Каталог Iscar сверла ружейные и для глубокого сверления 2022 - страница 88

DEEP DRILLING - BTA SYSTEM ISO USER GUIDE Recommended Machining Conditions Tensile Strength Material Material Condition [N/mm2] Hardness HB Group No.(1) < 0.25 %C Annealed 420 125 1 >= 0.25 %C Annealed 650 190 2 Non-alloy steel and caststeel, free cutting steel< 0.55 %CQuenched and tempered 850 250 3 >= 0.55 %C Annealed 750 220 4 Quenched and tempered 1000 300 5 Annealed 600 200 6 P Low alloy and cast steel (less than 930 275 7 5% of alloying elements) Quenched and tempered 1000 300 8 1200 350 9 Annealed 680 200 10 High alloyed steel, cast steel and tool steel Quenched and tempered 1100 325 11 Ferritic/martensitic 680 200 12 Stainless steel and cast steel Martensitic 820 240 13 M Stainless steel and cast steel Austenitic, duplex 600 180 14 Ferritic/pearlitic 180 15 Grey cast iron (GG) Pearlitic/martensitic 260 16 Ferritic 160 17 K Nodular cast iron (GGG) Pearlitic 250 18 Ferritic 130 19 Malleable cast iron Pearlitic 230 20 Not hardenable 60 21 Aluminum-wrought alloys Hardenable 100 22 <=12% Si Not hardenable 75 23 Aluminum-cast alloys Hardenable 90 24 >12% Si High temperature 130 25 N >1% Pb Free cutting 110 26 Copper alloys Brass 90 27 Electrolitic copper 100 28 Duroplastics, fiber plastics 29 Non-metallic Hard rubber 30 Annealed 200 31 Fe based Hardened 280 32 High temp. alloys Annealed 250 33 S Ni or Co based Hardened 350 34 Cast 320 35 Pure 400 36 Titanium alloys Alpha+beta alloys hardened 1050 37 Hardened 55 HRC 38 Hardened steel Hardened 60 HRC 39 H Chilled cast iron Cast 400 40 Cast iron Hardened 55 HRC 41 (1) Based on ISO 513 and VDI 3323 standards 272 ISCAR