In most cutting tool catalogs, you will come across a “code” that looks like “P05-P15” / “K30-K45” etc… What does it mean?
Format:X | n | n | - | m | m |
Letter X :The material group for which the grade should function. The material is designated with a letter and a color code:
Numbers – nn & mm: A number between 5 and 45 in increments of 5 (05, 10, 15…45) representing the “difficulty level” of the application.
Example | Explanation |
---|---|
P05-15 | A grade dedocated for machining steel in very stable conditions. |
P15-30, M15-30, K15-30, S15-25 | An all-around grade for machining all material types (Except non-ferous) in general conditions |
S15-25 | A grade dedicated for machining Superalloys in general conditions. |
P30-40, K35-45 | A grade for machining steel and cast iron in unfavorable/unstable conditions. |