p355n steel plate,p355n steel price,p355n steel plate specification

P355N steel grade is a normalized, weldable fine grain steels for pressure purposed. The dimensions and tolerance on dimensions should be according to EN 10028-1.

P355N steel grade is one of grade in En10028-3, which is non alloy and alloy steels with specified elevated temperature properties. P355N grades are used above all for manufacturing boilers, pressure vessels and pipes transporting hot liquids.

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P355N Chemical Composition

Grade	C	Si	Mn	P	S	Al(min)	N
P355N	0.20	0.50	0.9-1.70	0.03	0.025		0.02
	Cr	Cu	Mo	Nb	Ni	Ti	V
	0.30	0.30	0.08	0.005	0.50	0.03	0.10

P355N Mechanical Property

Grade	Thickness	Yield	Tensilmie	Elongation	Impact Energy(KV J) min
P355N	mm	Min Mpa	Mpa	Min %	-20°	0°	+20°
	≤ 16	355	490-630	22	40	47	55
	16> to ≤35	355	490-630	22	40	47	55
	35> to ≤50	345	490-630	22	40	47	55
	50> to ≤70	325	490-630	22	40	47	55
	70> to ≤100	315	470-610	21	40	47	55
	100> to ≤150	295	450-590	21	40	47	55