P355N pressure vessel steel plate P355NH high-strength low-alloy boiler steel

Description: P355N low-alloy high-strength structural steel is a European standard steel plate for pressure vessels. Grade P355N implements the EN10028 standard and P355N steel is a non-alloy quality boiler plate. "P": means European standard container plate, "355...

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P355N Boiler and Pressure Vessel steel Description

P355N low-alloy high-strength structural steel is a European standard steel plate for pressure vessels. Grade P355N implements the EN10028 standard and P355N steel is a non-alloy quality boiler plate. "P": means European standard container plate, "355": means the yield strength is 355MPa, "N": means the delivery status is normalizing, P355N steel adopts normalizing treatment (use temperature is greater than 860℃), P355N is widely used Used in bridges, buildings, ships, vehicles, pressure vessels and other fields.

P355N boiler and pressure vessel steel has excellent strength and toughness. Its yield strength is above 355MPa and its tensile strength can reach above 500MPa. P355N pressure vessel steel also has good toughness, can absorb large impact energy, and has good fatigue resistance. In addition, P355N also has good processing performance and welding performance, allowing for convenient processing and welding operations.

The EN10028 P355N pressure vessel steel is designed with low alloy composition and has good corrosion resistance. Under normal environmental conditions, it can effectively resist the corrosion of environmental media such as atmosphere, water vapor, and soil. In addition, P355N also has good low-temperature and high-temperature resistance, and can maintain stable mechanical properties at lower or higher temperatures.

P355N Boiler and Pressure Vessel steel Datasheet

Thickness: 8mm-200mm customizable
Width: 500-2500mm customizable
Length: 1000mm-12000mm or according to customer's special request
Tolerance: ±1%
Technology: Cold Rolled / Hot Rolled
Inspection: The Third Party inspection can be accepted,SGS,BV

P355N Boiler and Pressure Vessel steel Chemical composition

Grade	The Element Max (%)
Grade	C	Si	Mn	P	S	N	Cu	Nb	Ti	AL	Mo
P355N	Max 0.18	Max 0.5	1.1-1.7	Max 0.025	Max 0.015	Max 0.012	Max 0.30	Max 0.050	0.03	0.020	0.080

P355N Boiler and Pressure Vessel steel Mechanical Properties

Grade	Thickness	Yield	Tensilmie	Elongation	Impact Energy(KV J) min
Grade	mm	Min Mpa	Mpa	Min %	-20°	0°	+20°
P355N	≤16	355	510-650	20	27	34	40
	16> to ≤40	345	510-650	20	27	34	40
	40> to ≤60	335	460-580	20	27	34	40
	60> to ≤100	315	490-630	20	27	34	40
	100> to ≤150	305	480-630	20	27	34	40
	150> to ≤250	295	470-630	20	27	34	40