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EN 10028-3 P355 Pressure Vessel Steel Plate

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P355 steel is a pressure vessel boiler steel plate which has excellent weld ability as well as fine grain structure and it is suitable for high temperature environments. P355 pressure vessel steel plate is mainly used for pressure vessels, b

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P355 steel is a pressure vessel boiler steel plate which has excellent weld ability as well as fine grain structure and it is suitable for high temperature environments. P355 pressure vessel steel plate is mainly used for pressure vessels, boiler construction, heat exchangers and reactors.

 

P355 Pressure Vessel Steel Plate Chemical composition:

Steel grade

% by mass

name

number

C
max

Si
max

Mn
max

Altotal
min

N
max

Cr
max

Cu
max

P355N
P355NH
P355NL1
P355NL2

1.0562
1.0565
1.0566
1.1106

0.18

0.50

1.10 to1.70

0.020c,d

0.012

0.30e

0.30e

V
max

Cu max

Mo
max

Ti
max

Nb
max

Ni
max

  

0.10

0.30e

0.08e

0.03

0.05

0.5

 

P max: P355N = P355NH= P355NL1 = 0.025, P355NL2 = 0.02,

S max: P355N = P355NH =0.01 , P355NL1=0.008 , P355NL2=0.005

Nb+Ti+V max =0.12


P355 Pressure Vessel Steel Plate Maximum carbon equivalent value (CEV):

Steel grade

CEVb max
for thicknesses t in mm

name

number

≤60

60＜t≤100

100＜t≤200

P355N

1.0562

0.43

0.45

0.45

P355NH

1.0565

P355NL1

1.0566

P355NL2

1.1106


P355 Pressure Vessel Steel Plate Tensile properties at room temperature:

Steel grade

product thickness
t
mm

Yield strength
REh
Mpa
min

Tensile strength
Mpa

Elongation
after fracture A%
min

name

number

≤16

355

490 to 630

22

P355N
P355NH
P355NL1
P355NL2

1.0562
1.0565
1.0566
1.1106

16＜t≤40

345

40＜t≤60

335

60＜t≤100

315

470 to 610

21

100＜t≤150

305

460to 600

150＜t≤250

295

450 to 590


Delivery condition of P355 pressure vessel steel plate: AR, CR, NR, TMCP, N, T, N+T, Q+T


P355 pressure vessel steel plate dimension (T*W*L) mm: 4.5-410*1600-4100*L


Shanghai Katalor Enterprises Co., Ltd. is a professional steel producer and supplier in China. We export thousands of tons of P355, P275, P420, P460 pressure vessel steel plate every year. We have all kinds of precision steel processing equipment, which can process steel to meet the different needs of customers. If you are interested in P355 P275, P420, P460 pressure vessel steel plate, please do not hesitate to contact Katalor.

 

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