Page 226 - MILLING CATALOG p319-550

MILLING INSERTS USER GUIDE
ISO
Cutting Speed Recommendations for Indexable Milling Cutters

CUTTING SPEED Vc (m/min)

Tensile Material COATED
Strength Hardness Group IC330/ IC808/ IC810/ IC830/
Material Condition [N/mm2] HB No. (1) 328 IC380 908
910 928 IC840 IC845 IC882

< 0.25 %C Annealed 420 125 1 140-200 210-300 190-260 150-240 130-220

Non-alloy >= 0.25 %C Annealed 650 190 2 130-190 200-280 170-240 140-230 120-200
850 250 3 130-190 200-260 160-230 140-230 120-190
steel and < 0.55 %C Quenched 750 220 4 120-180 180-250 140-220 130-220 120-180
cast steel, and tempered 1000 300 5 120-170 180-240 140-210 130-200 110-180

free cutting Annealed

steel >= 0.55 %C Quenched

and tempered

P Low alloy and cast Annealed 600 200 6 120-160 170-240 130-210 120-190 100-170
steel (less than 5% of 930 275 7 110-150 160-230 120-200 120-170 100-160
Quenched 1000 300 8 100-140 150-230 110-200 110-170 100-150
alloying elements) and tempered 1200 350 9 90-150 140-220 100-190 100-160 90-150

High alloyed steel, cast Annealed 680 200 10 80-130 120-210 90-180 90-150 80-140
steel and tool steel 1100 325 11 80-120 110-170 80-160 90-140 80-130
Quenched
and tempered

Stainless steel Ferritic/ 680 200 12 100-140 150-230 110-160 110-160
and cast steel martensitic 140-220 100-150 100-150

Martensitic 820 240 13 90-130

M Stainless steel Austenitic, 600 180 14 80-120 100-160 100-150 90-160 70-140
and cast steel duplex

Grey cast iron (GG) Ferritic/ 180 15 220-320
K pearlitic
260 16 200-300
Cast iron nodular (GGG) Pearlitic / 160 17 180-250
martensitic 250 18 160-220

Ferritic

Pearlitic

Malleable cast iron Ferritic 130 19 200-300
Pearlitic 230 20 170-280

Aluminum Not cureable 60 21
wrought alloys Cured 100 22

Aluminum <=12% Si Not cureable 75 23
cast alloys >12% Si 90 24
Cured
N >1% Pb 130 25
High
temperature 110 26

Free cutting

Copper Brass 90 27
alloys 100 28
Electrolytic
copper

Non metallic Duroplastics, 29
fiber plastics 30

Hard rubber

Fe based Annealed 200 31 35-50 45-55 50-60 35-55 40-55 35-50
Cured 280 32 30-40 35-45 40-50 30-45 30-45 30-40
High temp. 250 33 25-35 30-45 35-50 30-45 30-40 25-35
Annealed 350 34 20-25 25-35 25-35 25-35 25-30 20-25
alloys Ni or Co Cured 320 35 25-30 30-35 30-40 30-35 30-35 25-30
Cast
S based

Pure Rm = 400 36 45-80 55-100 65-110 50-90 50-90 45-80
37 30-65 35-65 35-70 30-65 30-60 30-65
Titanium alloys Alpha+beta Rm = 1050
alloys cured

Hardened steel Hardened 55 HRC 38 60-80 55-75
H Chilled cast iron Hardened 60 HRC 39 50-70 45-65
40 100-110 90-105
Cast 400

Cast iron Hardened 55 HRC 41 60-80 55-75

Rm - ultimate tensile strength, MPa

(1) For ISCAR material group numbers and workpiece material list, see pages 728-757

542 ISCAR