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
0.05-0.15
<=2.00
<=2.00
<=0.045
<=0.015
16.0-19.0
<=0.80
6.0-9.5
<=0.10
Mechanical Properties
Tensile Strength
600-950 MPa
Yield Strength
>=250 MPa
Elongation
>=40%
Condition
Solution annealed (+AT), cold rolled strip, up to 8 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 (%)
Cold rolled strip
8
250
280
600 to 950
40
40
Solution annealed condition; proof strength and elongation are minimum transverse values.
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
210
230
150
200
215
200
190
205
250
185
200
300
180
195
350
180
195
400
-
-
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
1010 to 1090 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
Cold worked condition levels (process route 2H)cold worked levels
Available tensile strength levels
+C700 (700 to 850 MPa); +C850 (850 to 1000 MPa); +C1000 (1000 to 1150 MPa); +C1150 (1150 to 1300 MPa); +C1300 (1300 to 1500 MPa)
Available 0.2% proof strength levels
+CP500 (500 to 700 MPa); +CP700 (700 to 900 MPa); +CP900 (900 to 1100 MPa); +CP1100 (1100 to 1300 MPa)
Only one parameter (tensile strength or proof strength) can be specified in the order.
Source: EN 10088-2:2014, Table 19 and 20
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