Initial Corrosion Behavior of Carbon Steel Q235, Pipeline Steel L415, and Pressure Vessel Steel 16MnNi Under High Humidity and High Irradiation Coastal-Industrial Atmosphere in Zhanjiang

doi:10.11900/0412.1961.2021.00305

IMR OpenIR

	Initial Corrosion Behavior of Carbon Steel Q235, Pipeline Steel L415, and Pressure Vessel Steel 16MnNi Under High Humidity and High Irradiation Coastal-Industrial Atmosphere in Zhanjiang
	Li Xiaohan 1,2; Cao Gongwang 2; Guo Mingxiao 1,2; Peng Yunchao 3; Ma Kaijun 3; Wang Zhenyao 2
通讯作者	Cao Gongwang(gwcao@imr.ac.cn) ; Wang Zhenyao(zhywang@imr.ac.cn)
	2023-07-11
发表期刊	ACTA METALLURGICA SINICA
ISSN	0412-1961
卷号	59 期号:7 页码:884-892
摘要	The Zhanjiang oil station is located near the sea, and corrosion factors such as Cl-, SO2, humidity, and UV irradiation in the surrounding environment will endanger the service life of the common materials. Carbon steel Q235 is commonly used as an oil tank pressure ring, pipeline steel L415 is used for oil and gas transportation, and pressure vessel steel 16MnNi is commonly used as the outer wall material of an oil tank. These materials are easily corroded when they are directly exposed to the atmosphere, but there have been few studies in recent years on the short-term corrosion behaviour of common metal materials in oil stations in high humidity and high irradiation industrial marine atmosphere environments. In this work, the initial corrosion behaviour of carbon steel Q235, pipeline steel L415, and pressure vessel steel 16MnNi exposed to the real Zhanjiang atmospheric environment for 180 d were studied through weight loss analysis, corrosion product analysis, corrosion morphology observation, and electro-chemical analysis. According to the thickness loss data, carbon steel Q235 had the weakest corrosion resistance of the three materials, whereas pipeline steel L415 had the best corrosion resistance. These common materials were exposed to the same atmospheric environment for the same amount of time, resulting in the same corrosion products in the rust layer, which contained alpha-FeOOH, gamma-FeOOH, and Fe3O4. The difference was that the rust layer of carbon steel Q235 contained a high concentration of beta-FeOOH, which may have facilitated the corrosion process. The concentration of gamma-FeOOH and Fe3O4 varied amongst the three materials. The rust layer of carbon steel Q235 contained more gamma-FeOOH and Fe3O4, followed by pressure vessel steel 16MnNi and pipeline steel L415, which had the least gamma-FeOOH and Fe3O4. Furthermore, carbon steel Q235 had the thinnest rust layer and the greatest thickness loss, whereas pipeline steel L415 and pressure vessel steel 16MnNi had a thicker rust layer and less thickness loss. The results of electrochemical experiments showed that the rust layer of carbon steel Q235 has the weakest ability to protect the matrix, whereas the rust layer of L415 has the best ability to protect the matrix. Additionally, the synergistic effect of Cl-, SO2, and UV irradiation destroyed the protective layer of the rust layer and accelerated the corrosion.
关键词	atmospheric corrosion corrosion product carbon steel Q235 pipeline steel L415 pressure vessel steel 16MnNi
DOI	10.11900/0412.1961.2021.00305
收录类别	SCI
语种	英语
WOS研究方向	Metallurgy & Metallurgical Engineering
WOS类目	Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001007541900004
出版者	SCIENCE PRESS
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/178436
专题	中国科学院金属研究所
通讯作者	Cao Gongwang; Wang Zhenyao
作者单位	1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.PipeChina Network Corp Eastern Oil Storage & Tran, Xuzhou 221008, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Li Xiaohan,Cao Gongwang,Guo Mingxiao,et al. Initial Corrosion Behavior of Carbon Steel Q235, Pipeline Steel L415, and Pressure Vessel Steel 16MnNi Under High Humidity and High Irradiation Coastal-Industrial Atmosphere in Zhanjiang[J]. ACTA METALLURGICA SINICA,2023,59(7):884-892.
APA	Li Xiaohan,Cao Gongwang,Guo Mingxiao,Peng Yunchao,Ma Kaijun,&Wang Zhenyao.(2023).Initial Corrosion Behavior of Carbon Steel Q235, Pipeline Steel L415, and Pressure Vessel Steel 16MnNi Under High Humidity and High Irradiation Coastal-Industrial Atmosphere in Zhanjiang.ACTA METALLURGICA SINICA,59(7),884-892.
MLA	Li Xiaohan,et al."Initial Corrosion Behavior of Carbon Steel Q235, Pipeline Steel L415, and Pressure Vessel Steel 16MnNi Under High Humidity and High Irradiation Coastal-Industrial Atmosphere in Zhanjiang".ACTA METALLURGICA SINICA 59.7(2023):884-892.