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
<=0.020
<=0.25
<=2.00
<=0.025
<=0.010
24.0-26.0
<=0.20
20.0-22.0
<=0.10
Mechanical Properties
Tensile Strength
470-670 MPa
Yield Strength
>=200 MPa
Elongation
>=40%
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 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
200
240
470 to 670
40
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
150
180
150
140
170
200
130
160
250
120
150
300
115
140
350
110
135
400
105
130
450
-
-
500
-
-
550
-
-
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
1030 to 1110 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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