ATA International Product Catalogue

306345 306346 1416 CONTACT INFORMATION For more information please call +353 49 435 2138 or send an email to ask@atagroup.ie Finishing Group Material Material group  = 3 mm  = 4 mm  = 5 mm Vc m/min n min –1 Vf mm/min fz mm n min –1 Vf mm/min fz mm n min –1 Vf mm/min fz mm P General steels < 650 N/mm² (< 200 HB) 1.1-1.2 340 36,093 3,898 0.027 27,070 3,898 0.036 21,656 3,898 0.045 General steels < 950 N/mm² (< 300 HB) 1.3-1.4 320 33,970 3,125 0.023 25,478 3,159 0.031 20,382 3,180 0.039 General steels < 1100 N/mm² (< 350 HB) 1.5 300 31,847 2,573 0.020 23,885 2,484 0.026 19,108 2,408 0.032 Heat-treated steels < 950 N/mm² (< 30 HRC) 2.1-2.2 330 35,032 2,662 0.019 26,274 2,627 0.025 21,019 2,606 0.031 Heat-treated steels < 1100 N/mm² (< 32 HRC) 2.3-2.4 310 32,909 2,633 0.020 24,682 2,567 0.026 19,745 2,527 0.032 Nitriding steels < 1000 N/mm² (< 32 HRC) 2.5 320 33,970 2,582 0.019 25,478 2,548 0.025 20,382 2,527 0.031 Nitriding steels > 1000 N/mm² (> 32 HRC) 2.6 250 26,539 1,699 0.016 19,904 1,752 0.022 15,924 1,720 0.027 High alloy steels < 700 N/mm² 3.1 225 23,885 2,197 0.023 17,914 1,863 0.026 14,331 2,236 0.039 High alloy steels < 1400 N/mm² 3.2 205 21,762 1,393 0.016 16,322 1,436 0.022 13,057 1,410 0.027 Spring steels < 1500 N/mm² 3.3 185 19,639 1,100 0.014 14,729 884 0.015 11,783 896 0.019 M Stainless steels – INOX ferritic 4.1 110 11,677 607 0.013 8,758 561 0.016 7,006 589 0.021 Stainless steels – INOX martensitic 4.2 110 11,677 654 0.014 8,758 596 0.017 7,006 617 0.022 Stainless steels – INOX austenitic 4.3 110 11,677 701 0.015 8,758 631 0.018 7,006 645 0.023 K Grey cast iron up to 350 HB (GG) 7.1-7.2 360 38,217 4,127 0.027 28,662 4,127 0.036 22,930 4,127 0.045 Modular cast iron up to 250 HB (GGG) 7.3-7.4 330 35,032 3,783 0.027 26,274 3,783 0.036 21,019 3,783 0.045 Malleable cast iron up to 230 HB (GTW/S) 7.5-7.6 280 29,724 3,210 0.027 22,293 3,210 0.036 17,834 3,210 0.045 H Hardened steels 45–55 HRC 8.1 /8.4 150 15,924 573 0.009 11,943 573 0.012 9,554 573 0.015 Recommended cutting data for Karnasch solid carbide micro end mills ap ae ap = 1.5×  / ae = 0.5×  11 Index 10 9 OIL 8 7 6 5 4 3 2 1