EN 10088-3:2014 X2CrNiMnMoCuN24-4-3-2 Steel: Specifications & Listings
EN 10088-3:2014 X2CrNiMnMoCuN24-4-3-2: X2CrNiMnMoCuN24-4-3-2: austenitic-ferritic (duplex) corrosion resisting stainless steel, material number 1.4662. 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
<=0.030
<=0.70
2.50-4.0
<=0.035
<=0.005
23.0-25.0
1.00-2.00
3.0-4.5
0.20-0.30
0.10-0.80
Mechanical Properties
Tensile Strength
650-900 MPa
Yield Strength
>=450 MPa
Elongation
>=25%
Hardness
<=290 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
290
450
650 to 900
25
60
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
Bright bars, solution annealed3 size ranges
Thickness or diameter (mm)
Rp0.2 min (MPa)
Rm (MPa)
A5 min, longitudinal (%)
KV2 min, longitudinal (J)
up to 10
700
900 to 1150
15
-
over 10 to 30
700
900 to 1100
20
-
over 30 to 160
450
650 to 900
25
60
Bright bars, conditions 2H, 2B, 2G or 2P; A5 valid for 5 mm and above.
Source: EN 10088-3:2014, Table 14
Proof strength at elevated temperature4 temperatures
Temperature (deg C)
Rp0.2 min, +AT (MPa)
100
385
150
345
200
325
250
315
Minimum values.
Source: EN 10088-3:2014, Table 21
Hot forming and solution annealingguideline temperatures
Hot forming temperature
1150 to 900 deg C
Cooling after hot forming
air
Heat treatment symbol
+AT
Solution annealing temperature
1000 to 1150 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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