P355GH pressure vessel steel sheets comply with EN 10028-2 and are specifically designed for pressure equipment operating at elevated temperatures. This steel grade combines reliable mechanical strength, excellent weldability and consistent performance under demanding operating conditions. For these reasons, it is widely used in the manufacture of boilers, pressure vessels, heat exchangers, piping systems and industrial equipment for the energy, chemical and petrochemical industries. Its properties ensure long service life and dependable performance even in continuous high-temperature applications.
P355GH pressure vessel steel sheets are suitable for laser cutting, plasma cutting, oxy-fuel cutting, bending, drilling, machining and welding. Their excellent fabrication properties allow manufacturers to produce complex components while maintaining high dimensional accuracy and mechanical reliability. The material performs well in pressure applications where strength, durability and safety are essential requirements.
Sidastico supplies P355GH pressure vessel steel sheets cut to size in a wide range of thicknesses and dimensions. Every order is processed according to customer specifications to minimise material waste, improve manufacturing efficiency and simplify subsequent fabrication operations. Each delivery includes an EN 10204 3.1 inspection certificate, ensuring full traceability together with compliance with the required chemical and mechanical properties.
With extensive stock availability and efficient logistics, Sidastico guarantees fast deliveries and dependable supply. P355GH pressure vessel steel sheets provide a certified solution for pressure equipment requiring high quality, excellent high-temperature performance, operational safety and reliable long-term service.
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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36030 Fara Vic.no (VI) – IT
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info@sidastico.com
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