Speed & Feed Recommendations

HPR | Speed & Feed RecommendationsSeries Z5, Z5 CRFractionalHardnessApAeAeVc (sfm)Diameter (D1)(inch)Ae x D1Ap x D11/81/43/81/25/83/41 PCARBON STEELS1018, 1040, 1080, 1090, 10L50, 1140, 1212, 12L15, 1525, 1536 275 Bhnor 28 HRcProfile (444-666) (ipm) 1440 RPM13446672344823362268922411681(352-528 ) (ipm) STEELS4140, 4150, 4320, 5120,5150, 8630, 86L20, 50100 375 Bhnor 40 HRcProfile (252-378) (ipm) 1250 RPM764038202547191015281273955(200-300) (ipm) STEELSA2, D2, H13, L2, M2,P20, S7, T15, W2 375 Bhnor 40 HRcProfile (148-222) (ipm) 1145 RPM4431221614771108886739554(116-174) (ipm) IRONS(LOW & MEDIUM ALLOY)Gray, Malleable, Ductile 220 Bhnor 19 HRcProfile (356-534) (ipm) 1355 RPM10849542436162712217018081356(284-426 ) (ipm) IRONS (HIGH ALLOY)Gray, Malleable, Ductile 260 Bhnor 26 HRcProfile (272-408) (ipm) 1270 RPM8251412627502063165013751031(216-324) (i)

14 www.kyocera-sgstool.com Z-Carb HPR | Speed & Feed Recommendations Series 1 Z5MCR Metric Hardness Ap Ae Ae Vc (m/min) Diameter (D ) (mm) Ae x D 1 Ap x D 1 6 8 10 12 16 20 25 P CARBON STEELS 1018, 1040, 1080, 1090, 10L50, 1140, 1212,

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