INDEXABLE MILLING RECOMMENDED CUTTING CONDITIONS y Wet Cutting Condition Work Material Hardness 1st 2ndRecommendationRecommendationvc(SFM) Finish Cutting fz (IPT) ap P L Breaker MP6120 VP15TF 490 (330 ─ 655) .006 (.004 ─ .008) < .039 Mild Steel < 180HB MP6130 VP20RT 490 (330 ─ 655) .006 (.004 ─ .008) < .039 Carbon SteelAlloy Steel MP6120 VP15TF 395 (260 ─ 525) .006 (.004 ─ .008) < .039180 ─ 350HBMP6130VP20RT395 (260 ─ 525).006 (.004 ─ .008)< .039 < 350HB MP6120 VP15TF 395 (260 ─ 525) .006 (.004 ─ .008) < .039 Alloy Tool Steel (Annealing) MP6130 VP20RT 395 (260 ─ 525) .006 (.004 ─ .008) < .039 MP6120 VP15TF 330 (260 ─ 395) .006 (.004 ─ .008) < .039 Pre-Hardened Steel 35 ─ 45HRC MP6130 VP20RT 330 (260 ─ 395) .006 (.004 ─ .008) < .039 M L Breaker MP7130 VP15TF 425 (260 ─ 590) .006 (.004 ─ .008) < .039 Austenitic Stainless Steel < 200HB MP7140 VP20RT 425 (260 ─ 590) .006 (.004 ─ .008) < .039 MP7130 VP15TF 330 (260 ─ 490) .006 (.004 ─ .008) < .039 Austenitic Stainless Steel > 200HB MP7140 VP20RT 330 (260 ─ 490) .006 (.004 ─ .008) < .039 MP7130 VP15TF 330 (260 ─ 490) .006 (.004 ─ .008) < .039 Duplex Stainless Steel < 280HB MP7140 VP20RT 330 (260 ─ 490) .006 (.004 ─ .008) < .039 Precipitation HardeningStainless Steel MP7130 VP15TF 295 (165 ─ 460) .006 (.004 ─ .008) < .039< 450HBMP7140VP20RT295 (165 ─ 460).006 (.004 ─ .008)< .039 K L Breaker MC5020 ─ 590 (525 ─ 655) .006 (.004 ─ .008) < .039 Gray Cast Iron < 350MPa VP15TF VP20RT 425 (330 ─ 525) .006 (.004 ─ .008) < .039 MC5020 ─ 590 (525 ─ 655) .006 (.004 ─ .008) < .039 Ductile Cast Iron < 450MPa VP15TF VP20RT 425 (330 ─ 525) .006 (.004 ─ .008) < .039 MC5020 ─ 590 (525 ─ 655) .006 (.004 ─ .008) < .039 Ductile Cast Iron < 800MPa L VP15TF VP20RT 360 (260 ─ 460) .006 (.004 ─ .008) < .039 N L Breaker Aluminum Alloy ─ TF15 ─ 1640 (655 ─ 3280) .006 (.004 ─ .008) < .039 S L Breaker MP9120 VP15TF 165 (130 ─ 195) .002 (.002 ─ .004) < .039 Titanium Alloy ─ MP9130 VP20RT 165 (130 ─ 195) .002 (.002 ─ .004) < .039 MP9120 VP15TF 130 (65 ─ 165) .002 (.002 ─ .004) < .039 Heat Resistant Alloy ─ MP9130 VP20RT 130 (65 ─ 165) .002 (.002 ─ .004) < .039 Note 1) Refer to the table above and set the cutting conditions to match the application. Note 2) Wet cutting is recommended, when focusing on the surface finish. (Life is lower than dry cutting.) L028 INDEXABLE MILLING