EN 10028 P355GH pressure-vessel steels Related grade

Posted:2015-11-30 02:32:29

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industry, P355GH is a pressure vessel steel grade as specified under the Euro Norm standard (EN10028) which has superseded British Standard and DIN standard equivalents.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

Chemical Composition of EN 10028 P355GH:

Element	% by mass	Element	% by mass
Carbon (C)	0.10 to 0.22	Silicon (Si)	≤0.60
Manganese (Mn)	1.10 to 1.70	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:

Grade	Type	Thickness (mm)	Yield Strength MPa (min)	Tensile Strength MPa	Elongation % (min)	Impact Energy (KV J) (min)
						-20°	0°	+20°
P355GH	Normalized	≤ 16 16> to ≤40 40> to ≤60 60> to ≤100 100> to ≤150 150> to ≤250	355 345 335 315 295 280	510 to 650 510 to 650 460 to 580 490 to 630 480 to 630 470 to 630	20 20 20 20 20 20	27 27 27 27 27 27	34 34 34 34 34 34	40 40 40 40 40 40

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