EN 10088-3:2014 X2CrCuNiN23-2-2 Steel: Specifications & Listings
EN 10088-3:2014 X2CrCuNiN23-2-2: X2CrCuNiN23-2-2: austenitic-ferritic (duplex) corrosion resisting stainless steel, material number 1.4669. Specified in EN 10088-3:2014.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C
Si
Mn
P
S
Cr
Mo
Ni
N
Cu
<=0.045
<=1.00
1.00-3.00
<=0.040
<=0.030
21.5-24.0
<=0.50
1.00-3.00
0.12-0.20
1.60-3.00
Mechanical Properties
Tensile Strength
650-900 MPa
Yield Strength
>=400 MPa
Elongation
>=25%
Hardness
<=300 HB
Condition
Solution annealed (+AT), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 160 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal), hardness for guidance only
More data from EN 10088-3:2014
From the standard
Mechanical properties by thickness or diameter1 size range
Thickness or diameter (mm)
Hardness HBW, max (guidance)
Rp0.2 min (MPa)
Rm (MPa)
A min, longitudinal (%)
KV2 min, longitudinal (J)
up to 160
300
400
650 to 900
25
100
Solution annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D; for rods only the tensile strength values apply.
Source: EN 10088-3:2014, Table 9
Hot forming and solution annealingguideline temperatures
Hot forming temperature
1200 to 1000 deg C
Cooling after hot forming
air
Heat treatment symbol
+AT
Solution annealing temperature
950 to 1100 deg C
Cooling after solution annealing
water, air
Informative guideline; cooling must be rapid enough to avoid precipitation.
Source: EN 10088-3:2014, Table A.2
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