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• About EN 10028:3 P460NH Steel Plate
EN 10028:3 P460NH is steel for pressure purposes (P) with minimum yield strength of 460 MPa (460) which has specified elevated temperature properties (NH).
As well as P460NH 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
  • Valves
  • Flanges and fittings
  • Condensers

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 0.03 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 to 720 17 min
over 60mm to 100mm 400 min 540 to 710 17 min

Impact energy values for the normalised condition

-20°C 0°C +20°C
Transverse 30 J min 40 J min 50 J min
Lonitudinal 45 J min 65 J min 75 J min

Min. values for proof strength Rp0,2 (MPa) at elevated temperatures

Thickness 50°C 100°C 150°C 200°C 250°C 300°C 350°C 400°C
up to 16mm 445 419 388 356 326 300 278 261
16mm to 40mm 430 405 375 345 316 290 269 253
over 40mm to 60mm 416 391 362 333 305 281 260 244
over 60mm to 100mm 387 364 337 310 284 261 242 227

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