
SELECTION GUIDE PARTING Main Chipformers - Recommended Feed C Workpiece Hardness PARTING MF C MF J J LF LF UT UT 0.01 0.03 0.05 0.07 0.09 0.11 0.13 0.15 0.17 0.19 0.21 0.23 0.25 Feed mm/rev Selection of Chipformers for Various Workpiece Materials Austenitic High Temp. Nonferrous Inserts Alloy Steel Cast Iron Stainless Alloys Materials C ✔ ✔ ✔ ✘ ✔ (IC20 only) (IC20 only) W ✔ ✘ ✘ ✘ ✔ High C-jet ✔ ✔ ✔ ✘ ✘ (Coolant) ✔ MF ✔ Medium to ✔ ✘ ✔ high feed JT ✔ ✔ ✔ ✘ ✔ J Feed ✔ ✔ ✔ ✔ ✘ Z ✔ ✔ ✔ ✔ ✘ LFT ✔ ✔ ✔ ✘ ✘ LF ✔ ✔ ✔ ✘ ✘ UT ✔ ✘ ✘ ✘ ✘ Low P ✔ ✔ ✘ ✔ ✘ A ✘ ✘ ✘ ✔ ✘ ✔ First choice 369 369