P355GH 1.0473 - EN 10028-2-2009

Grade	P355GH
European Standard Steel Grade	1.0473
Corresponding Standard	EN 10028-2-2009 Flat products made of steels for pressure purposes Part 2 Non-alloy and alloy steels with specified elevated temperature properties
Classification	Carbon Steel

P355GH Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^⑤	Mo	N ^④	Ti	V	Nb	Al	More
Minimum Value	0.1	-	1.1	-	-	-	-	-	-	-	-	-	-	0.02	Cr+Cu+Mo+ Ni≤ 0.7
Maximum Value	0.22	0.6	1.7	0.025	0.01	0.3	0.3	0.3	0.08	0.012	0.03	0.02	0.04	-	Cr+Cu+Mo+ Ni≤ 0.7

P355GH Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤16	Normalizing (+N)	510~650	≥355	≥20	* ≥40
16＜t≤40	Normalizing (+N)	510~650	≥345	≥20	≥40
40＜t≤60	Normalizing (+N)	510~650	≥335	≥20	≥40
60＜t≤100	Normalizing (+N)	490~630	≥315	≥20	≥40
100＜t≤150	Normalizing (+N)	480~630	≥295	≥20	≥40
150＜t≤250	Normalizing (+N)	470~630	≥280	≥20	≥40

1 Approximate Comparison Table Steel Plate for Boilers and Pressure Vessels

China	Japan	United States	International Organization for Standardization	European Standard		Russia
GB	JIS	ASTM	ISO	EN	Numerical Grade	GOST
Q345R GB/T 713-2008	SEV345 JIS G3124:2004	Grade B ASTM A737/A737M-1999	P355GH ISO 9328-2004	P355GH EN 10028-2-2003	1.0473	17Г1С GOST 5520-1979

2 Approximate Comparison Table High-Quality Carbon Structural Steel

3 Approximate Comparison Table Steel Plate for Boilers and Pressure Vessels

China	United States	International Organization for Standardization	European Standard
GB	ASTM	ISO	EN
Q345R GB/T 713.2-2023	SA516 Gr.70 ASME Ⅱ-2-2021	P355GH P355NH ISO 9328-2018	P355GH P355NH EN 10028-2017

P355GH Corresponding Standards(Same grade name, different standards)

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