IIINNN22000500S56IINN22 II0040NN0562//II5033NN0022554005 CONTOUR MILLING OPERATING GUIDELINES Grades OS ePrEie Rs 1A 2TWI9 N, 1G2WG5UIDELINES: Brinell Feed per Material Hardness SFM Insert Coolant Aluminum 6061 T-6, 7075 T-6 - 1000-8000 .003-.006 2 1 Yes Gray 150-250 500-1200 .002-.006 1 Cast Iron No Nodular 150-250 400-800 .002-.006 1 Low Carbon 1018-8620 150-250 600-1200 .002-.006 1 High Carbon F-6180 250-400* 400-600 .002-.005 2 1 No Alloyed Steel 4140 150-300 400-800 .002-.005 1 2 Steel Tool Steel P-20-H13 Up to 460* 400-800 .002-.005 2 1 300 Series, 304, 316 - 400-800 .002-.005 1 2 StSaitneleels s 400 Series, 15-5 PH, 17-4 PH NoUp to 320500-1000.002-.00512 13-8 PH - 200-400 .002-.005 1 2 Yes Nickel Alloys Inconel 600, 706, 718, 903, Hastelloy 75-120 75-120 .002-.004 1 2 Yes Titanium 6AL-4V - 80-150 .002-.005 1 2 Yes *58Rc & Above use IN2006. Grades Series 15V1E, 5V6E, 1TG1F, TG1F Feed per Material Brinell Hardness SFM Insert Coolant Mild 1018-1045 125-425 500-1100 .010-.035 1 2 2 Steel Low Alloy 4140, 8620, 4340 150-425 400-1000 .008-.018 1 3 2 4 No Med Alloy P20, S7, H13, O1, A2 150-425 300-900 High Alloy A7-D2 200-425 300-600 .005-.015 1 2 3 Free Machining 303, 416 150-425 300-800 .010-.030 Stainless 300 Series 304, 310, 316 150-425 200-600 2 1 3 No Steel 400 Series 410, 420, 15-5PH, 17-4 PH 150-425 200-600 .005-.015 PH Series 13-8 150-425 200-500 Hardened Steel ALL 200-400 .002-.010 1 2 3 No The success of any cutter application is a function of many variables. Our initial preference of grade is based on applying a more tough grade. 370