RECOMMENDED CUTTING CONDITIONS y Cutting Speed Work Material Hardness Cutting speed vc (SFM) P FH7020 MP6120 MP6130 VP30RT Mild Steel ≤180HB 850 750 685 620(700─1000)(580─910)(515─845)(450─880) Carbon Steel 180─280HB 550 480 415 350(400─700)(320 ─ 630)(255─565)(190─500) Alloy Steel 280─350HB 450 350 285 220(300 ─ 600)(190─500)(125─435)(60─370) Alloy Tool Steel ≤350HB 450 350 285 220(300 ─ 600)(190─500)(125─435)(60─370) Pre-hardened Steel 35─45HRC ─ 330 265 200(230─425)(165─360)(100─295) M MP7130 MP7140 Stainless Steel ≤270HB 450 385 ─(300 ─ 600)(235─535)─ K FH7020 VP15TF Gray Cast Iron Tensile Strength 850≤350MPa(700─1000)─ ─ ─ Ductile Cast Iron Tensile Strength≤800MPa ─ 550(400─700) ─ ─ S MP9120 MP9130 MP9140 Heat Resistant Alloy ≤350HB 100 80 65 ─(65─130)(65─115)(50─100) Titanium Alloy ─ 165 150 130(130─195)(100─180)(100─165)─ H VP15TF Hardened Steel 40─55HRC 230 ─(165─295) ─ ─ L L217 INDEXABLE MILLING