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P355GH is a pressure vessel steel grade as specified under the Euro Norm standard (EN10028) which has superseded British Standard and DIN standard equivalents.

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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P355GH is a pressure vessel steel grade as specified under the Euro Norm standard (EN10028) which has superseded British Standard and DIN standard equivalents.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)
Type	Thickness (mm)	Yield Strength MPa (min)	Tensile Strength MPa	Elongation % (min)	-20°	0°	+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

Keywords: P355GH Pressure Vessel Steel Plate

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