b'METRICBaselineMETRIC BaselineDC(mm)Speed and FeedSquare & Ball End Vc 0 .1 0 .5 1 1 .5 2 2 .5 3With and Without Reach Hardness (m/min)Profile 111 RPM 353837 70767 35384 23589 17692 14153 11795CARBON STEELS (89-134) Fz 0.00043 0.00216 0.00432 0.00648 0.00865 0.01081 0.012971018, 1040, 1080, 1090, 275 Bhn Feed (mm/min) 306 306 306 306 306 306 306P 10L50, 1140, 1212,or12L15, 1525, 1536 28 HRc Slot 88 RPM 281131 56226 28113 18742 14057 11245 9371(71-106) Fz 0.00043 0.00216 0.00432 0.00648 0.00865 0.01081 0.01297Feed (mm/min) 243 243 243 243 243 243 243Profile 64 RPM 203577 40715 20358 13572 10179 8143 6786ALLOY STEELS (51-77) Fz 0.00038 0.00192 0.00384 0.00576 0.00769 0.00961 0.011534140, 4150, 4320, 5120,375 Bhn Feed (mm/min) 156 156 156 156 156 156 156P 5150, 8630, 86L20,or50100 40 HRc Slot 50 RPM 159954 31991 15995 10664 7998 6398 5332(40-60) Fz 0.00038 0.00192 0.00384 0.00576 0.00769 0.00961 0.01153Feed (mm/min) 123 123 123 123 123 123 123Profile 104 RPM 329602 65920 32960 21973 16480 13184 10987STAINLESS STEELS (83-124) Fz 0.00043 0.00216 0.00432 0.00648 0.00865 0.01081 0.01295(FREE MACHINING)275 Bhn Feed (mm/min) 285 285 285 285 285 285 285M 303, 416, 420F, 430F,or440F 28 HRc Slot 82 RPM 261742 52348 26174 17449 13087 10470 8725(66-99) Fz 0.00043 0.00216 0.00432 0.00648 0.00865 0.01081 0.01295Feed (mm/min) 226 226 226 226 226 226 226Profile 72 RPM 227813 45563 22781 15188 11391 9113 7594(57-86) Fz 0.00038 0.00192 0.00385 0.00577 0.00769 0.00961 0.01154STAINLESS STEELS275 Bhn Feed (mm/min) 175 175 175 175 175 175 175M (DIFFICULT) or304, 304L, 316, 316L 28 HRc Slot 56 RPM 179342 35868 17934 11956 8967 7174 5978(45-68) Fz 0.00038 0.00192 0.00385 0.00577 0.00769 0.00961 0.01154Feed (mm/min) 138 138 138 138 138 138 138Profile 66 RPM 208425 41685 20842 13895 10421 8337 6947STAINLESS STEELS (52-79) Fz 0.00027 0.00136 0.00272 0.00408 0.00544 0.00680 0.00819(PH)325 Bhn Feed (mm/min) 113 113 113 113 113 113 113M 13-8 PH, 15-5PH, or17-4 PH, CUSTOM 450 35 HRc Slot 52 RPM 164801 32960 16480 10987 8240 6592 5493(41-62) Fz 0.00027 0.00136 0.00272 0.00408 0.00544 0.00680 0.00819Feed (mm/min) 90 90 90 90 90 90 90Profile 93 RPM 295672 59134 29567 19711 14784 11827 9856CAST IRONS (74-112) Fz 0.00043 0.00217 0.00433 0.00650 0.00866 0.01083 0.01301(LOW & MEDIUM 220 Bhn Feed (mm/min) 256 256 256 256 256 256 256K ALLOY) orGray, Malleable,19 HRc Slot 75 RPM 237507 47501 23751 15834 11875 9500 7917Ductile Fz 0.00043 0.00217 0.00433 0.00650 0.00866 0.01083 0.01301(60-90) Feed (mm/min) 206 206 206 206 206 206 206Profile 305 RPM 969416 193883 96942 64628 48471 38777 32314(244-366) Fz 0.00128 0.00639 0.01277 0.01916 0.02555 0.03193 0.03832ALUMINUM ALLOYS150 Bhn Feed (mm/min) 2477 2477 2477 2477 2477 2477 2477N 2017, 2024, 356, 6061,or70757 HRc Slot 244 RPM 775533 155107 77553 51702 38777 31021 25851(195-293) Fz 0.00128 0.00639 0.01277 0.01916 0.02555 0.03193 0.03832Feed (mm/min) 1981 1981 1981 1981 1981 1981 1981Profile 157 RPM 499249 99850 49925 33283 24962 19970 16642(126-188) Fz 0.00096 0.00479 0.00959 0.01438 0.01917 0.02396 0.02876COPPER ALLOYS140 Bhn Feed (mm/min) 957 957 957 957 957 957 957N Alum Bronze, C110,orMuntz Brass3 HRc Slot 125 RPM 397461 79492 39746 26497 19873 15898 13249(100-150) Fz 0.00096 0.00479 0.00959 0.01438 0.01917 0.02396 0.02876Feed (mm/min) 762 762 762 762 762 762 762continued on next page80 END MILLS END MILLSwww.sgsmicrotools.com'