Failure analysis of fillet weld crack in linepipe

Lei Guoa Production and operation department, PipeChina West East Gas Pipeline Company, Shanghai, China

Leilei Wanga Production and operation department, PipeChina West East Gas Pipeline Company, Shanghai, China

Lin Wangb Pipeline Material and Anti-corrosion Technology Center, China Petroleum Pipeline Research Institute co., Ltd., Langfang, China

Mingchang Wua Production and operation department, PipeChina West East Gas Pipeline Company, Shanghai, China

Ting Panb Pipeline Material and Anti-corrosion Technology Center, China Petroleum Pipeline Research Institute co., Ltd., Langfang, China

Han Xiaob Pipeline Material and Anti-corrosion Technology Center, China Petroleum Pipeline Research Institute co., Ltd., Langfang, China

Ning Qiaob Pipeline Material and Anti-corrosion Technology Center, China Petroleum Pipeline Research Institute co., Ltd., Langfang, China

Xueda Lic School of Materials Science and Engineering, China University of Petroleum (East China), Dongying, ChinaCorrespondence[email protected]

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