316Nb S31640 - ASTM A 959-2004

Grade	316Nb
USA UNS	S31640
Corresponding Standard	ASTM A959-2004 Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification	Austenitic Stainless Steel

316Nb Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N	More
Minimum Value	-	-	-	-	-	16	10	2	-	Nb：10C~1.10
Maximum Value	0.08	1	2	0.045	0.03	18	14	3	0.1	Nb：10C~1.10

Approximate Comparison Table

China	United States		International Organization for Standardization		European Standard
ISC	ASTM	UNS	ISO	Numerical Grade	EN	Numerical Grade
S31678	316Nb (316Cb)	S31640	X6CrNiMoNb17-12-2	4580-316-40-I	X6CrNiMoNb17-12-2	1.4580

316Nb Corresponding Standards(Same grade name, different standards)

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