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P355GH Pressure Vessel Steel Plate
P355GH Pressure Vessel Steel Plate
P355GH Pressure Vessel Steel Plate
P355GH Pressure Vessel Steel Plate

P355GH Pressure Vessel Steel Plate

P355GH is a pressure vessel steel grade as specified under the Euro Norm standard (EN10028) which has superseded British Standard and DIN standard equivalents.
Product Introduction
P355GH is a pressure vessel steel grade as specified under the Euro Norm standard (EN10028) which has superseded British Standard and DIN standard equivalents.

This normalized steel is used worldwide by fabricators of welded pressure vessels, industrial boilers and heat exchangers and is engineered to work well in elevated temperature service.

Properties
Steels for pressure vessels and boilers differ from other carbon-manganese structural steels due to their high resistance to pressure at all temperatures (ambient, low or high).

Advantages
The fundamental property of steels for pressure vessels is their ability to withstand high pressure at different temperatures. They have good weldability, as well as excellent toughness, and are suitable for normalization annealing and stress-relief annealing (both treatments neutralize local hardening caused by welding).

Applications
Steels for pressure vessels are mainly used to manufacture boilers, drums, pressure or steam piping, industrial thermal vessels and heat exchangers. These steels are suitable for mechanical forming and welding.
Technical Data
Chemical Composition of EN 10028 – P355GH
Element % by mass Element % by mass
Carbon (C) ≤0.16 Silicon (Si) ≤0.35
Manganese (Mn) 0.60 to 1.20 Phosphorous (P) (max) 0.025
Sulphur (S) (max) 0.015 Aluminium (Al) ≤0.020
Nitrogen (N) ≤0.012 Chromium (Cr) ≤0.30
Copper (Cu) ≤0.30 Molybdenum (Mo) ≤0.08
Niobium (Nb) ≤0.020 Nickel (Ni) ≤0.30
Titanium (Ti) (max) 0.03 Vanadium (Vi) ≤0.02

Mechanical Properties of EN 10028 – P355GH
Type Thickness (mm) Yield Strength
MPa (min)
Tensile Strength
MPa
Elongation
% (min)
Impact Energy
(KV J) (min)
-20° +20°
Normalized ≤ 16 355 510 - 650 21 27 34 40
16> to ≤40 345 510 - 650 21 27 34 40
40> to ≤60 335 460 - 580 21 27 34 40
60> to ≤100 315 490 - 630 21 27 34 40
100>to≤150 295 480 - 630 21 27 34 40
150>to≤250 280 470 - 630 21 27 34 40
 
Equivalent Steel Grade of P355GH
Europe Belgium Germany France Italy Sweden India Japan
Fe E355 D52-1,2 19Mn8 A52 CP Fe510-1-KW SS 21,06,01 - SPV355
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