P355N 1.0562 - EN 10216-3-2013

Grade	P355N
European Standard Steel Grade	1.0562
Corresponding Standard	EN 10216-3-2013 Seamless Steel Tubes for Pressure Purposes - Technical Delivery Conditions - Part 3: Alloy Fine Grain Steel Tubes
Classification	Alloy Steel

P355N Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti	V	Nb	Al ^ⓑ	More
Minimum Value	-	-	0.9	-	-	-	-	-	-	-	-	-	-	0.02	Nb+Ti+V ≤0.12；Cr+Cu+Mo≤0.45；Al/N≥2ⓑ
Maximum Value	0.2	0.5	1.7	0.025	0.02	0.3	0.5	0.3	0.08	0.02	0.04	0.1	0.05	-	Nb+Ti+V ≤0.12；Cr+Cu+Mo≤0.45；Al/N≥2ⓑ

P355N Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %
t≤20	Normalizing (+N)	490~650	≥355	≥22（l） ≥20（T）
20＜t≤40	Normalizing (+N)	490~630	≥345	≥22（l） ≥20（T）
40＜t≤50	Normalizing (+N)	490~630	≥335	≥22（l） ≥20（T）
50＜t≤65	Normalizing (+N)	490~630	≥325	≥22（l） ≥20（T）
65＜t≤80	Normalizing (+N)	450~590	≥315	≥22（l） ≥20（T）
80＜t≤100	Normalizing (+N)	450~590	≥305	≥22（l） ≥20（T）

1 Approximate Comparison Table Pressure-Bearing Flat Steel

International Organization for Standardization		European Standard
ISO	Numerical Grade	EN	Numerical Grade
P355N	1.0562	P355N	1.0562

2 Approximate Comparison Table High-Quality Carbon Structural Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
20	SM490B	A537CL1	E355	StE355	A510AP E355R	P355N	1.0562	15GF	2106	223Gr.490 50DD

3 Approximate Comparison Table Steel Plate for Boilers and Pressure Vessels

China	International Organization for Standardization	European Standard
GB	ISO	EN
Q370R GB/T 713.2-2023	P355NH P355N P355NL1 ISO 9328-2018	P355NH P355N P355NL1 EN 10028-2017

P355N Corresponding Standards(Same grade name, different standards)

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