EN 10088-2:2014 X1CrNiMoCuNW24-22-6 Steel: Specifications & Listings
EN 10088-2:2014 X1CrNiMoCuNW24-22-6: X1CrNiMoCuNW24-22-6: austenitic corrosion resisting stainless steel, material number 1.4659. 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
<=0.020
<=0.70
2.00-4.0
<=0.030
<=0.010
23.0-25.0
5.5-6.5
21.0-23.0
0.35-0.50
1.00-2.00
1.50-2.50
Mechanical Properties
Tensile Strength
800-1000 MPa
Yield Strength
>=420 MPa
Elongation
>=40%
Condition
Solution annealed (+AT), hot rolled plate, up to 75 mm thick; Yield Strength is Rp0.2 (transverse), Elongation is A for 3 mm and over
More data from EN 10088-2:2014
From the standard
Mechanical properties by product form and thickness1 product form
Product form
Max thickness (mm)
Rp0.2 min (MPa)
Rp1.0 min (MPa)
Rm (MPa)
A80 min, under 3 mm thick (%)
A min, 3 mm and over (%)
Hot rolled plate
75
420
460
800 to 1000
-
40
Solution annealed condition; proof strength and elongation are minimum transverse values.
Source: EN 10088-2:2014, Table 7
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 7
Proof strength at elevated temperature10 temperatures
Temperature (deg C)
Rp0.2 min (MPa)
Rp1.0 min (MPa)
100
350
390
150
330
365
200
315
350
250
307
342
300
300
335
350
298
328
400
295
325
450
288
318
500
280
310
550
270
300
Minimum values, solution annealed (+AT).
Source: EN 10088-2:2014, Table 12
Hot forming and solution annealingguideline temperatures
Hot forming temperature
1150 to 850 deg C
Cooling after hot forming
air
Heat treatment symbol
+AT
Solution annealing temperature
1140 to 1200 deg C
Cooling after solution annealing
water, air
Informative guideline; cooling must be rapid enough to avoid intergranular corrosion.
Source: EN 10088-2:2014, Table A.1
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