442 Каталог WALTER 2012 Металлорежущий инструмент и оснастка Valenite для станков Стр.A438

Каталог WALTER 2012 Инструмент и оснастка Valenite Стр. A438 0442 ENG Lab2u

WALTER Valenite Technical information Turning Cutting data for turning inserts positive basic shape Carbide grades Material group tr Cutting data for wet machining Dry machining is possible Structure of main material groups and identification letters Brinell hardness HB Tensile strength Rm N/mm2 Machining group 1 3 Cutting material grades Starting values for cutting speed Vc ft/min f 0.004 5615 in/rev 0.008 H 0.016 C f 0.004 5625 in/rev 0.008 0.016 p Unalloyed steel C < 0.25 % annealed 125 428 P1 1700 1520 1300 1440 1320 1050 C > 0.25 < 0.55 % annealed 190 639 P2 1450 1320 1000 1220 1100 880 C > 0.25 < 0.55 % tempered 210 708 P3 1100 980 950 900 800 730 C > 0.55 % annealed 190 639 P4 1400 1320 1250 1150 1050 980 C > 0.55 % tempered 300 1013 P5 820 720 650 670 560 500 Free cutting steel (short-chipping) annealed 220 745 P6 1420 1330 1250 1150 1050 1000 Low-alloyed steel annealed 175 591 P7 1300 1200 1120 1080 980 920 tempered 300 1013 P8 770 660 600 620 520 460 tempered 380 1282 P9 570 470 410 460 360 300 tempered 430 1477 P10 200 160 160 130 High-alloyed steel and high-alloyed tool steel annealed 200 675 P11 1350 1240 1180 1080 980 920 hardened and tempered 300 1013 P12 640 570 510 520 430 360 hardened and tempered 400 1361 P13 220 180 200 160 Stainless steel ferritic / martensitic, annealed 200 675 P14 1150 1040 1000 850 750 690 martensitic, tempered 330 1114 P15 550 460 420 490 390 330 M Stainless steel austenitic, quench hardened 200 675 M1 650 570 austenitic, precipitation hardened (PH) 300 1013 M2 350 240 austenitic / ferritic, duplex 230 778 M3 500 340 K Malleable cast iron ferritic 200 675 K1 790 690 620 pearlitic 260 867 K2 660 560 490 Grey cast iron low tensile strength 180 602 K3 1450 1380 1300 high tensile strength / austenitic 245 825 K4 660 560 490 Cast iron with spheroidal graphite ferritic 155 518 K5 720 620 560 pearlitic 265 885 K6 490 390 330 GGV (CGI) 200 675 K7 N Aluminum wrought alloys cannot be hardened 30 N1 hardenable, hardened 100 343 N2 Cast aluminum alloys < 12 % Si, not hardenable 75 260 N3 < 12 % Si, hardenable, hardened 90 314 N4 > 12 % Si, cannot be hardened 130 447 N5 Magnesium alloys 70 250 N6 Copper and copper alloys (bronze / brass) unalloyed, electrolytic copper 100 343 N7 Brass, bronze, red brass 90 314 N8 Cu-alloys, short-chipping 110 382 N9 high-strength, Ampco 300 1013 N10 S Heat-resistant alloys Fe-based annealed 200 675 S1 hardened 280 943 S2 Ni or Co base annealed 250 839 S3 hardened 350 1177 S4 cast 320 1076 S5 Titanium alloys Pure titanium 200 675 S6 a and p alloys, hardened 375 1262 S7 P alloys 410 1396 S8 Tungsten alloys 300 1013 S9 Molybdenum alloys 300 1013 S10 H Hardened steel hardened and tempered 50 HRC H1 hardened and tempered 55 HRC H2 hardened and tempered 60 HRC H3 Hardened cast iron hardened and tempered 55 HRC H4 O Thermoplasts without abrasive fillers O1 Thermosetting plastics without abrasive fillers O2 Plastic, glass-fiber reinforced GFRP O3 Plastic, carbon-fiber reinforced CFRP O4 Plastic, aramid fiber reinforced AFRP O5 Graphite (technical) 80 Shore O6 Recommended application (the specified cutting data are regarded as starting values for the recommended application). Possible application. Note If dry machining is possible, the tool life reduces by an average of 20-30 %. 1 The machining groups are assigned from H 8 onwards. A 438