Page 277 - Demo

275DEEP HOLE DRILLING ISOMaterial ConditionTensile Strength [N/mm2]Material Group No. (1)Hardness (HB) ChipbreakerCutting speedVc (m/min)Feed: f (mm/rev)Drill dia. (mm)%u00d816-18 %u00d818.01-40Pnon-alloy steel and cast steel, free cutting steel<0.25% C annealed 420 1 125 GF 50-100 0.03-0.10 0.03-0.10DT 80-140 0.05-0.10 0.05-0.10%u22650.25% C annealed 650 2 190 GF 50-100 0.03-0.10 0.03-0.10DT 80-140 0.05-0.10 0.05-0.10<0.55% C quenched and tempered 850 3 250 GF 50-100 0.03-0.10 0.03-0.12DT 80-140 0.05-0.16 0.05-0.20%u22650.55% C annealed 750 4 220 GF 50-100 0.03-0.10 0.03-0.12DT 80-140 0.05-0.16 0.05-0.20quenched and tempered 1000 5 300 GF 50-100 0.03-0.10 0.03-0.12DT 80-140 0.05-0.16 0.05-0.20low alloy and cast steel (less than 5% of alloying elements)annealed 600 6 200 GF 50-100 0.03-0.10 0.03-0.10DT 80-140 0.05-0.10 0.05-0.10quenched and tempered930 7 275 GF 50-100 0.03-0.10 0.03-0.10DT 80-140 0.05-0.10 0.05-0.101000 8 300 GF 50-100 0.03-0.10 0.03-0.10DT 80-140 0.05-0.10 0.05-0.101200 9 350 GF 50-100 0.03-0.10 0.03-0.10DT 80-140 0.05-0.10 0.05-0.10high alloyed steel, cast steel and tool steelannealed 680 10 200 GF 50-100 0.03-0.10 0.03-0.12DT 80-120 0.05-0.16 0.05-0.20quenched and tempered 1100 11 325 GF 50-100 0.03-0.10 0.03-0.12DT 80-120 0.05-0.16 0.05-0.20stainless steel and cast steelferritic/martensitic 680 12 200 GF 50-100 0.03-0.06 0.03-0.06DT 60-100 0.05-0.10 0.05-0.10martensitic 820 13 240 GF 50-100 0.03-0.06 0.03-0.06DT 60-100 0.05-0.10 0.05-0.10M stainless steel and cast steel austenitic, duplex 600 14 180 GF 50-100 0.03-0.06 0.03-0.06DT 60-100 0.05-0.10 0.05-0.10Kgray cast iron (GG) ferritic/pearlitic 15 180 GF 50-100 0.03-0.15 0.05-0.18DT 80-140 0.05-0.25 0.05-0.3pearlitic/martensitic 16 260 GF 50-100 0.03-0.15 0.05-0.18DT 80-140 0.05-0.25 0.05-0.3nodular cast iron (GGG)ferritic 17 160 GF 50-100 0.03-0.15 0.05-0.18DT 80-140 0.05-0.25 0.05-0.3pearlitic 18 250 GF 50-100 0.03-0.15 0.05-0.18DT 80-140 0.05-0.25 0.05-0.3malleable cast ironferritic 19 130 GF 50-100 0.03-0.15 0.05-0.18DT 80-140 0.05-0.25 0.05-0.3pearlitic 20 230 GF 50-100 0.03-0.15 0.05-0.18DT 80-140 0.05-0.25 0.05-0.3Naluminum-wrought alloysnot hardenable 21 60 GF 80-160 0.03-0.15 0.03-0.015DT 100-200 0.05-0.20 0.05-0.20hardenable 22 100 GF 80-160 0.03-0.15 0.03-0.015DT 100-200 0.05-0.20 0.05-0.20aluminumcast alloys%u2264 12% Sinot hardenable 23 75 GF 80-160 0.03-0.15 0.03-0.015DT 100-200 0.05-0.20 0.05-0.20hardenable 24 90 GF 80-160 0.03-0.15 0.03-0.015DT 100-200 0.05-0.20 0.05-0.20>12% Si high temperature 25 130 GF 80-160 0.03-0.15 0.03-0.015DT 100-200 0.05-0.20 0.05-0.20copper alloys>1% Pb free cutting 26 110 GF 80-160 0.03-0.15 0.03-0.015DT 100-200 0.05-0.20 0.05-0.20brass 27 90 GF 80-160 0.03-0.15 0.03-0.015DT 100-200 0.05-0.20 0.05-0.20electrolitic copper 28 100 GF 80-160 0.03-0.15 0.03-0.015DT 100-200 0.05-0.20 0.05-0.20Shigh temperature alloysFe baseannealed 31 200 GF 50-100 0.03-0.06 0.03-0.06DT 60-100 0.05-0.10 0.05-0.10hardened 32 280 GF 50-100 0.03-0.06 0.03-0.06DT 60-100 0.05-0.10 0.05-0.10Ni / Co baseannealed 33 250 GF 20-50 0.03-0.06 0.03-0.08DT 20-50 0.04-0.08 0.04-0.10hardened 34 350 GF 20-50 0.03-0.06 0.03-0.08DT 20-50 0.04-0.08 0.04-0.10cast 35 320 GF 20-50 0.03-0.06 0.03-0.08DT 20-50 0.04-0.08 0.04-0.10titanium alloyspure 400 36 GF 30-60 0.03-0.10 0.03-0.12DT 30-60 0.05-0.13 0.05-0.15alpha+beta alloys hardened 1050 37 GF 30-60 0.03-0.10 0.03-0.12DT 30-60 0.05-0.13 0.05-0.15H hardened steel %u2265 40HRC hardened 38 GF 40-100 0.03-0.08 0.03-0.08DT 50-100 0.04-0.08 0.04-0.10 (1) For material groups see pages 495-524