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24
14.0 Recommended cutting speeds
Table 4
Workpiece material Speed (SFM) Feed (LPR)
Aluminum 2021 to 6061 500 0.002
Brass 75 0.001
Bronze 70 0.001
Cast Iron
Gray 35 to 125 00015 to 0.004
Ductile 15 to 125 0.001 to 0.004
Malleable 35 to 170 0.0015 to 0.003
Copper
101 to 757 85 to 90 0.002
834 to 978 340 0.003
Magnesium AZ,AM,EZ,ZE,HK types 500 0.002
Nickel
Nickel 200 to 230 85 0.002
Monel 15 to 60 0.001 to 0.0015
Inconel, Waspaloy 15 0.002
Hastelloy 10 to 15 0.002
Plastic
TFE, CTFE 250 0.002
Nylon 350 0.002 to 0.003
Phenolic 350 0.003
Stainless Steel
201 to 385 65 to 85 0.001 to 0.002
405 to 446 90 0.0011
15-5 PH, 16-6 PH 30 to 60 0.0006 to 0.0012
Steel
1005 to 1029 80 to 140 0.001 to 0.002
1030 to 1055 35 to 115 0.0009 to 0.0015
1060 to 1095 30 to 80 0.0007 to 0.001
10L45 to 10L50 40 to 140 0.0009 to 0.0015
12L13 to 12L15 225 to 280 0.003 to 0.0035
41L30 to 41L50 20 to 110 0.0007 to 0.0015
4140 to 4150 20 to 115 0.0007 to 0.0015
4140 (35 HRC) 70 0.001
8617 to 8622 40 to 120 0.001 to 0.0016
M-1 to M-6 60 0.0013
H-10 to H-19 20 to 80 0.007 to 0.0011
D-2 to D-7 45 to 60 0.001
A-2 to A-9, 01 to 07 45 to 60 0.001
W-1, W-2 110 0.0015
M-50, 52100 20 to 85 0.0007 to 0.0015
Titanium TI-6AI-6V 45 0.001
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