EN 10028:3 P355NH

  • P355NH

Pressure vessel plate stock certified to EN 10028:3 P355NH

  • Held in stock by Brown McFarlane ready to be supplied as plate, cut plates, or shapes (profiles).
  • Supplied in the normalised condition and intended for pressure purposes

EN 10028:3 P355NH Pressure Vessel Steel Plate Specifications

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 P355NH is steel for pressure purposes (P) with minimum yield strength of 355 MPa (355) which has specified elevated temperature properties (NH).

What Next?

If you would like to find out more about EN 10028:3 P355NH pressure vessel steel plate or any of our other products, contact us.

Requirements

Chemical Requirements

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

CSiMnPSAl totalNCR
0.18 0.50 1.10-1.70 0.025 0.015 0.020 min 0.012 0.30
Cu Mo Nb Ni Ti V Nb+Ti+V  
0.30 0.08 0.05 0.50 0.03 0.10 0.12  

Tensile Requirements

Product ThicknessYield Strength MPaTensile Strength MPaElongation A%
up to 16 mm 355 min 490 to 630 22 min
16 to 40 mm 345 min 490 to 630 22 min
over40 to 60 mm 335 min 490 to 630 22 min
over 60 to 100 mm 315 min 470 to 610 21 min
over100 to 150 mm 305 min 460 to 600 21 min
over150 to 250 mm 295 min 450 to 590 21 min

Values

Impact test values, average of three at temperature specified below

 -20°C0°C+20°C
Transverse 30 J min 40 J min 50 J min
Longitudinal 45 J min 65 J min 75 J min

ELEVATED TEMPERATURE PROPERTIES

Thickness50°C100°C150°C200°C250°C300°C350°C400°C
up to 16 mm 343 323 299 275 252 232 214 202
16 to 40 mm 334 314 291 267 245 225 208 196
over 40 to 60 mm 324 305 282 259 238 219 202 190
over 60 to 100 mm 305 287 265 244 224 206 190 179
over 100 to 150 mm 295 277 257 236 216 199 184 173
over 150 to 250 mm 285 268 249 228 209 192 178 167

Yield strength in MPa (N/mm²)