498 Каталог ISCAR 2017 Вращающийся режущий инструмент и инструментальная оснастка Стр.494

Каталог ISCAR 2017 Ротационный инструмент Стр. 494 0498 ENG Lab2u

INDEXABLE DRILLS USER GUIDE Material Groups ISO Material Condition Tensile Strength N/mm2 Hardness HB Material No. < 0.25 %C Annealed 420 125 1 >= 0.25 %C Annealed 650 190 2 Non-alloy steel and cast steel, 0 55 %C free cutting steel < 0 Quenched and tempered 850 250 3 >= 0.55 %C Annealed 750 220 4 Quenched and tempered 1000 300 5 Low alloy steel and cast steel (less than 5% of alloying elements) Annealed 600 200 6 Quenched and tempered 930 275 7 1000 300 8 1200 350 9 High alloyed steel, cast steel, and tool steel Annealed 680 200 10 Quenched and tempered 1100 325 11 Grey cast iron (GG) Ferritic/pearlitic 180 15 Pearlitic 260 16 Nodular cast iron (GGG) Ferritic 160 17 Pearlitic 250 18 Malleable cast iron Ferritic 130 19 Pearlitic 230 20 When using external coolant supply only, reduce cutting speed by 10%. Use internal coolant supply when machining austenitic stainless steel. K 494 ISCAR