Material |
Recommended speed (sfm) |
Aluminum and its Alloys |
200-300 |
Brass and Bronze (Ordinary) |
150-300 |
Bronze (High Tensile) |
70-150 |
Die Casting (Zinc Base) |
300-400 |
Iron-Cast (Soft)
-Cast (medium hard)
Hard Chilled
Malleable |
75-125
50-100
10-20
80-90 |
Magnesium and its Alloys |
250-400 |
Monel Metal or High-Nickel Steel, Stainless Steel |
30-50 |
Plastics or Similar Materials |
100-300 |
Steel
Mild .2 carbon to .3 carbon
Steel .4 carbon to .5 carbon
Tool 1.2 carbon
Forgings
Alloy - 300 to 400 Brinell |
80-110
70-80
50-60
40-50
20-30 |
High Tensile (Heat Treated) |
(Consult your material supplier) |