EN10028-3 P355NH Steel Plate

As one of the fine-grain structural steel grades, P355NH steel has good weldability and high resistance to brittle cracking. Which is used for manufacturing vessels for pressurised gas (LPG, butane and propane tanks), pressure vessels, steam boiler parts, pressure piping, compressors ect.

Moreover, the user of these steel grades must make sure that his calculation, design and processing methods are appropriate for the material. The welding technique used must be suitable for the intended application. P355NH is also suitable for cold-bordering and cold flanging as well as for cold-bending and cold-folding.

Available dimensions of P355NH
Thickness:    6-150mm
Width:   2000-4000mm
Length:   up to 16000mm

P355NH chemical composition% is as following, element Si and Ni has the biggest proportion, Cr and Cu coming the second, then followed the carbon, and so on.

	C	Si	Mn	P	S	Al total	N	Cr
0.18		0.50	1.10-1.70	0.025	0.015	0.020 min	0.012	0.30
Cu		Mo	Nb	Ni	Ti	V	Nb+Ti+V
0.30		0.08	0.05	0.50	0.03	0.10	0.12

( cast analysis, % by mass, maximum permitted unless indicated especially )
There is some comparable steels, like P355NL1 and P355NL2.

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