P265GH - ISO 9328-2-2018

Grade	P265GH
Corresponding Standard	ISO 9328-2-2018 Steel Flat Products for Pressure Purposes - Non-alloy and Alloy Steels with Specified Elevated Temperature Properties
Classification	Alloy Steel

P265GH Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti	V	Nb	Al	More
Minimum Value	-	-	0.8	-	-	-	-	-	-	-	-	-	-	-	Cr+C+Mo+Ni≤0.70；Al：N ≥ 2
Maximum Value	0.2	0.4	1.4	0.025	0.01	0.3	0.3	0.3	0.08	0.012	0.03	0.02	0.02	0.02	Cr+C+Mo+Ni≤0.70；Al：N ≥ 2

P265GH Mechanical Properties

	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)	410~530	≥265	≥22	（-20℃） ≥27
16＜t≤40	Normalizing (+N)	410~530	≥255	≥22	≥27
40＜t≤60	Normalizing (+N)	410~530	≥245	≥22	≥27
60＜t≤100	Normalizing (+N)	410~530	≥215	≥22	≥27
100＜t≤150	Normalizing (+N)	400~530	≥200	≥22	≥27
150＜t≤250	Normalizing (+N)	390~530	≥185	≥22	≥27

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
Q245R GB/T 713-2008	SEV245 JIS G3124:2004	Gr.65(450) ASTM A515/A515M-2003	P265GH ISO 9328-2-2004	P265GH EN 10028-2-2003	1.0425	16ГС GOST 5520-1979

2 Approximate Comparison Table Steel Plate for Boilers and Pressure Vessels

China	United States	International Organization for Standardization	European Standard
GB	ASTM	ISO	EN
Q245R GB/T 713.2-2023	SA516Gr.60 ASME Ⅱ-A-2021	P265GH ISO 9328-2018	P265GH EN 10028-2017

P265GH Corresponding Standards(Same grade name, different standards)

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