EN 10028 P355NL1 Pressure Vessel and Boiler Steel Plate Steel Grade

P355NL1 Chemical Composition

Grade	The Element Max (%)
	C	Si	Mn	P	S	Al(min)	N
P355NL1	0.18	0.50	0.9-1.70	0.03	0.020		0.02
	Cr	Cu	Mo	Nb	Ni	Ti	V
	0.30	0.30	0.08	0.005	0.50	0.03	0.10

Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
P355NL1Mechanical Property

Grade	Thickness	Yield strength	Tensile strength	Elongation	Impact Energy(KV J) min
P355NL1	mm	Min Mpa	Mpa	Min %	-20°	0°	+20°
	≤ 16	355	490-630	22	47	55	63
	16> to ≤35	355	490-630	22	47	55	63
	35> to ≤50	345	490-630	22	47	55	63
	50> to ≤70	325	490-630	22	47	55	63
	70> to ≤100	315	470-610	21	47	55	63
	100> to ≤150	295	450-590	21	47	55	63

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