Общий каталог Ingersoll 2011 - страница 468

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OPERATING GUIDELINES SERIES 47Y - OPERATING GUIDELINES FOR SOLID CARBIDE THREAD MILLS Main Workpiece Material Remark Tensile Strength Hardness Machin. Group ISO-group l 0,25 % C Annealed 420 125 1 Unalloyed steel >= 0,25 % C Annealed 650 190 2 Cast steel l 0,25 % C Tempered 850 250 3 Free cutting steel >= 0,55 % C Annealed 750 220 4 Tempered 1000 300 5 P Steel medium tensile strength Annealed 600 200 6 and cast steel Tempered 930 275 7 (with less than 5 % C) Tempered 1000 300 8 Tempered 1200 350 9 High-alloyed cast steel Annealed 680 200 10 Steel and tool steel Tempered 1100 325 11 Stainless steel Ferritic, martensitic 680 200 12 M and cast steel Martensitic 820 240 13 Austenitic 600 180 14 Nodular gray cast iron Ferritic, pearlitic - 180 15 (GGG) Pearlitic - 260 16 K Gray cast iron(GG) Ferritic - 160 17Pearlitic-25018 Malleable cast iron Ferritic - 130 19 Malleable cast iron Pearlitic - 230 20 Aluminum-wrought alloy Untreated - 60 21 Aluminum-wrought alloy Forged, alloyed - 100 22 Aluminum cast alloy Untreated - 75 23 Aluminum cast alloy Forged, alloyed - 90 24 Aluminum cast alloy >12 % Si High temp. resist. - 130 25 N Copper alloys Easy to machine - 110 26 CuZn-alloys (brass) - 90 27 Elektrolytic copper - 100 28 Duroplastics - 90 29 Graphite - - 30 Ebonite - - - High temp. resisting alloys . Fe-base, tempered - 200 31 Superalloys Ni/Co-base, treated - 280 32 Superalloys Ni/Co-base, tempered - 250 33 S Superalloys Ni/Co-base, treated - 350 34 Titanium, cast - 320 35 Titanium 400 - 36 Titanium alloys Alpha & beta alloy, treated 1050 - 37 Hardened steel Hardened - 55 HRC 38 H Hardened steelChill casting Hardened - 60 HRC 39Cast400-40 Cast iron Hardened - 55 HRC 41 470