
Machining Materials Guide
Unalloyed Steels
Alloyed Steels
Stainless Steels
PH Stainless
| Cast Irons | K |
| Aluminum & Alloys | N |
| High Temperature Alloys | S |
| Hard Materials (52-56 HRC) | H |
Material Designation
P Unalloyed Steels P Alloyed Steels M Stainless Steels M PH Stainless K Cast Irons N Aluminum & Alloys S High Temp. Alloys H Hard Materials