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

ISO DEEP DRILLING - BTA SYSTEM USER GUIDE Machining Recommendations Material Chipbreaker Tensile Strength Group Hardness Troubleshooting 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 650and cast steel,< 0.55 %CQuenched and tempered850free cutting steel>= 0.55 %CAnnealed75021903250GBGBIC908IC806IC90254220 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/martensiticStainless steel and cast steelMartensitic68012200 G BG B82013240IC908IC806IC9025 M Stainless steel and cast steel Austenitic, duplex 600 14 180 G B BIC806IC908IC9025 Grey cast iron (GG) Ferritic/pearliticPearlitic/martensitic 15 18016260 K Nodular cast iron (GGG) FerriticPearlitic 17 160 G G B18250IC908IC806IC9025 Ferritic 19 130 Malleable cast iron Pearlitic 20 230 Aluminum-wrought alloys Not hardenable 21 60 Hardenable 22 100 <=12% Si Not hardenable 23 75 Aluminum-cast alloys Hardenable 24 90 N >12% Si High temperature>1% PbFree cutting 25 130 G G B26110IC908IC806IC9025 Copper alloys Brass 27 90 Electrolitic copper 28 100 Non-metallic Duroplastics, fiber plastics 29 Hard rubber 30 Fe based AnnealedHardened 31 20032280 High temp. alloys Annealed 33 250 S Ni or Cobased Hardened 34 350 B B BIC806IC908IC9025 Cast 35 320 Titanium alloys Pure 400 36Alpha+beta alloys hardened105037 Hardened steelHChilled cast iron Hardened 55 HRCHardened 60 HRCCast 3839 B B B40400IC806IC908IC908 Cast iron Hardened 55 HRC 41 (1) For material groups see pages 495-524 223