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INFLUENCE OF DIFFERENT HEAT TREATMENT ON CORROSION RESISTANCE OF G105 PIPE |
HUANG Bensheng1,2, JIANG Zhongying2, PAN Huanhuan2, YUAN Pengbin3, LIU Qingyou1 |
1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University,Chengdu 610500;\noindent
2. School of Materials Science and Engineering, Southwest Petroleum University, Chengdu 610500
3. Shanghai Hilong Petroleum Tubular Goods Research Institute, Shanghai 200949 |
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Abstract Based on the heat treatment process test of G105 pipe materials, the influence of different heat treatment on material microstructure and properties was studied by using electrochemical test and slow strain rate tensile test. The results show that material properties can meet the need of G105 pipe technical requirements after quenched at 890℃ and tempered at 620℃ or quenched at 890℃and tempered at 580℃; tempering temperature impacts the mechanical properties of materials, and the higher the tempering temperature, the stronger the ductility and the toughness; the microstructure after quenched at 890℃ and tempered at 620℃ is superior to that quenched at 890℃ and tempered at 580℃, and the former has better corrosion resistance.
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Received: 09 August 2010
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Corresponding Authors:
JIANG Zhongying
E-mail: jiangzhongying85@126.com
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