Page 713 - ISCAR(TURNING-CATALOG-42-2022)
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USER GUIDE
Machining Data for Threading
Coated THREADING
Tensile Material IC228 IC908 IC808 IC1007
Strength Hardness Group
ISO Material Condition (N/mm ) HB No. Cutting Speed (m/min)
2
< 0.25 %C Annealed 420 125 1 60-100 115-190 125-205 135-230
>= 0.25 %C Annealed 650 190 2 60-95 110-180 120-195 130-220
Non-alloy
steel and cast < 0.55 %C Quenched and 850 250 3 50-90 100-175 105-185 120-210
steel, free tempered
cutting steel Annealed 750 220 4 45-85 90-165 95-175 110-200
>= 0.55 %C Quenched and 1000 300 5 45-85 90-165 95-175 110-200
tempered
Annealed 600 200 6 50-95 100-180 105-195 120-215
P
Low alloy and cast steel (less 930 275 7 40-75 75-140 80-150 90-170
than 5% of alloying elements) Quenched and 1000 300 8 35-70 70-135 75-145 85-160
tempered
1200 350 9 35-70 70-135 75-145 85-160
Annealed 680 200 10 40-65 80-120 85-130 95-145
High alloyed steel, cast
steel, and tool steel Quenched and 1100 325 11 25-50 50-100 55-105 60-120
tempered
Ferritic/martensitic 680 200 12 35-70 70-130 75-140 85-155
Stainless steel and cast steel
Martensitic 820 240 13 45-60 85-110 90-120 100-130
M Stainless steel and cast steel Austenitic, duplex 600 180 14 45-75 90-140 95-150 110-170
Ferritic/pearlitic 180 15 65-85 125-160 135-170 150-190
Gray cast iron (GG)
Pearlitic /martensitic 260 16 45-65 90-120 95-130 110-145
Ferritic 160 17 35-70 70-130 75-140 85-155
K Nodular cast iron (GGG)
Pearlitic 250 18 30-60 60-115 65-125 70-140
Ferritic 130 19 30-35 60-70 65-75 70-85
Malleable cast iron
Pearlitic 230 20 30-75 60-145 65-155 70-175
Not hardenable 60 21 50-195 100-365 105-390 120-440
Aluminum-wrought alloys
Hardenable 100 22 40-115 80-220 85-235 95-265
<=12% Si Not hardenable 75 23 105-215 200-400 215-430 240-480
Aluminum-
cast alloys Hardenable 90 24 105-150 200-280 215-300 240-335
>12% Si High temperature 130 25 105-150 200-280 215-300 240-335
N >1% Pb Free cutting 110 26 40-135 80-255 85-275 95-305
Copper alloys Brass 90 27 40-135 80-255 85-275 95-305
Electrolytic copper 100 28 40-130 80-255 85-275 95-305
Duroplastics,
Non metallic fiber plastics 29 40-130 80-250 85-265 95-300
Hard rubber 30 40-130 80-250 85-265 95-300
Annealed 200 31 25-30 45-60 50-65 55-70
Fe based
High Hardened 280 32 15-25 35-50 35-55 40-60
temperature Annealed 250 33 10-15 20-30 20-30 25-35
alloys Ni or Co Hardened 350 34 5-10 15-25 15-25 18-30
S based
Cast 320 35 5-10 15-25 15-25 18-30
Pure 400 36 75-90 140-170 150-180 170-205
Titanium alloys Alpha+beta alloys
hardened 1050 37 25-35 50-70 55-75 60-85
Hardened 55 HRC 38 25-30 45-60 50-65 55-70
Hardened steel
H Hardened 60 HRC 39 25-30 45-60 50-65 55-70
Chilled cast iron Cast 400 40 25-30 45-60 50-65 55-70
Cast iron Hardened 55 HRC 41 25-30 45-60 50-65 55-70
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