P355


P355 Heat Resistant Steel for Pressure Vessels to EN:10028-3:2003 P265GH Standard

P355 Chemical Properties under EN 10028-3:2003 (Cast Analysis):

Grade

C

Si

Mn

P

S

N

Altotal

Cu

Cr

Ni

Mo

Ti

V

Nb

 


Max

 

Max

Max

Max

Min

Max

Max

Max

Max

Max

Max

max

P355GH

0,10-0,22

0,60

1,10-1,70

0,025

0,015

0,012

≥0,020

0,30

0,30

0,03

0,08

0,03

0,02

0,020

P355N

P355NH

P355NL1

P355NL2

0,18

0,50

1,10-1,70

0,025

0,015

0,012

≥0,020

0,30

0,30

0,05

0,08

0,03

0,02

0,005

0,020

0,010

P355 Mechanical Properties

Grade

 

Thickness in mm

≤16

16 < t ≤ 40

40 < t ≤ 60

60 < t ≤ 100

100 < t ≤ 150

150 < t ≤ 250

P355GH

Tensile Strength in MPa

510-650

510-650

510-650

490-580

480-630

470-630

Min. Yield Point in MPa:

355

345

335

315

295

280

Elongation:

20% min

P355N

P355NH

P355NL1

P355NL2

Tensile Strength in MPa

490-630

490-630

490-630

470-610

460-600

450-590

Min. Yield Point in MPa:

355

345

335

315

305

295

Elongation:

22% min

21% min

We can supply:

Thickness  from 6mm to 100mm (although thicker plates might be manufactured under special order)

Width: from 1,500mm to 4,100mm

Length: from 6,000mm to 20,000mm
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