K640M K40M - GB /T 14992-2005

Grade	K640M
Old Grade
Corresponding Standard	GB /T 14992-2005 Classification and Designation for Superalloys and High Temperature Intermetallic Materials
Classification	Special Alloy Steel
Properties	Corrosion Resistance

K640M Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	W	Zr	B	Al	Ta	More
Minimum Value	-	0.45	-	-	-	-	24.5	9.5	0.1	0.05	7	0.1	0.008	0.7	0.1	Co: Remainder
Maximum Value	2	0.55	1	1	0.04	0.04	26.5	11.5	0.5	0.3	8	0.3	0.04	1.2	0.5	Co: Remainder

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!