EN 10028-3:2017 P275NL1 Steel: Specifications & Listings
EN 10028-3:2017 P275NL1: P275NL1: weldable fine grain normalized steel flat product for pressure purposes, low temperature quality (steel number 1.0488). Specified in EN 10028-3:2017.
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
Al
N
Cr
Cu
Mo
Nb
Ni
Ti
V
<=0.16
<=0.40
0.80-1.50
<=0.025
<=0.008
>=0.020
<=0.012
<=0.30
<=0.30
<=0.08
<=0.05
<=0.50
<=0.03
<=0.05
Mechanical Properties
Tensile Strength
390-510 MPa
Yield Strength
>=275 MPa
Elongation
>=24%
Condition
Normalized, nominal thickness up to 16 mm
More data from EN 10028-3:2017
From the standard
Yield and tensile strength by thickness6 thickness ranges
Thickness (mm)
Yield strength ReH, min (MPa)
Tensile strength Rm (MPa)
up to 16
275
390 to 510
over 16 to 40
265
390 to 510
over 40 to 60
255
390 to 510
over 60 to 100
235
370 to 490
over 100 to 150
225
360 to 480
over 150 to 250
215
350 to 470
Normalized condition.
Source: EN 10028-3:2017, Table 4
Elongation by thickness6 thickness ranges
Thickness (mm)
Elongation A, min (%)
up to 16
24
over 16 to 40
24
over 40 to 60
24
over 60 to 100
23
over 100 to 150
23
over 150 to 250
23
Source: EN 10028-3:2017, Table 4
Minimum impact energy KV2KV2 min in J, thickness up to 250 mm
Direction
-50 deg C
-40 deg C
-20 deg C
0 deg C
+20 deg C
Transverse
-
27 (a)
35 (a)
50
60
Longitudinal
30 (a)
40
50
70
80
Footnote a: a minimum value of 40 J may be agreed at the time of enquiry and order.
Source: EN 10028-3:2017, Table 6
Maximum carbon equivalent value (CEV)3 thickness ranges
Thickness t (mm)
CEV, max
up to 60
0.40
over 60 to 100
0.40
over 100 to 250
0.42
Applies only if agreed at the time of enquiry and order. CEV = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15.
Source: EN 10028-3:2017, Table 3
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