PCBN Tools Grades

Category

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Category	Grade	CBN Size (μm)	Content (Wt%)	Binder	Applications	Machining
BNS BNW	110	8~12	90~92	Al	High-speed machining of normal gray cast iron	C--L--H
	150	20	93~95	Al+Co	High-speed machining of wear resistant alloy cast iron	L--H
	160	1~3	88~90	Al+TiN	High-speed machining of wear resistant alloy cast iron	C--L
	170	4~8	80~85	Al+TiNC	High-speed machining of wear resistant alloy cast iron Machining of nodular cast iron	C--L--H
	251	30~40	89~91	Al	Machining of the hard-to-cut materials such as alloy steel	C--L--H
	252	30	88~90	Al	Machining of manganese steel	C--L--H
	253	8~10	89~91	Al	Machining of powder metallurgical material	C--L--H
	360	2~4	60~65	TiN	Machining of hardened steel	C--L
	370	1~3	65~70	TiN+TiNC	Machining of hardened steel	L--H
BNC	445	0.5~1	45	TiN	Machining of hsardened steel	C--L
	465	2~4	65	TiN+TiC	Machining of hardened steel	L--H
	485	1~3	85	Co+W+Al	High-speed machining of cast iron	C--L--H
	595	1~3	95	TiN	High-speed machining of cast iron	C--L--H
	660	2~4	55~60	Co+W+Al TiN	Machining of hardened steel	C--L
	670	1~3	65~70	Co+W+Al TiN	Machining of hardened steel	L--H
	690	4~8	85~90	Co+W+Al	High-speed machining of cast iron	C--L--H
	695	4~12	90~95	Co+W+Al	High-speed machining of cast iron	C--L--H
	700	1~3	90~95	Ti+Al	Machining of nodular cast iron	C--L--H
	720	2~4	65~70	TiN+TiAlN	Machining of hardened steel	C--L
	825	2~4	60~65	TiN	Machining of hardened steel	C--L
	835	2~4	70~75	TiN	Machining of hardened steel	L--H

Note: C-Continuous machining L-Lightly interrupted machining H-Highly interrupted machining