Series Diameter (D1) 140 5D Vc (inch) Fractional Hardness (sfm) 1/8 3/16 1/4 3/8 1/2 5/8 3/4 ≤ 300 Bhn 95 RPM 2903 1935 1452 968 726 581 484 SUPER ALLOYS or (76-114) Fr 0.0008 0.0012 0.0016 0.0024 0.0032 0.0040 0.0048 (NICKEL , COBALT, ≤ 32 HRc Feed (ipm) 2.3 2.3 2.3 2.3 2.3 2.3 2.3 IRON BASE) 50 RPM 1528 1019 764 509 382 306 255 Inconel 601, 617, 625, Incoloy, ≤ 400 Bhn Monel 400, Rene, Waspaloy or Fr 0.0007 0.0010 0.0013 0.0020 0.0026 0.0033 0.0039 ≤ 43 HRc (40-60) Feed (ipm) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Series 140 5xD  ≤ 275 Bhn 215 RPM 6570 4380 3285 2190 1643 1314 1095 S or (172-258) Fr 0.0018 0.0026 0.0035 0.0053 0.0070 0.0088 0.0105 ≤ 28 HRc Feed (ipm) 11.5 11.5 11.5 11.5 11.5 11.5 11.5 TITANIUM ALLOYS 160 RPM 4890 3260 2445 1630 1222 978 815 Pure Titanium, Ti6Al4V, ≤ 350 Bhn Ti6Al2Sn4Zr2Mo, or (128-192) Fr 0.0016 0.0024 0.0032 0.0048 0.0064 0.0080 0.0096 Ti4Al4Mo2Sn0.5Si, ≤ 38 HRc Feed (ipm) 7.8 7.8 7.8 7.8 7.8 7.8 7.8 Ti-6Al4V |  ≤ 440 Bhn 85 RPM 2598 1732 1299 866 649 520 433 Speed & Feed Recommendations or (68-102) Fr 0.0012 0.0018 0.0024 0.0036 0.0048 0.0060 0.0072 ≤ 47 HRc Feed (ipm) 3.1 3.1 3.1 3.1 3.1 3.1 3.1 ≤ 80 Bhn 770 RPM 23531 15687 11766 7844 5883 4706 3922 or (616-924) Fr 0.0049 0.0073 0.0098 0.0147 0.0195 0.0244 0.0293 ALUMINUM ALLOYS ≤ 47 HRb Feed (ipm) 115.0 115.0 115.0 115.0 115.0 115.0 115.0 2017, 2024, 356, 660 RPM 20170 13446 10085 6723 5042 4034 3362 6061, 7075 ≤ 150 Bhn or (528-792) Fr 0.0050 0.0074 0.0099 0.0149 0.0198 0.0248 0.0297 ≤ 7 HRc Feed (ipm) 100.0 100.0 100.0 100.0 100.0 100.0 100.0 N 550 RPM 16808 11205 8404 5603 4202 3362 2801 ≤ 140 Bhn or (440-660) Fr 0.0020 0.0030 0.0040 0.0060 0.0080 0.0100 0.0120 COPPER ALLOYS ≤ 3 HRc Feed (ipm) 33.5 33.5 33.5 33.5 33.5 33.5 33.5 Alum Bronze, C110, 440 RPM 13446 8964 6723 4482 3362 2689 2241 Muntz Brass ≤ 200 Bhn or (352-528) Fr 0.0020 0.0030 0.0040 0.0060 0.0080 0.0100 0.0120 ≤ 23 HRc Feed (ipm) 27.0 27.0 27.0 27.0 27.0 27.0 27.0 Note: •  Bhn (Brinell)   HRc (Rockwell C)   HRb (Rockwell B) •  rpm = sfm x 3.82 / D1 www.sgstoolwizard.com •  ipm = (inch / revolution) x rpm •  reduce speed and feed for materials harder than listed •  refer to the KYOCERA SGS Tool Wizard for complete technical information (www.kyocera-sgstool.com) www.kyocera-sgstool.com 49