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• About EN 10028:3 Steel Plate
EN 10028:3 steel has three grades (P275, P355, and P460), which indicate each grade’s minimum yield strength (in MPa) for plates 16 mm thick and below.

These are further subdivided on the basis of impact testing (transverse) temperature: N and NH indicate impact testing at -20 deg C or above, NL1 at -40 deg C or above, and NL2 at -50 deg C or above.
The designation EN 10028:3 P460NL1 shows that this is steel for pressure purposes (P) with minimum yield strength of 460 MPa (460) which is impact tested in the transverse direction at -40 deg C (NL1).
As well as P460NL1 we are stockists of other EN 10028:3 plates manufactured and certified to:
o EN 10028:3 P355NL1
o EN 10028:3 P355NL2
o EN 10028:3 P355NH
o EN 10028:3 P460NH
o EN 10028:3 P460NL2
o EN 10028:3 P275NH
We also carry stocks of plates certified to EN 10028:2 P265GH.

Applications

  • Boilers
  • Calorifiers
  • Dished ends
  • Flanges
  • Heat exchangers
  • Pipelines
  • Pressure vessels
  • Storage tanks
  • Condensers
  • Valves, flanges and fittings

Properties

Chemical Requirements
(cast analysis, % by mass, maximum permitted unless indicated otherwise)

C Si Mn P S Al total N Cr Cu Mo Nb Ni Ti V Nb+Ti+V
0.20 0.60 1.10 – 1.70 0.025 0.015 0.020 min 0.025 0.30 0.70 0.10 0.05 0.80 0.30 0.20 0.22

Tensile requirements

Product thickness Yield strength MPA Tensile strength MPA Elongation A%
up to 16mm 460 min 570 – 730 17 min
16mm to 40mm 445 min 570 – 720 17 min
over 40mm to 60mm 430 min 570 – 720 17 min
over 60mm to 100mm 400 min 540 – 710 17 min

Values

-50°C -40°C -20°C 0°C +20°C
Transverse 27 J min 35 J min 50 J min 60 J min
Longitudinal 30 J min 40 J min 50 J min 70 J min 80 J min

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