Corrosion Behavior of Hot-rolled AH36 Plate in Indoor Storage Environment

doi:10.11902/1005.4537.2019.219

Journal of Chinese Society for Corrosion and protection

2020, Vol. 40

Issue (1): 10-16 DOI: 10.11902/1005.4537.2019.219

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Corrosion Behavior of Hot-rolled AH36 Plate in Indoor Storage Environment

FAN Yi¹,CHEN Linheng¹,CAI Jiaxing¹,DAi Qinqin¹,MA Hongchi^1,²(

),CHENG Xuequn²

1. Jiangsu Key Laboratory for Premium Steel Materials, Nanjing Iron & Steel United Co. , Ltd. , Nanjing 210035, China
2. Key Laboratory for Corrosion and Protection (MOE), Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China

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Abstract

To provide guideline for storage period and hot roll process, field corrosion behavior of hot-rolled AH36 steel with two typical oxide scales, namely the black and red ones respectively, were investigated in storage environment. Corrosion loss was calculated and corrosion morphologies and environmental conditions were continuously monitored. Results revealed that the oxide scale of AH36 steel could increase the corrosion potential and greatly decrease the corrosion current density. Moreover, corrosion resistance of the black oxide scale is superior to that of the red one due to its thicker and more compact scale. The black scale started to blister while the red one exhibited apparent rust staining after exposure for 119 d in storage environment with relative humidity of 72% at c.a. 23.4 ℃. Corrosion area was enlarged rapidly after 119 d exposure for both samples. Cross-sectional morphologies revealed that corrosion has already occurred and a thickness of 2~3 μm of corrosion products has been formed at the interface of oxide scale and substrate. Meanwhile, apparent voids and microcracks appeared in oxide scale, especially for the red one. Moreover, corrosion depth approximately obeyed exponential growth within the first stage of 119 d and hereafter increased almost linearly.

Key words: hot-rolled oxide scale AH36 steel shipbuilding steel indoor storage environment atmospheric corrosion

Received: 28 May 2019

ZTFLH:

TG172.3

Corresponding Authors: Hongchi MA E-mail: mahongchi128@163.com

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Cite this article:

FAN Yi,CHEN Linheng,CAI Jiaxing,DAi Qinqin,MA Hongchi,CHENG Xuequn. Corrosion Behavior of Hot-rolled AH36 Plate in Indoor Storage Environment. Journal of Chinese Society for Corrosion and protection, 2020, 40(1): 10-16.

URL:

https://www.jcscp.org/EN/10.11902/1005.4537.2019.219 OR https://www.jcscp.org/EN/Y2020/V40/I1/10

Fig.1 Optical images of black (a) and red (b) hot-rolled oxide scales of AH36 steel

Fig.2 Surface morphologies of black (a) and red (b) hot-rolled oxide scale of AH36 steel

Fig.3 Cross-sectional morphologies of black (a) and red (b) hot-rolled oxide scale of AH36 steel

Fig.4 Potentiodynamic polarization curves of bare metal and oxide scale of AH36 steel

Table 1 Fitted corrosion potentials and corrosion current densities of bare metal and oxide scale of AH36 steel

Fig.5 Optical images of black oxide scale of AH36 steel after exposured in indoor storage for 0 d (a), 13 d (b), 35 d (c), 69 d (d), 91 d (e), 119 d (f), 152 d (g) and 182 d (h)

Fig.6 Optical images of red oxide scale of AH36 steel after exposured in indoor storage for 0 d (a), 13 d (b), 35 d (c), 69 d (d), 91 d (e), 119 d (f), 152 d (g) and 182 d (h)

Fig.7 Corrosion depth of AH36 steel covered with black and red oxide scale after different periods of expo-sure in storage

Fig.8 Temperature and relative humidity in storage during 182 d of exposure

Fig.9 Cross-sectional morphologies of black (a) and red (b) oxide scale of AH36 steel after exposured in storage for 69 d

Fig.10 Cross-sectional composition mapping of black (a) and red (b) oxide scale of AH36 steel after exposured in storage for 69 d

[1]	Ye Z G, Zhu M, Zhou X L, et al. Effects of heat treatment temperature on structure and corrosion behavior of original oxide scale on 510L hot rolled strip [J]. J. Mater. Eng., 2011, (5): 53
[1]	(叶志国, 朱敏, 周贤良等. 热处理温度对510L热轧带钢原始氧化皮结构及其腐蚀行为的影响 [J]. 材料工程, 2011, (5): 53)
[2]	Bu F M, He S, Ye C J, et al. Features of oxide scale on the surface of hot-rolled 304 stainless steel [J]. Mater. Prot., 2011, 44(2): 48
[2]	(卜福明, 何申, 叶纯杰等. 热轧304不锈钢表面氧化皮特性的探讨 [J]. 材料保护, 2011, 44(2): 48)
[3]	Wang F, Yuan W H. Effect of iron oxide on corrosion resistance of hot-rolled wire rod [J]. Mater. Prot., 2009, 42(5): 59
[3]	(王峰, 袁武华. 氧化皮对热轧盘条耐腐蚀性的影响 [J]. 材料保护, 2009, 42(5): 59)
[4]	Dong C F, Xue H B, Li X G, et al. Electrochemical corrosion behavior of hot-rolled steel under oxide scale in chloride solution [J]. Electrochim. Acta, 2009, 54: 4223
[5]	Zhou X L, Zhu M, Hua X L, et al. Effects of oxide scale on corrosion performance of SS400 hot rolled strip [J]. J. Chin. Soc. Corros. Prot., 2012, 32: 109
[5]	(周贤良, 朱敏, 华小珍. 氧化皮对SS400热轧带钢耐蚀性的影响 [J]. 中国腐蚀与防护学报, 2012, 32: 109)
[6]	Zhou X L, Zhu M, Yu H Y, et al. Structure and corrosion resistance of oxide scale formed on hot rolled strip by different heat treatment processes [J]. Trans. Mater. Heat Treat., 2011, 32(7): 139
[6]	(周贤良, 朱敏, 余慧燕等. 热处理工艺对热轧带钢氧化皮结构及其耐蚀性的影响 [J]. 材料热处理学报, 2011, 32(7): 139
[7]	Gu Q D, Dong C F, Li X G, et al. Corrosion behavior and structure of oxide scales formed on hot rolled strips after coiling with different oxygen supplies [J]. J. Univ. Sci. Technol. Beijing, 2009, 31: 1564
[7]	(顾其德, 董超芳, 李晓刚等. 卷曲后供氧差异对热轧带钢氧化皮组织及耐蚀性的影响 [J]. 北京科技大学学报, 2009, 31: 1564)
[8]	Sun W H, Tieu A K, Jiang Z Y, et al. Oxide scales growth of low-carbon steel at high temperatures [J]. J. Mater. Process. Technol., 2004, 155/156: 1300
[9]	Chandra-Ambhorn S, Phadungwong T, Sirivedin K. Effects of carbon and coiling temperature on the adhesion of thermal oxide scales to hot-rolled carbon steels [J]. Corros. Sci., 2017, 115: 30
[10]	Pérez F J, Martínez L, Hierro M P, et al. Corrosion behaviour of different hot rolled steels [J]. Corros. Sci., 2006, 48: 472
[11]	CSTM 00043.2-2018 Atmospheric corrosion test-Part 2: exposure corrosion tests of metallic materials [S]
[11]	(CSTM 00043.2-2018 大气环境腐蚀试验第2部分: 金属材料暴露腐蚀试验 [S])
[12]	Li X G. Corrosin and Protection of Materials [M]. Changsha: Central South University Press, 2009
[12]	(李晓刚. 材料腐蚀与防护 [M]. 长沙: 中南大学出版社, 2009)
[13]	Morcillo M, Chico B, Díaz I, et al. Atmospheric corrosion data of weathering steels. A review [J]. Corros. Sci., 2013, 77: 6
[14]	Wang Z F, Liu J R, Wu L X, et al. Study of the corrosion behavior of weathering steels in atmospheric environments [J]. Corros. Sci., 2013, 67: 1
[15]	Hao L, Zhang S X, Dong J H, et al. Atmospheric corrosion resistance of MnCuP weathering steel in simulated environments [J]. Corros. Sci., 2011, 53: 4187
[16]	Díaz I, Cano H, Lopesino P, et al. Five-year atmospheric corrosion of Cu, Cr and Ni weathering steels in a wide range of environments [J]. Corros. Sci., 2018, 141: 146
[17]	Wang S T, Li M, Zhu L X, et al. Effect of silicon content on red scale of hot rolling coil [J]. Hot Working Technol., 2011, 40(16): 50
[17]	(王松涛, 李敏, 朱立新等. Si含量对热轧板卷表面红色氧化铁皮的影响 [J]. 热加工工艺, 2011, 40(16): 50)
[18]	Han W T. Effect of silicon content on structure and adhesion of prior oxide scale [J]. CISC Technol., 2006, 49(2): 18
[18]	(韩文涛. Si含量对钢的一次氧化皮结构和粘结性的影响 [J]. 重钢技术, 2006, 49(2): 18)

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