ATA International Product Catalogue

1569 COOLANT RECOMMENDATIONS FOR ALL INSERTS Material Hardness Coolant pressure (bar) Coolant flow rate (l/min) Powder steel inserts Carbide inserts BHN KG Nmm²  9.5- 13.00  13.5- 17.50  18.0- 24.0  25.0- 35.0  35.5- 48  48.5- 65.0  66.0- 114  9.5- 13.00  13.5- 17.50  18.0- 24.0  25.0- 35.0 Free machining steel 1118, 1215, 12L14 etc. 100- 250 38- 88 370- 870 12.8 8.3 9.6 7.9 6.9 3.5 6.2 20 16.5 16.5 15.2 9.6 11.4 19.7 30.3 53 125 167 12.2 16.3 25.2 41.5 Low carbon steel 1010, 1020, 1025, 1522, 1144, etc. 85- 275 30- 96 300- 940 11.8 6.2 6.6 5.5 5.2 2.8 4.5 17.5 11 11 11.8 9.5 9.8 15.9 26.5 45.4 114 144 11.4 13.3 20.6 36.5 Medium carbon steel 1030, 1040, 1050, 1527, 1140, 1151 etc. 125- 325 46- 111 450- 1090 11.4 5.9 6.2 5.2 4.8 2.8 4.5 17.2 9.7 10.4 10.4 9.1 9.8 15.5 22.7 45.4 114 144 11.3 12.5 20 33.8 Alloy steel 4140, 5140, 8640, etc. 125- 375 46- 129 450- 1265 11.4 5.2 5.5 4.8 4.2 2.4 3.5 16.5 9.3 9.7 7.9 9.1 9.1 14.8 22.7 41.6 106 125 11.1 12.3 19.3 30 High strength alloy 4340, 4330V, 300M etc. 225- 400 77- 139 600- 1365 10.7 4.2 3.5 2 2 1.7 2 14.5 5.2 4.1 3.1 9.1 8.3 11.7 19 30 87 98 10.4 9.1 12.6 18.8 Structural steel A36, A285, A516, etc 100- 350 38- 121 370- 1180 11.4 5.9 5.5 3.8 3.5 2 3.5 15.8 9 7.9 6.9 9.1 9.8 14.8 23 38 98 125 10.8 12 17.5 27.8 Tool steel H-13, H-21, A-4, 0-2, S-3, etc. 150- 250 50- 88 500- 870 10.7 4.2 3.5 2 2 1.7 2 14.5 5.2 4.8 3.4 9.1 8.3 11.7 19 30 87 98 10.4 9.1 13.6 19.7 High temp. alloy Hastelloy B, Inconel 600, etc. 140- 310 49- 101 480- 990 10.7 4.5 3.8 2.4 2 2 3.1 16.5 11.4 12.4 11 9.1 8.7 12.1 18.9 30 98 125 11.1 13.5 21.9 35.4 Titanium alloy 140- 310 49- 101 480- 990 10.7 4.5 3.8 2.4 2 2 3.1 16.5 11.4 12.4 11 9.1 8.7 12.1 18.9 30 98 125 11.1 13.5 21.9 35.4 Stainless steel 400 Series 416, 420, etc. 185- 350 65- 121 640- 1180 11.8 5.9 5.2 3.8 3.5 2 3.1 22.7 16.5 17.9 17.2 9.5 9.8 14 23 38 98 117 13 16.3 26.3 44.2 Stainless steel 300 Series 304.316, etc. 135- 275 49- 96 480- 940 11.8 5.9 5.2 3.8 3.5 2 3.1 22.7 16.5 17.9 17.2 9.5 9.8 14 23 38 98 117 13 16.3 26.3 44.2 Super duplex stainless steel 135- 275 49- 96 480- 940 11.8 5.9 5.2 3.8 3.5 2 3.1 22.7 16.5 17.9 17.2 9.5 9.8 14 23 38 98 117 13 16.3 26.3 44.2 Hardened steel 300- 500 104- 139 1020- 1365 10.7 4.2 3.5 2 2 1.7 2 14.5 5.2 4.8 3.4 9.1 8.3 11.7 19 30 87 98 10.4 9.1 13.6 19.7 Nodular, grey, ductil cast iron 120- 320 44- 104 430- 1020 11 4.5 4.2 2.8 2.4 2 2.4 15.5 7.2 6.2 6.2 9.1 8.7 12.5 19 34 98 106 10.7 10.8 15.4 26.5 Cast aluminium 30- 180 10- 62 100- 600 14.5 12.4 15.8 11 8.6 3.5 5.5 24.1 22 21.7 19.6 10 14 23 34 61 125 159 13.4 18.8 29 47.2 Wrought aluminium 30- 180 10-62 100- 600 14.5 12.4 15.8 11 8.6 3.5 5.5 24.1 22 21.7 19.6 10 14 23 34 61 125 159 13.4 18.8 29 47.2 Aluminium bronze 100- 250 38- 87 370- 855 12.8 8.3 9.7 8 6.9 3.5 6.2 20 16.5 16.5 15.2 9.6 11.4 19.7 30.3 53 125 167 12.2 16.3 25.2 41.5 Brass 100 38 370 11 4.5 4.2 2.8 2.4 2 2.4 24.1 22 21.7 19.6 9.1 8.7 12.5 19 34 98 106 13.4 18.8 29 47.2 Copper 60 21 200 12.8 8.3 9.7 8 6.9 3.5 6.2 20 16.5 16.5 15.2 9.6 11.4 19.7 30.3 53 125 167 12.2 16.3 25.2 41.5 Fibreglass, carbon fibre, graphite 100- 250 38- 88 370- 870 12.8 8.3 9.6 7.9 6.9 3.5 6.2 20 16.5 16.5 15.2 9.6 11.4 19.7 30.3 53 125 167 12.2 16.3 25.2 41.5 Coolant Multiplier Holder lenght 3×D 4×D 5×D 8×D 10×D 12×D 15×D see above chart 1.3 1.5 2 3 Collant recommendation Example: to drill 25 mm diameter hole with powder steel insert in alloy steel with a hardness value 125-375 BHN 5×D holder: 4.8 bar; 22.7 l/min 12×D holder: 4.8 bar × 2 = 9.6 bar; 22.7 l/min × 2 = 45.4 l/min 15×D holder: 4.8 bar × 3 = 14.4 bar; 22.7 l/min × 3= 68.1 l/min Cooling nozzle max. 30 bar 11 Index 10 9 OIL 8 7 6 5 4 3 2 1