P355GH

Fine-grain structural steel for pressure vessels.
Good weldability and good cold and hot-rolling properties under normalised conditions.

Technical Characteristics:

Standard

EN 10028-2

Identification Number

1.0473

Classification

Type

Alloyed/Unalloyed

Rolling State

Normalised

Brief Description

Fine-grain structural steel for pressure vessels.
Good weldability and good cold and hot-rolling properties under normalised conditions.

Applications

Fine-grain, high-resistance structural steel for pressure vessels.

Standard Coil Stock Range

P355GH 1500 2000
3
4
5
6
8
10
12
15

Chemical Composition

Regulatory standard | [ Nb+V+Ti ≤ 0.12 ]

Element Value
C (%) 0,10-0,22
Si (%) ≤ 0,60
Mn (%) 1,10-1,70
P (%) ≤ 0,025
S (%) ≤ 0,010
AI (%) ≥ 0,020
Nb (%) ≤ 0,040
Ti (%) ≤ 0,03
V (%) ≤ 0,02
Mo (%) ≤ 0,08
Cu (%) ≤ 0,30
Element Value
Cr (%) ≤ 0,30
Ni (%) ≤ 0,30
N (%) ≤ 0,012
B (%)
Nb+Ti+V (%)
Cr+Mo+Ni (%)
Ni+Cr+Cu+Mo (%) ≤ 0,70
C.E.V. (%)

C.E.V. (%) = C+(Mn/6)+[(Cr+Mo+V)/5]+[(Ni+Cu)/15]

Mechanical Properties

Secondo UNI EN 10028

Mechanical characteristics Direction Thicknesses Values
 Re (MPa) T ≤ 16 ≥ 355
T > 16 ≤ 40 ≥ 345
 Rm(MPa) T ≤ 16 510-650
T > 16 ≤ 40 510 – 650
 A80 (%) T ≥ 18
 A5 (%) T ≥ 20
 Bend Test 180°
 KV 20°C (J) T ≥ 40*
 KV 0°C (J) T ≥ 34*
 KV -20°C (J) T ≥ 27*
 KV -40°C (J)
 KV -50°C (J)

* = Standard option
t = thickness in mm of the test piece for the bend test
ADW1 certification upon request
L = Tensile testing carried out on longitudinal test pieces
T = Bend tests carried out on cross-cut test pieces

Tolerances

Tolerances on the dimensions and on the shape           UNI EN 10051
Surface condition                                                               UNI EN 10163-2

Certifications

EN 10204-3.1

DISCLAIMER: SIDASTICO S.p.A. declines any and all liability for the accuracy and precision of the information herein and reserves the right to modify any part without advanced notice.

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