50Cr21Mn9Ni4Nb2WN S35659 - GB T 20878-2024

Grade	50Cr21Mn9Ni4Nb2WN
China ISC	S35659
Corresponding Standard	GB /T 20878-2024 Stainless Steels - Designation and Chemical Composition
Classification	Austenitic Stainless Steel
Properties	Corrosion Resistance

50Cr21Mn9Ni4Nb2WN Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	N	W	Nb	More
Minimum Value	0.45	-	8	-	-	20	3.5	-	0.4	0.8	1.8	(C+N)≥0.9
Maximum Value	0.55	0.45	10	0.05	0.03	22	5	0.3	0.6	1.5	2.5	(C+N)≥0.9

Approximate Comparison Table Austenitic Heat-Resistant Steel

China	International Organization for Standardization	European Standard
GB	ISO	EN	Numerical Grade
50Cr21Mn9Ni4Nb2WN	X50CrMnNiNbN 21-9	X50CrMnNiNbN 21-9	1.4882

50Cr21Mn9Ni4Nb2WN Corresponding Standards(Same grade name, different standards)

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