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
Nb
<=0.05
<=1.00
<=1.00
<=0.040
<=0.030
16.0-18.0
<=1.00
Mechanical Properties
Tensile Strength
420-620 MPa
Yield Strength
>=200 MPa
Elongation
>=20%
Hardness
<=200 HB
Condition
Annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 50 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal), hardness for guidance only
More data from EN 10088-3:2014
From the standard
Mechanical properties by thickness or diameter1 size range
Thickness or diameter, max (mm)
Hardness HBW, max (guidance)
Rp0.2 min (MPa)
Rm (MPa)
A min, longitudinal (%)
up to 50
200
200
420 to 620
20
Annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D; for rods only the tensile strength values apply.
Source: EN 10088-3:2014, Table 10
Bright bars, annealed4 size ranges
Thickness or diameter (mm)
Rp0.2 min (MPa)
Rm (MPa)
A5 min (%)
up to 10
320
500 to 750
8
over 10 to 16
300
480 to 750
10
over 16 to 40
240
400 to 700
15
over 40 to 50
240
400 to 700
15
Bright bars, conditions 2H, 2B, 2G or 2P; A5 valid for 5 mm and above.
Source: EN 10088-3:2014, Table 15
Wire in cold worked (2H) and annealed (2D) condition12 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
-
2D +A
over 0.05 to 0.10
max. 950
10
2D +A
over 0.10 to 0.20
max. 900
10
2D +A
over 0.20 to 0.50
max. 850
15
2D +A
over 0.50 to 1.00
max. 850
15
2D +A
over 1.00 to 3.00
max. 800
15
2D +A
over 3.00 to 5.00
max. 750
15
2D +A
over 5.00 to 16.00
max. 700
20
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 (MPa)
100
190
150
180
200
170
250
160
300
155
350
-
400
-
Minimum values, annealed (+A).
Source: EN 10088-3:2014, Table 22
Hot forming and annealingguideline temperatures
Hot forming temperature
1100 to 800 deg C
Cooling after hot forming
air
Heat treatment symbol
+A
Annealing temperature
750 to 850 deg C
Cooling after annealing
air
Informative guideline.
Source: EN 10088-3:2014, Table A.3
Active EN 10088-3:2014 X3CrNb17 Listings on M-EX (For Sale)