EN 10088-3:2014 X1CrNiMoCuN25-25-5 Steel: Specifications & Listings
EN 10088-3:2014 X1CrNiMoCuN25-25-5: X1CrNiMoCuN25-25-5: austenitic corrosion resisting stainless steel, material number 1.4537. 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
<=0.020
<=0.70
<=2.00
<=0.030
<=0.010
24.0-26.0
4.7-5.7
24.0-27.0
0.17-0.25
1.00-2.00
Mechanical Properties
Tensile Strength
600-800 MPa
Yield Strength
>=300 MPa
Elongation
>=35%
Hardness
<=250 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 diameter2 size ranges
Thickness or diameter (mm)
Hardness HBW, max (guidance)
Rp0.2 min (MPa)
Rp1.0 min (MPa)
Rm (MPa)
A min, longitudinal (%)
A min, transverse (%)
KV2 min, longitudinal (J)
KV2 min, transverse (J)
up to 160
250
300
340
600 to 800
35
-
100
-
over 160 to 250
250
300
340
600 to 800
-
30
-
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 8
Proof strength at elevated temperature10 temperatures
Temperature (deg C)
Rp0.2 min (MPa)
Rp1.0 min (MPa)
100
240
270
150
220
250
200
200
230
250
190
220
300
180
210
350
175
205
400
170
200
450
-
-
500
-
-
550
-
-
Minimum values, solution annealed (+AT).
Source: EN 10088-3:2014, Table 20
Hot forming and solution annealingguideline temperatures
Hot forming temperature
1200 to 950 deg C
Cooling after hot forming
air
Heat treatment symbol
+AT
Solution annealing temperature
1120 to 1180 deg C
Cooling after solution annealing
water, air
Informative guideline; cooling must be rapid enough to avoid intergranular corrosion.
Source: EN 10088-3:2014, Table A.1
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