PTNT GTN Style Part-Off - Parting Inserts APT APT Brand PTNT GTN Style Part-off - Parting Inserts made in Europe
Grade NK240, fine grain Carbide with high quality PVD TiAlN Coating for use on a wide range of Materials including Steel, Stainless, Cast Iron and High Temp Alloys
Grade P30C MT-CVD Multi Coated Carbide (TiN-TiCN-Al2O3-TiN) suitable for General Use on Steel and Stainless
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Recommended Cutting Conditions - Speeds and Feeds for PTNT & Parting Inserts
Material Grade - Range (ISO) Cutting Speed m/min Feed mm/rev Width of Cut Plain Carbon Steel 125 HB NK240 (P25-P40) 80-220 0.06-0.25 Insert Width Plain Carbon Steel 150-300 HB NK240 (P25-P40) 70-160 0.06-0.25 Insert Width Low Alloyed Steel 180-300 HB NK240 (P25-P40) 60-170 0.06-0.20 Insert Width Low Alloyed Steel 350 HB NK240 (P25-P40) 60-120 0.06-0.20 Insert Width High Alloyed & Tool Steel 200-350 HB NK240 (P25-P40) 60-140 0.06-0.18 Insert Width Corrosion Resistant Steel 200-325 HB NK240 (P25-P40) 50-170 0.06-0.18 Insert Width Stainless Steel 180-200 HB NK240 (M25-M35) 50-180 0.06-0.20 Insert Width Duplex Stainless 230-260 HB NK240 (M25-M35) 50-100 0.06-0.18 Insert Width Hardened Stainless 330 HB NK240 (M25-M35) 50-80 0.06-0.15 Insert Width Cast Iron Ferritic 130-180 HB NK240 (K25-K40) 100-200 0.06-0.20 Insert Width Cast Iron Pearlitic 230-260 HB NK240 (K25-K40) 80-160 0.06-0.20 Insert Width Iron Based Hi-temp Alloys NK240 (S20-S25) 20-50 0.06-0.12 Insert Width Nickel Based Hi-temp Alloys NK240 (S20-S25) 10-25 0.06-.012 Insert Width
