Page 286 - Demo

284 ISCAR DEEP HOLE DRILLING ISOMaterial ConditionTensile Strength [N/mm2]Material Group No.(1)Hardness (HB) ChipbreakerCutting speed Vc(m/min)Feed : f (mm/rev)Drill dia. (mm)25.00 - 43.0043.01 - 89.00Pnon-alloy steel and cast steel, free cutting steel<0.25% C annealed 420 1 125 HF 70 - 130 0.11 - 0.41 0.14-0.45G 70-130 0.10-0.30 0.12-0.35%u22650.25% C annealed 650 2 190 HF 70-130 0.11-0.41 0.14-0.45G 70-130 0.10-0.30 0.12-0.35<0.55% C quenched and tempered 850 3 250 HF 70-130 0.11-0.41 0.14-0.45G 70-130 0.10-0.30 0.12-0.35%u22650.55% C annealed 750 4 220 HF 70-130 0.11-0.41 0.14-0.45G 70-130 0.10-0.30 0.12-0.35quenched and tempered 1000 5 300 HF 70-130 0.11-0.41 0.14-0.45G 70-130 0.10-0.30 0.12-0.35low alloy and cast steel (less than 5% of alloying elements)annealed 600 6 200 HF 70-120 0.11-0.41 0.20-0.45G 70-120 0.10-0.30 0.12-0.35quenched and tempered930 7 275 HF 55-110 0.11-0.41 0.20-0.45G 60-120 0.10-0.30 0.12-0.351000 8 300 HF 55-110 0.11-0.41 0.20-0.45G 60-120 0.10-0.30 0.12-0.351200 9 350 HF 55-110 0.11-0.41 0.20-0.45G 60-120 0.10-0.30 0.12-0.35high alloyed steel, cast steel and tool steelannealed 680 10 200 HF 55-110 0.11-0.38 0.20-0.40G 70-130 0.10-0.30 0.12-0.35quenched and tempered 1100 11 325 HF 55-110 0.11-0.38 0.20-0.40G 70-130 0.10-0.30 0.12-0.35stainless steel and cast steelferritic/martensitic 680 12 200 HF 40-110 0.11-0.41 0.20-0.45G 70-130 0.10-0.30 0.12-0.35martensitic 820 13 240 HF 40-110 0.11-0.41 0.20-0.45G 70-130 0.10-0.30 0.12-0.35M stainless steel and cast steel austenitic, duplex 600 14 180 HF 40-110 0.11-0.41 0.20-0.45G 70-130 0.10-0.30 0.12-0.35Kgray cast iron (GG) ferritic/pearlitic 15 180 HF 50-110 0.11-0.38 0.24-0.41G 50-110 0.10-0.25 0.12-0.35pearlitic/martensitic 16 260 HF 50-110 0.11-0.38 0.24-0.41G 50-110 0.10-0.25 0.12-0.35nodular cast iron (GGG)ferritic 17 160 HF 50-110 0.11-0.38 0.24-0.41G 50-110 0.10-0.25 0.12-0.35pearlitic 18 250 HF 50-110 0.11-0.38 0.24-0.41G 50-110 0.10-0.25 0.12-0.35malleable cast ironferritic 19 130 HF 50-110 0.11-0.38 0.24-0.41G 50-110 0.10-0.25 0.12-0.35pearlitic 20 230 HF 50-110 0.11-0.38 0.24-0.41G 50-110 0.10-0.25 0.12-0.35Naluminum-wrought alloysnot hardenable 21 60 HF 65-150 0.09-0.33 0.24-0.35G 65-130 0.10-0.25 0.12-0.35hardenable 22 100 HF 65-150 0.09-0.33 0.24-0.35G 65-130 0.08-0.23 0.12-0.27aluminumcast alloys%u2264 12% Sinot hardenable 23 75 HF 65-150 0.09-0.33 0.24-0.35G 65-130 0.08-0.23 0.12-0.27hardenable 24 90 HF 65-150 0.09-0.33 0.24-0.35G 65-130 0.08-0.23 0.12-0.27>12% Si high temperature 25 130 HF 65-150 0.09-0.33 0.24-0.35G 65-130 0.08-0.23 0.12-0.27copper alloys>1% Pb free cutting 26 110 HF 65-150 0.09-0.33 0.24-0.35G 65-130 0.08-0.23 0.12-0.27brass 27 90 HF 65-150 0.09-0.33 0.24-0.35G 65-130 0.08-0.23 0.12-0.27electrolitic copper 28 100 HF 65-150 0.09-0.33 0.24-0.35G 65-130 0.08-0.23 0.12-0.27Shigh temperature alloysFe baseannealed 31 200 HF 20-55 0.09-0.30 0.20-0.33G 20-50 0.08-0.23 0.12-0.27hardened 32 280 HF 20-55 0.09-0.30 0.20-0.33G 20-50 0.08-0.23 0.12-0.27Ni / Co baseannealed 33 250 HF 20-55 0.09-0.30 0.20-0.33G 20-50 0.08-0.23 0.12-0.27hardened 34 350 HF 20-55 0.09-0.30 0.20-0.33G 20-50 0.08-0.23 0.12-0.27cast 35 320 HF 20-55 0.09-0.30 0.20-0.33G 20-50 0.08-0.23 0.12-0.27titanium alloyspure 400 36 HF 30-60 0.09-0.30 0.20-0.33G 30-60 0.08-0.23 0.12-0.27alpha+beta alloys hardened 1050 37 HF 30-60 0.09-0.30 0.20-0.33G 30-60 0.08-0.23 0.12-0.27H hardened steel %u2265 40HRC hardened 38 HF 30-60 0.09-0.30 0.20-0.33G 30-60 0.08-0.23 0.12-0.27(1) For material groups see pages 495-524