EN 10088-2:2014 X2CrNiMoCuWN25-7-4 Steel: Specifications & Listings
EN 10088-2:2014 X2CrNiMoCuWN25-7-4: X2CrNiMoCuWN25-7-4: austenitic-ferritic (duplex) corrosion resisting stainless steel, material number 1.4501. Specified in EN 10088-2:2014.
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
W
<=0.030
<=1.00
<=1.00
<=0.035
<=0.015
24.0-26.0
3.0-4.0
6.0-8.0
0.20-0.30
0.50-1.00
0.50-1.00
Mechanical Properties
Tensile Strength
730-930 MPa
Yield Strength
>=530 MPa
Elongation
>=25%
Condition
Solution annealed (+AT), hot rolled plate, up to 75 mm thick; Yield Strength is Rp0.2 (transverse), Elongation is A80 for under 3 mm thick
More data from EN 10088-2:2014
From the standard
Mechanical properties by product form and thickness1 product forms
Product form
Max thickness (mm)
Rp0.2 min (MPa)
Rm (MPa)
A80 min, under 3 mm thick (%)
A min, 3 mm and over (%)
Hot rolled plate
75
530
730 to 930
25
25
Solution annealed condition; proof strength is the minimum transverse value.
Source: EN 10088-2:2014, Table 8
Impact energy KV2 (ISO-V)1 rows
Product form
Max thickness (mm)
KV2 longitudinal, min (J)
KV2 transverse, min (J)
Hot rolled plate
75
100
60
Applies to products more than 10 mm thick, ISO-V notch, room temperature.
Source: EN 10088-2:2014, Table 8
Proof strength at elevated temperature4 temperatures
Temperature (deg C)
Rp0.2 min (MPa)
100
450
150
420
200
400
250
380
Minimum values, solution annealed (+AT).
Source: EN 10088-2:2014, Table 13
Hot forming and solution annealingguideline temperatures
Hot forming temperature
1150 to 1000 deg C
Cooling after hot forming
air
Heat treatment symbol
+AT
Solution annealing temperature
1040 to 1120 deg C
Cooling after solution annealing
water, air
Informative guideline; cooling must be rapid enough to avoid precipitation.
Source: EN 10088-2:2014, Table A.2
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