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
V
0.85-0.95
<=1.00
<=1.00
<=0.040
<=0.030
17.0-19.0
0.90-1.30
0.07-0.12
Mechanical Properties
Hardness
<=265 HB
Condition
Annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 100 mm; hardness for guidance only
More data from EN 10088-3:2014
From the standard
Mechanical properties by heat treatment condition1 rows
Thickness or diameter (mm)
Condition
Hardness HBW, max (guidance)
Rp0.2 min (MPa)
Rm (MPa)
A min, longitudinal (%)
A min, transverse (%)
KV2 min, longitudinal (J)
KV2 min, transverse (J)
up to 100
+A
265
-
-
-
-
-
-
+A = annealed, +QT = quenched and tempered; for rods only the tensile strength values apply.
Source: EN 10088-3:2014, Table 11
Hot forming and heat treatment1 conditions
Condition
Annealing temperature (deg C)
Cooling after annealing
Quenching temperature (deg C)
Quenching medium
Tempering temperature (deg C)
+A
780 to 840
furn., air
-
-
-
Hot forming 1100 to 800 deg C, cooling: slow cooling. Informative guideline.
Source: EN 10088-3:2014, Table A.4
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