Заказ инструмента: http://steelcam.org | 8 (343) 382-52-03 | sales@sverla-ekb.ru Cutting Conditions Speed vc (m/min) Speed vc (m/min) Wear Resistance For all Families -- + Speed min. - max. Coolant Recommendation PVD PVD CVD PVD PVD Uncoated PVD Recommended  Possible  Standard X Grade X Grade X Grade Standard Micrograin Standard ISO Materials Rm and SP5419 X400 X500 X700 SP6519 GH2 SP4019 Hardness <600 N/mm2 115 - 205 120 - 260 130 - 270 130 - 295 140 - 315 Unalloyed <180 HBN Steel <950 N/mm2          <280 HBN 105 - 185 105 - 230 115 - 240 115 - 260 120 - 275 P 700-950 N/mm2 90 - 160 95 - 200 100 - 210 100 - 230 105 - 245 200-280 HBN Alloyed 950-1200 N/mm2          Steel 280-355 HBN 70 - 120 70 - 150 75 - 160 75 - 175 80 - 190 1200-1400 N/mm2  45 - 80  45 - 95  50 - 100  50 - 110  50 - 120 355-415 HBN Austenitic + Ferritic 115 - 250 115 - 260 115 - 270 120 - 280 Stainless 300 series M Steel Martensitic         Technical 400 series 100 - 220 105 - 230 105 - 235 110 - 250 PH Stainless Refractory  50 - 110  50 - 115  50 - 120  50 - 130 P.H. Grey 120 - 280 140 - 295 120 - 250 145 - 330 GG-Ft K Cast Iron Spheroidal-Ductile   105 - 205   110 - 240   105 - 215  115 - 255 GGG-FGS Malleable 95 - 170 100 - 220 100 - 185 105 - 235 GTS - MN/MP Aluminium & Alloys 400 - 2745 400 - 2895 N Aluminium < 16% Si 116 HBN & Alloys Aluminium + Silicon   > 16% Si 92 HBN 295 - 2135 295 - 2320 Iron Based 23 - 48 23 - 52 23 - 55 24 - 63 High Cobalt Based 21 - 44 22 - 46 22 - 48 23 - 52 S Temperature     Alloys Nickel Based 24 - 51 25 - 53 25 - 55 26 - 59 Titanium Based 35 - 73 36 - 75 36 - 79 37 - 84 Hard Steel >1400 N/mm2 45 - 95 50 - 100 H Hard >415 HBN Materials Chilled Cast Iron   >1400 N/mm2 35 - 80 40 - 90 > 400 HBN A290 www.kennametal.com