ISCAR Cutting Tools - Metal Working Tools

Grade : IC8250

A tough substrate with a cobalt enriched layer combined with MTCVD TiCN and a thick alpha Al₂O₃ CVD coating. Recommended for general use machining of steel in a wide range of conditions, featuring high toughness and wear resistance.

Property	Value
ISO Range - P/M/K	(P10-P35)(M05-M20)
ISO Range - N/S/H

Property	Value
Grade or Coating Type	CVD
Coating Layers	TiCN+Al₂O₃+TiN

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Cutting Speed for: GIPI 3.00E-0.40 IC8250 - 6405209

ISO	Material	Material Designation	Material Condition	Hardness	Cutting Speed Recommendations (Vc)
P	1	Non-alloy steel and cast steel, free cutting steel <0.25% C	Annealed	125 HB	195-260 m/min
P	2	Non-alloy steel and cast steel, free cutting steel >=0.25% C	Annealed	190 HB	170-235 m/min
P	3	Non-alloy steel and cast steel, free cutting steel <0.55% C	Quenched and tempered	250 HB	135-200 m/min
P	4	Non-alloy steel and cast steel, free cutting steel >=0.55% C	Annealed	220 HB	145-220 m/min
P	5	Non-alloy steel and cast steel, free cutting steel >=0.55% C	Quenched and tempered.	300 HB	115-185 m/min
P	6	Low alloy and cast steel (less than 5% of alloying elements)	Annealed	200 HB	125-195 m/min
P	7	Low alloy and cast steel (less than 5% of alloying elements)	Quenched and tempered	275 HB	115-195 m/min
P	8	Low alloy and cast steel (less than 5% of alloying elements)	Quenched and tempered	300 HB	115-185 m/min
P	9	Low alloy and cast steel (less than 5% of alloying elements)	Quenched and tempered	350 HB	105-170 m/min
P	10	High alloyed steel, cast steel and tool steel	Annealed	200 HB	170-235 m/min
P	11	High alloyed steel, cast steel and tool steel	Quenched and tempered	325 HB	105-170 m/min
P	12	Stainless steel and cast steel	Ferritic/martensitic	200 HB	80-145 m/min
P	13	Stainless steel and cast steel	Martensitic	240 HB	75-140 m/min
M	14	Stainless steel and cast steel	Austenitic	180 HB	45-90 m/min
K	15	Grey cast iron (GG)	Pearlitic/ferritic	180 HB	125-225 m/min
K	16	Grey cast iron (GG)	Pearlitic/martensitic	260 HB	105-155 m/min
K	17	Nodular cast iron (GGG)	Ferritic	160 HB	110-190 m/min
K	18	Nodular cast iron (GGG)	Pearlitic	250 HB	90-150 m/min
K	19	Malleable cast iron	Ferritic	130 HB	140-235 m/min
K	20	Malleable cast iron	Pearlitic	230 HB	115-190 m/min

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Grade : IC8250

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