Page 260 - Demo

258 ISCAR DEEP HOLE DRILLING ISOMaterial Condition Material Group No. Cutting SpeedVc [m/minFeed vs.Drill Diameter [mm/rev]D=2.0-2.5 D=2.5-3.5 D=3.5-5 D=5-8 D=8-12.5 D=12.5-22.5 D=22.5-30D=30 and morePnon-alloy steel and cast steel, free cutting steel<0.25% C annealed 170-100 0.002-0.003 0.003-0.01 0.01-0.020.02-0.03 0.03-0.05 0.05-0.08 0.08-0.13 0.13-0.23%u22650.25% C annealed 2<0.55% C quenched and tempered 3%u22650.55% Cannealed 4quenched and tempered 5low alloy and cast steel (less than 5% of alloying elements)annealed 660-800.002-0.0030.003-0.0080.008-0.020.02-0.03 0.03-0.05 0.05-0.08 0.08-0.12 0.12-0.2quenched and tempered789high alloyed steel, cast steel and tool steelannealed 10quenched and tempered 11 40-60stainless steel and cast steelferritic / martensitic 1240-60 0.003-0.0040.004-0.0070.007-0.020.02-0.03 0.03-0.05 0.05-0.09 0.09-0.13 0.13-0.18martensitic 13M stainless steel and cast steel austenitic, duplex 14 30-60 0.003-0.0040.004-0.0070.007-0.020.02-0.03 0.03-0.05 0.05-0.09 0.09-0.13 0.13-0.18Kgray cast iron (GG) ferritic / pearlitic 1570-100 0.002-0.003 0.003-0.01 0.01-0.020.02-0.04 0.04-0.07 0.07-0.12 0.12-0.17 0.17-0.29pearlitic / martensitic 16nodular cast iron (GGG)ferritic 17pearlitic 18malleable cast ironferritic 19pearlitic 20Naluminumwrought alloysnot hardenable 21100-150 0.002-0.003 0.003-0.02 0.02-0.070.07-0.13 0.13-0.23 0.23-0.36 0.36-0.52 0.52-1.00hardenable 22aluminumcast alloys%u226412% Sinot hardenable 23hardenable 24>12% Si high temperature 25copper alloys>1% Pb free cutting 26 100-150brass 2780-120 0.003-0.004 0.004-0.01 0.01-0.020.02-0.04 0.04-0.07 0.07-0.11 0.11-0.16 0.16-0.3electrolytic copper28non metallicduroplastics, fiber plastics 29hard rubber 30 40-60 0.002 0.002-0.0040.004-0.0090.009-0.02 0.02-0.03 0.03-0.05 0.05-0.08 0.08-0.09Shigh temperature alloysFe basedannealed 3125-50 0.002 0.002-0.0040.004-0.0090.009-0.02 0.02-0.03 0.03-0.05 0.05-0.08 0.08-0.09hardened 32Ni or Co basedannealed 33hardened 34cast 35titanium alloyspure 36alpha+beta alloys, hardened 37Hhardened steelhardened 3825-50 0.002 0.002-0.0040.004-0.0090.009-0.02 0.02-0.03 0.03-0.05 0.05-0.08 0.08-0.09hardened 39chilled cast iron cast 40cast iron hardened 41