EN 10025-3:2019 S355NL Steel: Specifications & Listings
EN 10025-3:2019 S355NL: S355NL: weldable fine grain structural steel, normalized or normalized rolled with impact values to -50 deg C. Specified in EN 10025-3:2019.
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
Nb
V
Ni
N
Al
Ti
Cr
Mo
Cu
<=0.18
<=0.50
0.90-1.65
<=0.025
<=0.020
<=0.05
<=0.12
<=0.50
<=0.015
>=0.02
<=0.05
<=0.30
<=0.10
<=0.55
Mechanical Properties
Tensile Strength
470-630 MPa
Yield Strength
>=355 MPa
Elongation
>=22%
Condition
Normalized or normalized rolled (N), nominal thickness up to 16 mm (tensile strength up to 100 mm), Table 4
More data from EN 10025-3:2019
From the standard
Yield strength by thickness8 thickness ranges
Nominal thickness (mm)
Yield strength ReH, min (MPa)
up to 16
355
over 16 to 40
345
over 40 to 63
335
over 63 to 80
325
over 80 to 100
315
over 100 to 150
295
over 150 to 200
285
over 200 to 250
275
For plate, strip and wide flats of width 600 mm and over the values apply transverse to the rolling direction; for other products parallel.
Source: EN 10025-3:2019, Table 4
Tensile strength by thickness3 thickness ranges
Nominal thickness (mm)
Tensile strength Rm (MPa)
up to 100
470 to 630
over 100 to 200
450 to 600
over 200 to 250
450 to 600
Delivery condition normalized or normalized rolled (N).
Source: EN 10025-3:2019, Table 4
Elongation by thickness6 thickness ranges, L0 = 5.65 sqrt(S0)
Nominal thickness (mm)
Elongation A, min (%)
up to 16
22
over 16 to 40
22
over 40 to 63
22
over 63 to 80
21
over 80 to 200
21
over 200 to 250
21
Source: EN 10025-3:2019, Table 4
Impact energy KV2, min (J)Charpy V-notch, longitudinal and transverse
Test piece
+20 deg C
0 deg C
-10 deg C
-20 deg C
-30 deg C
-40 deg C
-50 deg C
Longitudinal
63
55
51
47
40
31
27
Transverse (Option 30)
40
34
30
27
23
20
16
Values reduced in direct proportion for subsized specimens.
Source: EN 10025-3:2019, Tables 5 and 6
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