS Gray, Malleable, Ductile | ≤ n or ≤ 19 HR | 280 (224-336) | Fz | 0.00007 | 0.00016 | 0.0003 | 0.0007 | 0.0013 | 0.0020 |
| c | Feed (ipm) | 17.5 | 17.5 | 17.5 | 17.5 | 17.5 | 17.5 | ||
| STAINLESS STEELS | 275 Bh | RPM | 62075 | 24830 | 12415 | 6208 | 3104 | 1986 | |
| (FREE MACHINING) | ≤ n or | 65 (52-78) | Fz | 0.00009 | 0.00022 | 0.0004 | 0.0009 | 0.0017 | 0.0027 |
| M 303, 416, 420F, 430F, 440F | ≤ 28 HRc | Feed (ipm) | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | |
| STAINLESS STEELS | 325 Bh | RPM | 38200 | 15280 | 7640 | 3820 | 1910 | 1222 | |
| (DIFFICULT) 304, 316, 321, 13-8 PH, 15-5PH, | ≤ n or | 40 (32-48) | Fz | 0.0001 | 0.0002 | 0.0004 | 0.0007 | 0.0014 | 0.0022 |
| 17-4 PH, CUSTOM 450 | ≤ 35 HRc | Feed (ipm) | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | |
| SUPER ALLOYS (NICKEL COBALT IRON BASE) | ≤ 320 Bhn | RPM | 47750 | 19100 | 9550 | 4775 | 2388 | 1528 | |
| , , Inconel 601, 617, 625, Incoloy 800 Ml 400 R | or 34 HR | 50 (40-60) | Fz | 0.00004 | 0.00011 | 0.0002 | 0.0004 | 0.0009 | 0.0014 |
| S , one , ene, Waspaloy | ≤ c | Feed (ipm) | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | |
| TITANIUM ALLOYS | 350 Bh | RPM | 47750 | 19100 | 9550 | 4775 | 2388 | 1528 | |
| Pure Titanium, Ti6Al4V, Ti6Al2Sn4Zr2Mo, | ≤ n or HR | 50 (40-60) | Fz | 0.00005 | 0.00013 | 0.0003 | 0.0005 | 0.0010 | 0.0016 |
| Ti4Al4Mo2Sn0.5Si | ≤ 38 c | Feed (ipm) | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | |
| RPM | 233975 | 93590 | 46795 | 23398 | 11699 | 7487 | |||
| ALUMINUM ALLOYS 2017, 2024, 356, 6061, 7075 | ≤ 150 Bhn or | 245 (196-294) | Fz | 0.00020 | 0.00049 | 0.0010 | 0.0020 | 0.0039 | 0.0062 |
| ≤ 7 HRc | Feed (ipm) | 46.1 | 46.1 | 46.1 | 46.1 | 46.1 | 46.1 | ||
| RPM | 171900 | 68760 | 34380 | 17190 | 8595 | 5501 | |||
| N COPPER ALLOYS Alum Bronze, C110, Muntz | ≤ 140 Bhn or | 180 (144-216) | Fz | 0.00020 | 0.00049 | 0.0010 | 0.0020 | 0.0039 | 0.0062 |
| Brass | ≤ 3 HRc | Feed (ipm) | 33.9 | 33.9 | 33.9 | 33.9 | 33.9 | 33.9 | |
| RPM | 233975 | 93590 | 46795 | 23398 | 11699 | 7487 | |||
| PLASTICS Polycarbonate, PVC | 245 (196-294) | Fz | 0.00020 | 0.00049 | 0.0010 | 0.0020 | 0.0039 | 0.0062 | |
| Feed (ipm) | 46.1 | 46.1 | 46.1 | 46.1 | 46.1 | 46.1 |
Note: