FACE GROOVING ISO USER GUIDE Machining Data for Face Machining Tensile Strength Material Material Condition [N/mm2] Hardness HB Group No. < 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 Low alloy steel and cast steel (less 930 275 7 P than 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 600 180 14 Ferritic/pearlitic 180 15 Cast iron nodular (GG) Pearlitic/ Martensitic 260 16 Ferritic 160 17 K Grey cast iron (GGG) Pearlitic 250 18 Ferritic 130 19 Malleable cast iron Pearlitic 230 20 Not cureable 60 21 Aluminum-wrought alloys Cured 100 22 <=12% Si Not cureable 75 23 Aluminum-cast-alloys Cured 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 Fe based Annealed 200 31 Cured 280 32 High temp. alloys Annealed 250 33 S Ni or Co based Cured 350 34 Cast 320 35 RM 400 36 Titanium Ti alloys Alpha+beta alloys cured RM 1050 37 Hardened 55 HRC 38 Hardened steel Hardened 60 HRC 39 H Chilled cast iron Cast 400 40 Cast iron Hardened 55 HRC 41 602 ISCAR