|
Material Group |
Speed (SFM) |
Feed (Inch/Rev) for each Diameter |
|
1/8 |
1/4 |
1/2 |
3/4 |
|
Aluminum and Alloys |
175-250 |
0.0040 |
0.0060 |
0.0100 |
0.0140 |
|
Brass / Bronze |
70-120 |
0.0040 |
0.0050 |
0.0070 |
0.0100 |
|
Copper and Alloys |
75-120 |
0.0060 |
0.0080 |
0.0120 |
0.0040 |
|
Cast Iron (Soft) 120-220- Bhn |
45-75 |
0.0030 |
0.0040 |
0.0060 |
0.0090 |
|
Cast Iron (Hard) 220-320 Bhn |
30-50 |
0.0020 |
0.0030 |
0.0040 |
0.0050 |
|
Ductile Iron |
50-75 |
0.0040 |
0.0060 |
0.0090 |
0.0120 |
|
Malleable Iron |
75-100 |
0.0050 |
0.0070 |
0.0110 |
0.0150 |
|
Magnesium and Alloys |
200-250 |
0.0050 |
0.0070 |
0.0100 |
0.0130 |
|
Hi-Temp. Alloys - Nickel Base |
20-40 |
0.0020 |
0.0030 |
0.0040 |
0.0060 |
|
Monel - High Nickel Steels |
30-50 |
0.0030 |
0.0040 |
0.0060 |
0.0090 |
|
Plastics - Glass Filled |
150-180 |
0.0020 |
0.0020 |
0.0040 |
0.0050 |
|
Plastics |
130-150 |
0.0020 |
0.0020 |
0.0040 |
0.0050 |
|
Low Carbon Steels Annealed |
65-85 |
0.0060 |
0.0100 |
0.0140 |
0.0200 |
|
Medium Carbon Steels 275-425 Bhn |
40-85 |
0.0040 |
0.0060 |
0.0090 |
0.0110 |
|
Hardened Steels 48-52 Rc ``C" |
20-50 |
0.0020 |
0.0030 |
0.0040 |
0.0050 |
|
Stainless Steels Soft 135-275 bhn |
55-85 |
0.0040 |
0.0060 |
0.0080 |
0.0120 |
|
Stainless Steels Hard 275-425 bhn |
40-65 |
.0030 |
0.0040 |
0.0050 |
0.0050 |
|
Titanium (Soft) |
55-90 |
0.0040 |
0.0060 |
0.0100 |
0.0110 |
|
Titanium (Hard) |
30-65 |
0.0030 |
0.0050 |
0.0080 |
0.0100 |
|
Refractory Alloys |
50-90 |
0.0040 |
0.0050 |
0.0070 |
0.0090 |
