Application Summary of Turning Grrades

Workpiece	ISO	Coated		Uncoated	Cermet	CBN
		CVD	PVD
K Cast Iron	01
	10
	20	GK1115 GK1120			GP91TF GP91TM	BKN115P BKN115S
	30	GK1125				BKN125S BKN135S
	40		GK1125
	50

 

Coated Carbide (CVD)

Workpiece		Cutting Mode	Recommended Grade	Recommended Cutting Speed (m/min)	ISO	Application Range
K	Cast Iron	Continuous Cutting	GK1115	200-400	K01
			GK1120		K10
		Interrupted Cutting	GK1125	150-300	K20	GK1115
			GK1130		K30	GK1120 GK1125
					K40	GK1130

Cermet

Workpiece		Cutting Mode	Recommended Grade	Recommended Cutting Speed (m/min)	ISO	Application Range
K	Cast Iron	Finishing	GP91TF	(230) 130-330
					K01
					K10	GP91TF
			GP91TM	(210) 100-300	K20	GP91TM