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
0.16-0.25
<=1.00
<=1.50
<=0.040
<=0.030
12.0-14.0
Mechanical Properties
Tensile Strength
<=760 MPa
Hardness
<=230 HB
Condition
Annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, size range not stated; hardness for guidance only
More data from EN 10088-3:2014
From the standard
Mechanical properties by heat treatment condition3 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)
-
+A
230
-
max. 760
-
-
-
-
up to 160
+QT700
-
500
700 to 850
13
-
25
-
up to 160
+QT800
-
600
800 to 950
12
-
20
-
+A = annealed, +QT = quenched and tempered; for rods only the tensile strength values apply.
Source: EN 10088-3:2014, Table 11
Bright bars, annealed and quenched and tempered5 size ranges
Thickness or diameter (mm)
Annealed Rm max (MPa)
Annealed HB max (information)
Quenched and tempered Rp0.2 min (MPa)
Quenched and tempered Rm (MPa)
A5 min, longitudinal (%)
A5 min, transverse (%)
KV2 min, longitudinal (J)
KV2 min, transverse (J)
up to 10
910
290
600
750 to 1000
8
-
-
-
over 10 to 16
910
290
550
750 to 1000
8
-
-
-
over 16 to 40
850
260
500
700 to 950
10
-
25
-
over 40 to 63
800
250
500
700 to 900
12
-
25
-
over 63 to 160
760
230
500
700 to 850
13
-
25
-
Bright bars, conditions 2H, 2B, 2G or 2P; quenched and tempered condition +QT700.
Source: EN 10088-3:2014, Table 16
Wire in cold worked (2H) and annealed (2D) condition15 rows
Condition
Wire diameter d (mm)
Tensile strength (MPa)
Elongation min (%)
2H +C500
0.05 and above
500 to 700
-
2H +C600
0.05 and above
600 to 800
-
2H +C700
0.05 and above
700 to 900
-
2H +C800
0.05 and above
800 to 1000
-
2H +C900
0.05 and above
900 to 1100
-
2H +C1000
0.05 and above
1000 to 1250
-
2H +C1100
0.05 and above
1100 to 1350
-
2H +C1200
0.05 and above
1200 to 1450
-
2H +C1400
0.05 and above
1400 to 1700
-
2H +C1600
0.05 and above
1600 to 1900
-
2H +C1800
0.05 and above
1800 to 2100
-
2D +A
over 0.50 to 1.00
max. 1100
10
2D +A
over 1.00 to 3.00
max. 1050
10
2D +A
over 3.00 to 5.00
max. 1000
10
2D +A
over 5.00 to 16.00
max. 950
15
2H levels: elongation depends on diameter and is to be agreed; 2D: tensile strength is maximum.
Source: EN 10088-3:2014, Table 18 and 19
Proof strength at elevated temperature7 temperatures
Temperature (deg C)
Rp0.2 min, +QT700 (MPa)
Rp0.2 min, +QT800 (MPa)
100
460
515
150
445
495
200
430
475
250
415
460
300
395
440
350
365
405
400
330
355
Minimum values.
Source: EN 10088-3:2014, Table 23
Hot forming and heat treatment3 conditions
Condition
Annealing temperature (deg C)
Cooling after annealing
Quenching temperature (deg C)
Quenching medium
Tempering temperature (deg C)
+A
745 to 825
air
-
-
-
+QT700
-
-
950 to 1050
oil, air
650 to 750
+QT800
-
-
950 to 1050
oil, air
600 to 700
Hot forming 1100 to 800 deg C, cooling: slow cooling. Informative guideline.
Source: EN 10088-3:2014, Table A.4
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