ATMOSPHERIC CORROSION STUDY OF A NEW TYPE OF ECONOMIC WEATHERING STEEL

J Chin Soc Corr Pro

2000, Vol. 20

Issue (3): 135-141 DOI:

Research Report

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ATMOSPHERIC CORROSION STUDY OF A NEW TYPE OF ECONOMIC WEATHERING STEEL

Caifeng Liang;Wentai Hou;;;

山东青岛钢铁研究总院海洋腐蚀研究所

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Abstract Onthe basis of eight year atmospheric exposure data of steels at seven sites in China, a new tyoe of weathering steel-economical weathering steel was developed. The steel,with a composition of phosphorus 0.035% and copper 0.2%, was produced by Wuhan Iron & Steel Company. In addition to cycling immersion accelerating corrosion tests,4year, 3period atmospheric exposure at seven environmental tyoical sites in China including Beijing , Qingdao, Wuhan, Jiangjin, Guangzhou, Qinghai and Wanning, was carried out. Results showed that corrosion resistance of the steel is better than that of commonmild steel at all these seven places. The effect is more notakle at Qingdao, Jiangjin and Wanning, where are characterized with marine salt pollution acid rain pollution aand humid hot plus marine salt pollution respectively.Cycling immersion accelerating corrosion tests showed the new type steel have more obvious advantage over the common mild steel.

Key words: economical weathering steel atmospheric corrosion mild steel

Received: 06 May 1999

ZTFLH:

TG174.2+2

Corresponding Authors: Caifeng Liang

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Caifeng Liang; Wentai Hou. ATMOSPHERIC CORROSION STUDY OF A NEW TYPE OF ECONOMIC WEATHERING STEEL. J Chin Soc Corr Pro, 2000, 20(3): 135-141 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2000/V20/I3/135

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