ATA International Product Catalogue

306341 306342 1424 CONTACT INFORMATION For more information please call +353 49 435 2138 or send an email to ask@atagroup.ie Roughing 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 < 500 N/mm² (< 150 HB) 1.1-1.2 155 16,454 1,316 0.020 12,341 1,234 0.025 9,873 1,303 0.033 General steels < 700 N/mm² (< 205 HB) 1.3-1.4 140 14,862 1,189 0.020 11,146 1,115 0.025 8,917 1,177 0.033 General steels < 850 N/mm² (< 25 HRC) 1.5 135 14,331 1,089 0.019 10,748 1,032 0.024 8,599 1,083 0.032 Heat-treated steels < 850 N/mm² (< 25 HRC) 2.1-2.2 127 13,482 1,025 0.019 10,111 971 0.024 8,089 1,019 0.032 Heat-treated steels < 1100 N/mm² (< 32 HRC) 2.3-2.5 118 12,527 902 0.018 9,395 864 0.023 7,516 908 0.030 Heat-treated steels < 1400 N/mm² (< 44 HRC) 2.6 100 10,616 722 0.017 7,962 701 0.022 6,369 726 0.029 High alloy steels < 700 N/mm² 3.1 140 14,862 1,189 0.020 11,146 1,115 0.025 8,917 1,177 0.033 High alloy steels < 1400 N/mm² 3.2 90 9,554 650 0.017 7,166 631 0.022 5,732 654 0.029 Spring steels < 1500 N/mm² 3.3 70 7,431 476 0.016 5,573 446 0.020 4,459 464 0.026 M Stainless steels – INOX < 700 N/mm² (< 205 HB) 4.1 65 6,900 375 0.014 5,175 346 0.017 4,140 339 0.021 Stainless steels – INOX < 700 N/mm² (< 205 HB) 4.2 48 5,096 245 0.012 3,822 229 0.015 3,057 220 0.018 K Grey cast iron up to 350 HB (GG) 7.1-7.2 138 14,650 1,172 0.020 10,987 1,099 0.025 8,790 1,160 0.033 Modular cast iron up to 250 HB (GGG) 7.3-7.4 100 10,616 849 0.020 7,962 796 0.025 6,369 841 0.033 Malleable cast iron up to 230 HB (GTW/S) 7.5-7.6 100 10,616 849 0.020 7,962 796 0.025 6,369 841 0.033 H Hardened steels 45–55 HRC 8.1 /8.4 70 7,431 268 0.009 5,573 245 0.011 4,459 250 0.014 S Heat-resistant alloys Cr-Ni-basis 5.1-5.5 40 4,246 78 0.005 3,185 76 0.006 2,548 79 0.008 Hardox 400 < 1350 N/mm² 5.6 35 3,715 68 0.005 2,787 67 0.006 2,229 70 0.008 Hardox 500 < 1800 N/mm² 5.7 30 3,185 59 0.005 2,389 57 0.006 1,911 60 0.008 Titanium alloys 6.1-6.2 60 6,369 117 0.005 4,777 115 0.006 3,822 119 0.008 N Aluminium long chipping 9.1 330 35,032 2,803 0.020 26,274 2,627 0.025 21,019 2,808 0.033 Aluminium short chipping 9.2 340 36,093 2,743 0.019 27,070 2,490 0.023 21,656 2,772 0.032 Aluminium alloys < 12% Si 9.3 265 28,132 1,913 0.017 21,099 1,857 0.022 16,879 2,093 0.031 Copper 10.1/10.3 210 22,293 1,783 0.020 16,720 1,672 0.025 13,376 1,787 0.033 Copper alloys (bronze/brass) 10.2 180 19,108 1,376 0.018 14,331 1,318 0.023 11,465 1,422 0.031 Recommended cutting data for Karnasch solid carbide end mills ap ae ap = 1×  / ae = 0.5×  11 Index 10 9 OIL 8 7 6 5 4 3 2 1