y Depth of Cut / Feed per Tooth ( inch) DC Cutting Width ø.750"(ø20mm) ø1.000"(ø25mm) ø1.250"─ø2.000"(ø32mm─ø50mm) Work Material Properties ae Depth of Cut Feed per Tooth Depth of Cut Feed per Tooth Depth of Cut Feed per Tooth ap fz (IPT) ap fz (IPT) ap fz (IPT) P < 0.25DC < 1.102 .006 < 1.457 .007 < 2.165 .008 Mild Steel < 180HB 0.25-0.75DC < 1.102 .005 < 1.457 .006 < 2.165 .007 DC (Slot) < .709 .003 < .709 .003 < .709 .003 < 0.25DC < 1.102 .005 < 1.457 .006 < 2.165 .007 Carbon Steel Alloy Steel 180─280HB 0.25-0.75DC < 1.102 .004 < 1.457 .005 < 2.165 .006 DC (Slot) < .709 .003 < .709 .003 < .709 .003 < 0.25DC < 1.102 .005 < 1.457 .006 < 2.165 .007 < 350HB Alloy Tool Steel (Annealing) 0.25-0.75DC < 1.102 .004 < 1.457 .005 < 2.165 .006 DC (Slot) < .709 .003 < .709 .003 < .709 .003 < 0.25DC < 1.102 .005 < 1.457 .006 < 2.165 .007 Pre-hardened Steel 35─45HRC 0.25-0.75DC < 1.102 .004 < 1.457 .005 < 2.165 .006 DC (Slot) < .709 .003 < .709 .003 < .709 .003 M < 0.25DC < 1.102 .005 < 1.457 .006 < 2.165 .007 Ferritic and Martensitic ─ 0.25-0.75DC < 1.102 .004 < 1.457 .005 < 2.165 .006 Stainless Steel DC (Slot) < .709 .003 < .709 .003 < .709 .003 < 0.25DC < 1.102 .005 < 1.457 .006 < 2.165 .007 Duplex Stainless Steel < 280HB 0.25-0.75DC < 1.102 .004 < 1.457 .005 < 2.165 .006 DC (Slot) < .709 .003 < .709 .003 < .709 .003 < 0.25DC < 1.102 .005 < 1.457 .006 < 2.165 .007 Precipitation Hardening <450HB 0.25-0.75DC < 1.102 .004 < 1.457 .005 < 2.165 .006 Stainless Steel DC (Slot) < .709 .003 < .709 .003 < .709 .003 K < 0.25DC < 1.102 .006 < 1.457 .007 < 2.165 .008 Tensile Strength Gray Cast Iron 0.25-0.75DC < 1.102 .005 < 1.457 .006 < 2.165 .007 < 350MPa DC (Slot) < .709 .004 < .709 .004 < .709 .004 < 0.25DC < 1.102 .005 < 1.457 .006 < 2.165 .007 Tensile Strength Ductile Cast Iron 0.25-0.75DC < 1.102 .004 < 1.457 .005 < 2.165 .006 < 800MPa DC (Slot) < .709 .003 < .709 .003 < .709 .003 N < 0.25DC < 1.102 .006 < 1.457 .007 < 2.165 .008 Aluminum Alloy 0.25-0.75DC < .354 .007 < .354 .008 DC (Slot) < .354 .007 < .354 .008 S < 0.25DC < 1.102 .004 < 1.457 .004 < 2.165 .004 Titanium Alloy < 350HB 0.25-0.75DC DC (Slot) < .709 .002 < .709 .002 < .709 .002 < 0.25DC < 1.102 .003 < 1.457 .003 < 2.165 .003 Heat Resistant Alloy ─ 0.25-0.75DC DC (Slot) < .709 .002 < .709 .002 < .709 .002 Note 1) The above cutting conditons are determined based on high rigidity machine and work materials, where no vibration occurred. Please adjust processing conditions if the vibration is generated. L INDEXABLE MILLING L109