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Grade X2CrNiN18-10
European Standard Steel Grade 1.4311
Corresponding Standard EN 10272-2016
Stainless Steel Bars for Pressure Purposes
Classification Austenitic Stainless Steel
X2CrNiN18-10 Chemical Element Composition Content (%)
Component C Si Mn P S ① Cr Ni N
Minimum Value - - - - - 17.5 8.5 0.12
Maximum Value 0.03 1 2 0.045 0.015 19.5 11.5 0.22
① Particular ranges of sulfur content may provide improvement of particular properties. For machinability, a controlled sulfur content of 0,015 % to 0,030 % is recommended and may be agreed. For weldability, a controlled sulfur content of 0,008 % to 0,030 % is recommended and may be agreed.
X2CrNiN18-10 Mechanical Properties
Diameter or thickness
d or b
mm		 Tensile Strength
σb
Mpa 		Specified Plastic Yield Strength
Rp0.2
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW 		Impact Energy Absorption
KV2
J
≤160 550~760 Rp0.2：≥270
Rp1.0：≥305		 l: ≥40 ≤230 (at 20℃)：l ≥100
(at -196℃)：≥60
160<d (b)≤400 550~760 Rp0.2：≥270
Rp1.0：≥305		 tr: ≥30 ≤230 (at 20℃)：tr ≥60
(at -196℃)：≥ 60
a) Axial： l；Tangential：tr.
* The maximum HBW-values may be raised by 100 units or the tensile strength value may be raised by 200 MPa and the minimum elongation value be lowered to 20 % for bars of ≤ 35 mm thickness having a final cold deformation.
Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade SS BS EN/BS
022Cr19Ni10N
(00Cr18Ni10N) 		S30453 304LN SUS 304LN STS 304LN 304LN S30453 X2CrNiN 18-9
X2CrNiN18-10 		X2CrNiN 18-10 1.4311 Z2CN 18-1Az
Z3CN18-10Az 		X2CrNiN 18-10 1.4311 2371 304S62
304S61
X2CrNiN18-10 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X2CrNiN 18-10 1.4311
2 EN 10296-2-2005
X2CrNiN18-10 1.4311
3 EN 10253-4-2003
X2CrNiN18-10 1.4311
4 EN 10250-4-1999
X2CrNiN 18-10 1.4311
5 DIN 17440-1972
X2CrNiN 18-10 1.4311
6 EN 10088-3-2005
X2CrNiN18-10 1.4311
7 ISO 9327(-5)-1999
X2CrNiN18-10
8 EN 10269-2013
X2CrNiN 18-10 1.4311
9 EN 10088-3-2014
X2CrNiN18-10 1.4311
10 DIN EN 10269-2014
X2CrNiN 18-10 1.4311
11 ISO 9328-7-2018
X2CrNiN18-10
12 DIN EN 10088-3-2014
X2CrNiN18-10 1.4311
13 NF EN 10088-2-2005
X2CrNiN18-10 1.4311
14 NF EN 10088-1-2005
X2CrNiN18-10 1.4311
15 NF EN 10028-7-2008
X2CrNiN18-10 1.4311
16 NF EN 10296-2-2005
X2CrNiN18-10 1.4311
17 NF EN 10028-7-2000
X2CrNiN18-10 1.4311
18 DIN EN 10296-2-2006
X2CrNiN18-10 1.4311
19 EN 10272-2016
X2CrNiN18-10 1.4311

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