EN 10088-2:2014 X1CrNiMoCu12-7-3 Steel: Specifications & Listings
EN 10088-2:2014 X1CrNiMoCu12-7-3: X1CrNiMoCu12-7-3: martensitic corrosion resisting stainless steel, material number 1.4423. 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
Cu
N
<=0.020
<=0.50
<=2.00
<=0.040
<=0.003
11.0-13.0
2.30-2.80
6.0-7.0
0.20-0.80
<=0.020
Mechanical Properties
Tensile Strength
750-950 MPa
Yield Strength
>=550 MPa
Elongation
>=15%
Hardness
<=300 HB
Condition
Annealed (+A), hot rolled strip, up to 13.5 mm thick
More data from EN 10088-2:2014
From the standard
Mechanical properties by condition2 conditions
Product form
Max thickness (mm)
Condition
Rp0.2 min (MPa)
Rm (MPa)
A80 min, under 3 mm thick (%)
A min, 3 mm and over (%)
Hot rolled strip
13.5
+A
550
750 to 950
-
15
Hot rolled plate
75
+QT650
550
750 to 950
-
15
+A = annealed, +QT = quenched and tempered.
Source: EN 10088-2:2014, Table 10
Hardness by condition2 rows
Product form
Max thickness (mm)
Condition
HRB, max
HBW or HV, max
HRC
HV
Hot rolled strip
13.5
+A
100
300
-
-
Hot rolled plate
75
+QT650
-
-
-
max. 300
Hardness is normally determined on strip in condition +A.
Source: EN 10088-2:2014, Table 10
Impact energy KV2 (ISO-V)2 rows
Product form
Max thickness (mm)
Condition
KV2 min (J)
Hot rolled strip
13.5
+A
100
Hot rolled plate
75
+QT650
100
Applies to products more than 10 mm thick, ISO-V notch.
Source: EN 10088-2:2014, Table 10
Hot forming and heat treatment2 conditions
Condition
Annealing temperature (deg C)
Quenching temperature (deg C)
Quenching medium
Tempering temperature (deg C)
+A
900 to 1000
-
-
-
+QT800
-
900 to 1050
oil, air
600 to 640
Hot forming 1150 to 900 deg C, cooling: air. Informative guideline.
Source: EN 10088-2:2014, Table A.4
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