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40TECHNICAL DATASpeeds and FeedsEND MILLMaterial Group Material TypeCutting Speed (Vc) m/min2 Flute Square 2 Flute Ball Nosem/min SFM m/min SFMSteel Structural Steel 70-100 229 - 328 60-80 196 - 262Free Cutting Steel 55-90 180 - 295 60-80 196 - 262Unalloyed Heat Treatable Steel 55-90 180-295 40-60 131 - 196Unalloyed Case Hardened Steel 80-100 262-328 40-60 131 - 196Alloyed Case Hardened Steel 50-70 164-229 35-45 114 - 148Nitriding Steel 60-90 196-295 35-45 114 - 148Acid Resistant / Stainless Steel, Sulphured 30-45 98 - 148 30-40 98 - 131Stainless Steel Austenitic Steel, MartensiticHigh Tensile Steel Low Carbon Steel 50-60 164 - 196 55-70 180 - 230Medium Carbon Steel 40-50 131 - 164 40-60 131 - 196Alloyed Heat Treatable Steel 55-80 180 - 262 50-70 164 - 230Tool Steel 55-80 180 - 262 40-60 131 - 196High Speed Steel 35-45 114 - 147 40-60 131 - 196Spring Steel 35-45 114 - 117 50-70 164 - 230Cast Materials Cast Iron 80-110 262 - 360 60-75 196 - 246Spheroidal Graphite & Malleable CI 70-90 230 - 295 50-60 164 - 196Chilled CI 40-50 131 - 164 45-60 147 - 196Aluminum & Aluminum 400-450 1312 - 1476 500-700 1640 - 2296Aluminum Alloys Al Wrought Alloys 450-550 1476 - 1800 450-500 1476 - 1640Al Cast Alloys < 10%Si 150-220 492 - 721 75-90 246 - 295Al Cast Alloys > 10%Si 150-220 492 - 721 75-90 246 - 295Special Alloys Special Alloys 20-30 65 - 98 30-40 98 - 131Ti Alloys 30-45 98 - 147 50-60 164 - 196Non ferrous Metals Copper Low Alloyed 90-120 295 - 393 75-90 246 - 295Brass 70-90 230 - 295 50-60 164 - 196Bronze 60-90 196 - 295 75-100 246 - 328Magnesium Alloys Mg Alloys 200-250 656 - 820 70-100 230 - 328End MillTECHNICAL DATA