油井管用15%Cr马氏体不锈钢的开发 |
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引用本文: | 曹长娥,冯先锦.油井管用15%Cr马氏体不锈钢的开发[J].钢管,1992(6):55-60. |
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作者姓名: | 曹长娥 冯先锦 |
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摘 要: | 研究13%Cr马氏体不锈钢在含CO_2油井环境下的耐腐蚀性能的同时,开发了15%Cr马氏体不锈钢,并用该钢制造出L-80级无缝钢管。经试验,15%Cr钢具有良好的韧性,可在200℃以下含微量H_2S的CO_2环境中使用,其耐硫化氢应力腐蚀(SSC)性能与13%Cr钢相同,并比22%Cr双相不锈钢更为经济。
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关 键 词: | 油井管 13%Cr钢 15%Cr马氏体不锈钢 开发 |
15%Cr MARTENSITIC STAINLESS STEEL DEVELOPED FOR OCTG |
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Abstract: | While studying the anti-corrosion property of 13%Cr martensitic stainless steel under oil well having CO_2, a new 15%Cr martensitic stainless steel was developed and the L-80 grade seamless tubes of the steel were manufactured. The experiment shows that the 15%Cr steel with high toughness and with the same SSC resistance property as that of 13%Cr steel, can be employed in CO_2 environment containing small amount of H_2S under the temperature up to 200℃ and that it is more economic to use the steel than to use 22%Cr duplex stainless steel. |
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Keywords: | OCTG 13%Cr steel 15%Cr martensitic stainless steel development |
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