X10CrMoVNb 9-1 1.4903 - EN 10088-1-2005

Grade	X10CrMoVNb 9-1
European Standard Steel Grade	1.4903
Corresponding Standard	EN 10088-1-2005 Staehle Stainless steels. Part 1:List of stainless steels
Classification	Martensitic Stainless Steel
Properties	Corrosion Resistance
Density	7.7 g/cm³

X10CrMoVNb 9-1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N	V	Nb	Al
Minimum Value	0.08	-	0.3	-	-	8	-	0.85	0.03	0.18	0.06	-
Maximum Value	0.12	0.5	0.6	0.025	0.015	9.5	0.4	1.05	0.07	0.25	0.1	0.04

① Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All appropriate precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel.

1 Approximate Comparison Table Pressure-Bearing Flat Steel

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
X10CrMoVNb 9-1	X10CrMoVNb 9-1	1.4903

2 Approximate Comparison Table Seamless Steel Tubes and Pipes for High Pressure Boiler

China		United States	European Standard
GB	ISC	ASTM/AISI	EN
10Cr9Mo1VNbN	A31108	SA-213 T91 SA-335 P91	X10CrMoVNb9-1

X10CrMoVNb9-1 Corresponding Standards(Same grade name, different standards)

1	EN 10088-1-2005
	X10CrMoVNb 9-1 1.4903
2	EN 10028-2-2009
	X10CrMoVNb9-1 1.4903
3	EN 10302-2008
	X10CrMoVNb 9-1 1.4903
4	ISO 9329-2-1997
	X10 CrMoVNb 9-1
5	ISO 9328-2-2018
	X10CrMoVNb 9-1
6	EN 10222-2-2017
	X10CrMoVNb9-1 1.4903
7	EN 10028-2-2017
	X10CrMoVNb9-1 1.4903
8	NF EN 10216-2-2007
	X10CrMoVNb9-1 1.4903
9	NF EN 10088-1-2005
	X10CrMoVNb9-1 1.4903
10	NF EN 10253-2-2007
	X10CrMoVNb9-1 1.4903

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