| Workpiece material |
| Machining operation |
Free machining
nonferrous alloys
|
Tough
nonferrous alloys |
Free machining
and low carbon steels |
Medium carbon
steels |
High carbon and alloy steels |
Stainless and heat resistant
alloys |
|
Grinding |
General purpose or clear type
soluble oils |
Clear type, soluble oil or chemical grinding fluid |
| Turning |
General purpose,
soluble oils |
General purpose
or fatty, soluble
oils |
General purpose, soluble oil or
synthetic fluid |
Extreme pressure, soluble oil or
synthetic fluid |
| Milling |
General purpose
or fatty, soluble
oils |
Extreme pressure, soluble oil or
synthetic fluid |
Extreme pressure, soluble oil or
synthetic fluid (neat cutting oils may be necessaary) |
| Drilling |
General purpose
or fatty, soluble
oils |
Fatty or extreme
pressure, soluble
oils; synthetic
fluids |
| Gear shaping |
Extreme pressure, soluble oil or
synthetic fluid |
Neat cutting oils preferable |
| Hobbing |
Extreme pressure, soluble oil or
synthetic fluid |
Neat cutting oils preferable |
| Broaching |
Extreme pressure, soluble oil or
synthetic fluid |
Neat cutting oils preferable |
| Tapping |
General purpose
or fatty, soluble
oils (neat cutting oils may be preferable) |
Extreme pressure, soluble oil or
synthetic fluid (neat cutting oils may be preferable) |