
ISCAR
246
USER GUIDE
ISOTURN INSERTS
Machining Data and Speed Recommendations for Turning
ISO
Material Condition
Tensile Strength
Rm [N/mm2=MPa] Hardness HB Material Group No.
Cermet Cermet + PVD
Carbide
+ PVD Carbide + CVD
IC20N IC30N IC520N IC530N IC3028/830 IC8250 IC8150 IC5005/428 IC807/907 IC8350
P
Non-alloy steel and cast
steel, free cutting steel
< 0.25 %C Annealed 420 125 1 250-400 230-380 250-420 230-400 120-200 230-380 280-420 300-450 140-230 125-210
>= 0.25 %C Annealed 650 190 2 220-350 200-330 220-380 200-350 100-170 200-340 240-380 260-400 120-205 110-185
< 0.55 %C Quench and temper 850 250 3 180-320 160-300 180-350 160-320 80-150 170-300 200-340 220-360 100-180 95-165
>= 0.55 %C Annealed 750 220 4 210-340 190-320 210-370 190-340 90-160 190-320 220-360 240-380 115-190 105-175
Quench and temper 1000 300 5 160-300 140-280 160-330 140-300 80-130 160-280 180-320 200-340 95-170 90-155
Low alloy steel and cast steel
(less than 5% all element)
Annealed 600 200 6 180-320 160-300 180-350 160-320 80-150 170-300 200-340 220-360 100-180 95-165
930 275 7 170-300 150-280 170-330 150-300 70-130 160-280 200-320 220-340 95-170 90-155
Quench and tempered 1000 300 8 160-250 140-230 160-280 140-250 60-120 140-250 190-300 210-320 85-150 75-135
1200 350 9 150-220 130-200 150-250 130-230 50-100 120-220 180-280 200-300 70-130 65-120
High alloyed steel, cast steel and tool steel
Annealed 680 200 10 180-300 160-280 180-330 160-300 80-130 170-280 200-320 220-340 100-170 95-155
Quench and temper 1100 325 11 150-220 130-200 150-250 130-230 50-100 120-220 180-280 200-300 70-30 65-120
Ferritic/martensitic 680 200 12 210-340 190-320 210-370 190-340 90-160 190-320 220-360 240-380
Martensitic 820 240 13 180-320 160-300 180-350 160-320 80-150 170-300 240-380 260-400
ISO
Material Condition
Tensile Strength
Rm [N/mm2=MPa] Hardness HB Material No.
Cermet + PVD Carbide + PVD Carbide + CVD
IC520N IC530N IC807/907 IC808/908 IC3028/830 IC6015 IC6025
MStainless steel Austenitic 600 180 14 150-280 140-250 100-200 90-200 50-120 140-250 120-180
ISO
Material Condition
Tensile Strength
Rm [N/mm2=MPa] Hardness HB Material No.
Carbide + CVD Ceramics
Ceramics
+ CVD CBN
IC5005/ 428 IC5010/ 4028 IC8150 IN11 IN23 IS6 IS8 IS80 IB90/85 IB50
K
Grey cast iron (GG) Pearlitic/ferritic 180 15 160-300 160-300 140-280 150-400 500-900 80-300 200-400
Pearlitic/martensitic 260 16 140-280 140-280 120-240 100-350 500-900 50-250 150-350
Ductile cast iron (nodular)
(GGG)
Ferritic 160 17 350-700 300-600 250-350 300-800 300-600 500-1200 300-1000 400-1000 500-12000
Pearlitic 250 18 300-600 250-500 200-300 200-600 200-500 500-1200 250-800 300-800 400-1000
Malleable cast iron Ferritic 130 19 200-350 250-400 180-320 350-500
Pearlitic 230 20 180-280 200-320 150-250 150-400
ISO
Material Condition
Tensile Strength
Rm [N/mm2=MPa] Hardness HB Material No.
Carbide PCD
IC20 ID5
N
Aluminum-wrought alloys Not cureable 60 21 1000-2500 600-2500
cured 100 22 300-1000 600-2500
Aluminum-cast alloys
<=12% Si Not cureable 75 23 300-1000 600-2500
cured 90 24 200-600 600-2500
>12% Si High temp. 130 25
Copper alloys
>1% Pb Free cutting 110 26 250-600 600-1000
Brass 90 27 180-400 600-800
Electrolitic copper 100 28 150-300 600-800
Non-metallic Duroplastics, fiber plastics 29
hard rubber 30
ISO
Material Condition
Tensile Strength
Rm [N/mm2=MPa] Hardness HB Material No.
Carbide Carbide + PVD Whiskers CBN
IC07 IC20 IC804 IC806 IC907 IC3028 IW7 IB05S IB10S IB90 IB85
S
High temp. alloys Fe based Annealed 200 31 40-55 35-45 50-80 30-40
Cured 280 32 30-45 25-35 40-65 20-30
Super alloys Ni or Co based
Annealed 250 33 30-40 25-30 65 - 105 50-80 45-60 20-25 150-450
Cured 350 34 20-30 15-25 50 - 90 40-70 35-45 10-20 100-250 100-250 100-200 120-240
Cast 320 35 25-35 20-30 40 - 85 30-65 30-50 15-25
Titanium
Ti alloys
Rm 400 36 100-160 80-160 150-200 130-160
Alpha+beta alloys cured Rm 1050 37 50-60 50-60 50-100 30-60
ISO
Material Condition
Tensile Strength
Rm [N/mm2=MPa] Hardness HB Material
Ceramics CBN
Carbide
+ PVD
IN22 IN420 IN23 IS8 IB10HC IB10H IB50/55 IB20H IB25HC IB25HA IB85/90 IC907
H
Hardened steel Hardened 55 HRC 38 50-150 60 - 170 40-120 150-350 100-220 100-140 100-220 100-220 90-200 80-140 40-100
Hardened 60 HRC 39 50-120 60 - 140 40-100 150-350 100-220 80-120 100-220 100-220 90-200 60-120 30-60
Chilled cast iron Cast 400 40 30-200 30 - 230 70-150
Cast iron Hardened 55 HRC 41 80-120 60-100 100-140