Cutting Speeds for Turning

Material	Cutting Tool Material	Rough Cut	Finishing Cut
		m/min	m/min
Free Cutting Steel	H.S.S	35	90
	Cast Alloy	75	145
	Carbide	125	205
Low Carbon Steel	H.S.S	31	80
	Cast Alloy	65	130
	Carbide	106	190
Medium Carbon Steel;	H.S.S	30	69
	Cast Alloy	58	107
	Carbide;	92	152
High Carbon Steel	H.S.S	24	61
	Cast Alloy	53	91
	Carbide	76	137
Cast Iron Grey	H.S.S	24	41
	Cast alloy	43	76
	Carbide	69	125
Brass / Bronze Free Cutting	H.S.S	53	110
	Cast Alloy	105	170
	Carbide	175	275
Aluminium	H.S.S	40	90
	Cast Alloy	55	115
	Carbide	75	185
Plastics	H.S.S	30	75
	Cast Alloy	45	115
	Carbide	60	150