Каталог Iscar сверла ружейные и для глубокого сверления 2022 - страница 39

USER GUIDE DEEP DRILLING - BTA SYSTEM Machining Recommendations Material Chipbreaker Tensile Strength Group Hardness Troubleshooting ISO Material Condition [N/mm2] No.(1) HB First Choice Fracture Wear < 0.25 %C Annealed 420 1 125 Non-alloy steel >= 0.25 %C Annealed 650 2 190 G BG B and cast steel, < 0.55 %C Quenched and tempered 850 3 250 IC908 IC806 IC9025 free cutting steel >= 0.55 %C Annealed 750 4 220 Quenched and tempered 1000 5 300 Annealed 600 6 200 P Low alloy and cast steel (less 930 7 275 G BG B than 5% of alloying elements) Quenched and tempered 1000 8 300 IC908 IC806 IC9025 1200 9 350 High alloyed steel, cast Annealed 680 10 200 G BG B steel and tool steel Quenched and tempered 1100 11 325 IC908 IC806 IC9025 Ferritic/martensitic 680 12 200 G BG B Stainless steel and cast steel Martensitic 820 13 240 IC908 IC806 IC9025 G B B M Stainless steel and cast steel Austenitic, duplex 600 14 180 IC806 IC908 IC9025 Ferritic/pearlitic 15 180 Grey cast iron (GG) Pearlitic/martensitic 16 260 Ferritic 17 160 G G B K Nodular cast iron (GGG) Pearlitic 18 250 IC908 IC806 IC9025 Ferritic 19 130 Malleable cast iron Pearlitic 20 230 Not hardenable 21 60 Aluminum-wrought alloys Hardenable 22 100 <=12% Si Not hardenable 23 75 Aluminum- Hardenable 24 90 cast alloys >12% Si High temperature 25 130 G G B N >1% Pb Free cutting 26 110 IC908 IC806 IC9025 Copper alloys Brass 27 90 Electrolitic copper 28 100 Duroplastics, fiber plastics 29 Non-metallic Hard rubber 30 Annealed 31 200 Fe based Hardened 32 280 High temp. alloys Annealed 33 250 Ni or Co B B B S Hardened 34 350 based IC806 IC908 IC9025 Cast 35 320 Pure 400 36 Titanium alloys Alpha+beta alloys hardened 1050 37 Hardened 55 HRC 38 Hardened steel Hardened 60 HRC 39 B B B H Chilled cast iron Cast 40 400 IC806 IC908 IC908 Cast iron Hardened 55 HRC 41 (1) For material groups see pages 495-524 223