EN 10028-3:2017 P460NH Steel: Specifications & Listings
EN 10028-3:2017 P460NH: P460NH: weldable fine grain normalized steel flat product for pressure purposes, elevated temperature quality (steel number 1.8935). 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
<=0.20
<=0.60
1.10-1.70
<=0.025
<=0.010
>=0.020
<=0.025
<=0.30
<=0.70
<=0.10
<=0.05
<=0.80
<=0.03
<=0.20
Mechanical Properties
Tensile Strength
570-730 MPa
Yield Strength
>=460 MPa
Elongation
>=16%
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
460
570 to 730
over 16 to 40
445
570 to 720
over 40 to 60
430
570 to 720
over 60 to 100
400
540 to 710
over 100 to 150
380
520 to 690
over 150 to 250
370
510 to 690
Normalized condition. For P460NH and P460NL1 up to 20 mm, ReH min 460 MPa with Rm 630 to 725 MPa may be agreed at enquiry.
Source: EN 10028-3:2017, Table 4
Elongation by thickness6 thickness ranges
Thickness (mm)
Elongation A, min (%)
up to 16
16
over 16 to 40
16
over 40 to 60
16
over 60 to 100
16
over 100 to 150
16
over 150 to 250
16
Source: EN 10028-3:2017, Table 4
Proof strength Rp0.2 at elevated temperatureRp0.2 min in MPa, 6 thickness ranges
Thickness (mm)
50 deg C
100 deg C
150 deg C
200 deg C
250 deg C
300 deg C
350 deg C
400 deg C
up to 16
445
419
388
356
326
300
278
261
over 16 to 40
430
405
375
345
316
290
269
253
over 40 to 60
416
391
362
333
305
281
260
244
over 60 to 100
387
364
337
310
284
261
242
227
over 100 to 150
368
346
320
294
270
248
230
216
over 150 to 250
358
337
312
287
263
241
224
210
Minimum Rp0.2 in MPa for furnace normalized test pieces. If agreed at enquiry, these values may also apply to the NL1 and NL2 grades of the same strength.
Source: EN 10028-3:2017, Table 5
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
-
-
30 (a)
40
50
Longitudinal
-
-
45
65
75
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
0.53
over 60 to 100
0.54
over 100 to 250
0.54
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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