Cermet Insert Speeds and Feeds

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Contains information about:
Speeds and Feeds
Troubleshooting
Application Examples
Calculators

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Cermet Machining Recommendations

R=Roughing

SR=Semi-Roughing

SF=Semi-Finishing

F=Finishing

Turning & Boring

Material	Operation	Recommended Grade	Speed (SFM)	Feed (IPR)
Low Carbon Steels <Rc35	SR SR, F	CC-44 CC-42, CC-44	200 - 1,000 200 - 1,200	.006 - .014 .004 - .014
Tool Steels <Rc35	SR SF, F	CC-44 CC-42, CC-44	350 - 900 250 - 900	.006 - .014 .004 - .014
Stainless Steels	SR SF, F	CC-44 CC-42, CC-44	150 - 750 200 - 900	.004 - .014 .004 - .012
Alloy Steels <Rc45	SR SF, F	CC-44 CC-42, CC-44	100 - 1,000 200 - 1,000	.006 - .016 .004 - .013
Cast & Nodular Iron	SR SF, F	CC-44 CC-42, CC-44	200 - 850 200 - 1,200	.008 - .018 .006 - .018
Nickel Based Alloys	SF, F	CC-42, CC-44	200 - 700	.004 - .010
Powdered Metals	SR, R SF, F	CC-44 CC-42, CC-44	400 - 2,300	.002 - .010
Non-Ferrous Metals	SR, R SF, F	CC-44 CC-42, CC-44	350 - 2,500 450 - 3,300	.006 - .022 .006 - .020
Non-Metallics	SR, R SF, F	CC-44 CC-42, CC-44	300 - 2,100 900 - 2,600	.003 - .014 .002 - .012

Milling

Material	Operation	Recommended Grade	Speed (SFM)	Feed (IPT)
Carbon Steels <Rc35	SR, R F	CC-43 CC-42, CC-44	300 - 850 450 - 1,150	.002 - .006 .002 - .006
Alloy Steels <Rc40	SR, R F	CC-43 CC-42, CC-44	150 - 700 300 - 1,050	.002 - .007 .002 - .005
Tool and Stainless Steels	SR, R F	CC-43 CC-42, CC-44	200 - 700 250 - 800	.002 - .006 .002 - .005
Cast Steels	SR, R F	CC-43 CC-42, CC-44	200 - 900 250 - 1,250	.002 - .007 .002 - .005
Cast Iron	SF, F	CC-44	400 - 1,250	.002 - .005
Nodular Iron	SF, F	CC-44	150 - 550	.002 - .005

Comparison Chart for all Cermet Grades

Chelsea	Kennametal	Kyocera	NTK	Sumitomo	Teledyne	Valenite
CC-42	KT-125	TC-30, 40	T3N, T4N		SD-3	VC-605, 610
CC-43	KT-175	TC-50, 60	XN4	T130A	SDM-14	VC-630, 675
CC-44	KT-150	TN-60	XT3	T05A, T12A T110A, T220A	SD-5	VC-671, 673

Properties Chart for all Cermet Grades

Grades	Density (G/cm3)	Hardness (Ra)	T.R.S (Klc)
CC-42	6.5	93.5	6.5
CC-43	6.42	92.0	8.2
CC-44	6.48	92.5	7.5