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EN 10088-3:2014 X2CrNiMoCuWN25-7-4 Steel: Specifications & Listings

EN 10088-3:2014 X2CrNiMoCuWN25-7-4: X2CrNiMoCuWN25-7-4: austenitic-ferritic (duplex) corrosion resisting stainless steel, material number 1.4501. Specified in EN 10088-3:2014.

Category: Stainless Steel
Grade Details
GradeEN 10088-3:2014 X2CrNiMoCuWN25-7-4
Standard EN 10088-3:2014
ApplicationsGeneral purposes, semi-finished products, bars, rods, wire, sections and bright products
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A959 S32760 ASTM A959:2011 USA No activity yet
IS 6603 X02Cr25Ni7Mo4CuWN IS 6603:2024 India No activity yet
EN 10088-1 X2CrNiMoCuWN25-7-4 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-3 X2CrNiMoN25-7-4 EN 10088-3:2014 Europe No activity yet
EN 10088-2 X2CrNiMoCuWN25-7-4 EN 10088-2:2014 Europe No activity yet
EN 10088-1 X2CrNiMoCuN25-6-3 EN 10088-1:2014 Europe (CEN) No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10088-1 X2CrNiMoCuWN25-7-4 EN 10088-1:2014 Strong Match
EN 10088-1 X2CrNiMoCuWN25-7-4 EN 10088-1:2023 Strong Match
EN 10088-2 X2CrNiMoCuWN25-7-4 EN 10088-2:2014 Strong Match
ASTM A959 S32760 ASTM A959:2011 Strong Match
IS 6603 X02Cr25Ni7Mo4CuWN IS 6603:2024 Strong Match
EN 10088-3 X2CrNiMoN25-7-4 EN 10088-3:2014 Strong Match
EN 10088-1 X2CrNiMoCuN25-6-3 EN 10088-1:2014 Strong Match
EN 10088-1 X2CrNiMoCuN25-6-3 EN 10088-1:2023 Strong Match
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%
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 diameter 1 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 160290530730 to 93025100
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
Proof strength at elevated temperature 4 temperatures
Temperature (deg C)Rp0.2 min, +AT (MPa)
100450
150420
200400
250380
Minimum values.
Source: EN 10088-3:2014, Table 21
Hot forming and solution annealing guideline temperatures
Hot forming temperature
1200 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
Informative guideline; cooling must be rapid enough to avoid precipitation.
Source: EN 10088-3:2014, Table A.2

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