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MICRO-GRAIN CEMENTED CARBIDE (SOLID TOOLS)

• Compared to general cemented carbide, micro-grain alloy has higher wear resistance and higher toughness.

Micro-Structure of MF10

Micro-Structure of TF15

SELECTION STANDARD

Cutting Tool	Recommended Grade	Workpiece
PCB Drill	SF10 MF07 MF10 MF20	Non-Metal
Solid Carbide Drill Turning Inserts Milling Inserts	TF15	Steel, Cast Iron
Solid End mill	HTi10 TF15 MF10	Steel, Cast Iron
Gear Hob Reamer Tap etc.	TF15 MF20 MF30	Steel, Cast Iron, etc.

CUTTING PERFORMANCE

<Cutting condition>

Workpiece:

Die steel (40HRC)

Tool:

ø6mm,4 flutes

Helical Angle:

30°

vc=30m/min
n=1,600min-1
fz=0.02mm/tooth
vf=128mm/min
Depth of Cut in the Axial Direction=9.0mm
Depth of Cut in the Radial Direction=0.6mm
Down Cut, Dry

Grade	Grade Characteristics			ISO	Wear Resistance	Fracture Resistance	Corrosion Resistance
	Specific Gravity	Hardness(HRA)	T.R.S(GPa)*
HTi10	14.9	92.0	3.2	K10
TF15	14.5	91.0	4.0	K20
SF10	14.9	92.7	3.8	K01
MF07	14.7	93.2	3.9	K01
MF10	14.6	93.0	4.0	K01
MF20	14.2	92.0	4.4	K10
MF30	13.7	90.7	4.3	K20

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