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Boiler Plate Steel EN 10028:3 P275NH

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The specification EN 10028:3 covers a range of weldable fine grain steels supplied in the normalised condition and intended for pressure purposes. EN 10028:3 P275NH is steel for pressure purposes (P) with minimum yield strength of 275 MPa (275) which has specified elevated temperature properties (NH).As well as P275NH we are stockists of other EN 10028:3 plates manufactured and certified to:EN 10028:3 P355NL1 EN 10028:3 P355NL2 EN 10028:3 P355NHWe also carry stocks of plates certified to EN 10028:2 P265GHChemical Requirements (cast analysis, % by mass, maximum permitted unless indicated otherwise)
















C
Si
Mn
P
S
Altotal
N
Cr




0.16
0.4
0.80-1.50
0.025
0.015
0.020 min
0.012
0.3




Cu
Mo
Nb
Ni
Ti
V
Nb+Ti+V





0.3
0.08
0.05
0.5
0.03
0.05
0.05
















Tensile Requirements












Product Thickness
Yield Strength MPa
Tensile Strength MPa
Elongation A%




up to 16 mm
275 min
390 to 510
24 min




16 to 40 mm
265 min
390 to 510
24 min




over 40 to 60 mm
255 min
390 to 510
24 min




over 60 to 100 mm
235 min
370 to 490
23 min




over 100 to 150 mm
225 min
360 to 480
23 min




over 150 to 250 mm
215 min
350 to 470
23 min











Impact energy values for the normalised condition












-20 OC
0 OC
+20 OC





Transverse
30 J min
40 J min
50 J min




Longitudinal
45 J min
65 J min
75 J min











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