231800 232006 232005 1397 Material group M3 M4 M5 M6 M8 Vc m/min. fz mm fz mm fz mm fz mm fz mm P 1.1-1.2-1.3-1.4-1.5 Non-alloy steels <850 N/mm² 80-160 0.01-0.02 0.015-0.025 0.03-0.045 0.045-0.06 0.05-0.075 <1100 N/mm² 60-140 0.01-0.02 0.015-0.025 0.03-0.045 0.045-0.06 0.05-0.075 2.1-2.2-2.3.-2.4 Heat treatable steel <950 N/mm² 50-130 0.01-0.015 0.01-0.02 0.02-0.035 0.03-0.04 0.04-0.05 <1100 N/mm² 50-130 0.005-0.01 0.01-0.015 0.015-0.025 0.02-0.04 0.03-0.05 <1300 N/mm² 40-110 0.004-0.008 0.006-0.015 0.01-0.025 0.03-0.05 0.04-0.06 2.5 Nitriding steels <1000 N/mm² 40-110 0.004-0.008 0.006-0.015 0.01-0.025 0.03-0.05 0.04-0.06 3.1-3.2 High alloyed steels <700 N/mm² 40-80 0.004-0.008 0.006-0.015 0.01-0.02 0.02-0.04 0.03-0.05 <1400 N/mm² 30-60 0.004-0.008 0.006-0.015 0.01-0.02 0.02-0.04 0.03-0.05 M 4.1 Stainless steel ferritic/martensitic 50-120 0.005-0.008 0.01-0.2 0.015-0.035 0.04-0.05 0.04-0.05 4.2 Stainless Steel martensitic 35-80 0.004-0.008 0.008-0.015 0.015-0.025 0.02-0.03 0.03-0.05 4.3 Stainless steel austensitic/ferritic 30-70 0.004-0.008 0.008-0.015 0.015-0.025 0.02-0.03 0.03-0.05 K 7.1 Cast iron with lamellar graphite <600 N/mm² 100-180 0.005-0.015 0.01-0.02 0.02-0.03 0.04-0.05 0.05-0.06 7.2 Cast iron with lamellar graphite <1200 N/mm² 100-180 0.005-0.015 0.01-0.02 0.02-0.03 0.04-0.05 0.05-0.06 7.3 Cast iron with modular graphite <600 N/mm² 90-180 0.005-0.015 0.01-0.02 0.02-0.03 0.04-0.05 0.05-0.06 7.4 Cast iron with modular graphite <850 N/mm² 90-180 0.005-0.015 0.01-0.02 0.02-0.03 0.04-0.05 0.05-0.06 7.5 Malleable cast iron <450 N/mm² 90-180 0.005-0.015 0.01-0.02 0.02-0.03 0.04-0.05 0.05-0.06 7.6 Malleable cast iron <800 N/mm² 90-180 0.005 0.01-0.02 0.02-0.03 0.04-0.05 0.05-0.06 S 5.1-5.3 Nickel-chromium alloy <800 N/mm² 35-70 0.004-0.008 0.008-0.015 0.015-0.025 0.02-0.03 0.03-0.05 5.4 Nickel-chromium alloy <950 N/mm² 35-70 0.004-0.008 0.008-0.015 0.015-0.025 0.02-0.03 0.03-0.05 5.5 Nickel-chromium alloy <1300 N/mm² 35-50 0.004-0.008 0.008-0.015 0.015-0.025 0.02-0.03 0.03-0.05 Recommended cutting data for Karnasch solid carbide thread mills with interior cooling supply Recommended cutting data for Karnasch solid carbide thread mills Material M4 M5 M6 M8 M10 M12 CRP / GRP Vc m/min 60-90 60-90 60-90 60-90 60-90 60-90 fz mm 0.05-0.06 0.05-0.07 0.06-0.08 0.06-0.08 0.08-0.10 0.10-0.12 Graphite Vc m/min 140-180 140-180 140-180 140-180 140-180 140-180 fz mm 0.04-0.06 0.05-0.07 0.06-0.08 0.06-0.08 0.08-0.10 0.10-0.12 Vc = Cutting speed (m/min) Vf = Feed rate (mm/min) fz = Feed per tooth (mm) ae = Width of cut (mm) ap = Depth of cut (mm) n = rpm 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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