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EN 10028-3 P355NH steel,P355NH steel Tensile Requirements

P355NH steel Tensile Requirements

EN 10028-3 P355NH steel is steel for pressure purposes (P) with minimum yield strength of 355 MPa (355) which has specified elevated temperature properties (NH).

EN 10028-3 P355NH steel Chemical Requirements:

C

Si 

Mn 

Altotal 

 N

Cr 

0.18 

0.50

1.10-1.70 

0.025

0.015

0.020 min

0.012 

0.30 

Cu 

Mo 

Nb 

Ni 

Ti 

Nb+Ti+V 

 

0.30 

0.08 

0.05 

0.50 

0.03 

0.10 

0.12 

 

EN 10028-3 P355NH steel Tensile Requirements:

Product Thickness

Yield Strength MPa

Tensile Strength MPa 

Elongation A%

up to 16 mm

355 min

 490 to 630

22 min 

16 to 40 mm

345 min

 490 to 630

22 min

over 40 to 60 mm

335 min

 490 to 630

22 min

over 60 to 100 mm

315 min

 470 to 610

21 min

over 100 to 150 mm

305 min

 460 to 600

21 min

over 150 to 250 mm

295 min

 450 to 590

21 min

EN 10028-3 P355NH steel 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 

EN 10028-3 P355NH steel Min. values for proof strength Rp0,2 (MPa) at elevated temperatures:

Thickness

50oC

100oC

150oC

200oC 

250oC

300oC

350oC 

400oC 

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

More informations about EN 10028-3 P355NH steel, please contact us--BEBON STEEL.

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