Technical Information for Centre-Dex SFM (m/min ) Material PVD CVD PCD Hardness VPUK20 VP1020 VP5020 VP5045 VP5142 VP1120 VP1130 VPD720 Steels Fr

Technical Information for Centre-Dex SFM (m/min.) Material PVD CVD PCD Hardness VPUK20 VP1020 VP5020 VP5045 VP5142 VP1120 VP1130 VPD720 Steels Free Machining Low Carbon 120 170 BHN 800 1100 (240 330) 200 800 (60 240) 500 800 (150 240) Medium High Carbon 180 220 BHN 600 800 (180 240) 200 500 (60 150) 350 600 (105 180) Alloy Easy To Machine Tool Steels 200 240 BHN 500 700 (150 210) 200 500 (60 150) 300 450 (90 135) Tool Die Steels 220 260 BHN 350 500 (105 150) 200 350 (60 105) 200 350 (60 105) Stainless Steels Ferritic Martensitic 180 240 BHN 500 700 (150 210) 200 550 (60 165) 300 500 (90 150) Austenitic 140 180 BHN 400 600 (120 180) 200 500 (60 150) 250 450 (75 135) PH Duplex 220 260 BHN 350 500 (105 150) 200 400 (60 120) 200 350 (60 105) Cast Irons Gray Cast Iron 180 260 BHN 250 400 (75 130) 400 700 (120 215) 600 700 (180 210) 800 1000 (240 300) 600 900 (200 300) Bi Metal <1500(<450) 220 260 BHN 200 300 (60 90) 350 600 (110 180) 500 600 (150 180) 700 800 (210 240) 500 700 (150 210) Bi Metal <1500(<450) Ductile Iron 140 180 BHN 225 350 (65 105) 350 600 (110 180) 500 600 (150 180) 700 800 (210 240) 500 700 (150 210) 220 260 BHN 200 300 (60 90) 350 500 (110 150) 400 500 (120 150) 500 700 (150 210) 400 600 (120 180) High Temperature Alloys Iron Based Alloys 150 200 (45 60) 225 250 (65 75) 175 225 (55 65) Nickel Cobalt Base Alloys Hastelloy, Inconel, Stellite 75 100 (25 30) 150 175 (45 55) 125 150 (35 45) Titanium Alloys 150 200 (45 60) 225 275 (65 85) 150 200 (45 60) Aluminum Aluminum < 7% Si 1000 2000 (300 600) 1500 3000 (450 900) 200015,000 (600 4500) Aluminum 7% 12% Si 800 1750 (240 525) 1250 2500 (375 750) 1500 10,000 (450 3000) Aluminum > 12% Si 500 1000 (150 300) 800 1500 (240 450) 1000 3000 (300 900) Non Ferrous Non Ferrous 400 1000 (120 300) 600 1400 (180 420) 1000 3000 (300 900) F 453 Technical information Milling WALTER Valenite