| 石化装置用P9无缝钢管的研发 |
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| 引用本文： | 何彪,肖功业,王国亮,赵庆权,王庆国,许磊磊,张俊萍. 石化装置用P9无缝钢管的研发[J]. 钢管, 2014, 0(4): 38-40 |
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| 作者姓名： | 何彪 肖功业 王国亮 赵庆权 王庆国 许磊磊 张俊萍 |
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| 作者单位： | 天津钢管集团股份有限公司,天津300301 |
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| 摘 要： | 介绍了石化装置用P9热轧无缝钢管的国产化研发过程。通过合理的炼钢、轧制以及热处理工艺控制,研制出的P9热轧无缝钢管化学成分以及各项性能均满足ASME SA 335/SA 335M标准要求,显微组织为回火马氏体,脆性转变温度在-48℃左右,短时高温性能达到ASME相关规范要求,在600℃时,屈服强度仍能够达到270 MPa,可以替代进口,实现P9无缝钢管的国产化。
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| 关 键 词： | P无缝钢管 耐热钢 生产工艺 脆性转变温度 短时高温性能 |
Development of P9 Seamless Steel Pipe for Petrochemical Equipment Service |
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| HE Biao,XIAO Gongye,WANG Guoliang,ZHAO Qingquan,WANG Qingguo,XU Leilei,ZHANG Junping. Development of P9 Seamless Steel Pipe for Petrochemical Equipment Service[J]. Steel Pipe, 2014, 0(4): 38-40 |
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| Authors: | HE Biao XIAO Gongye WANG Guoliang ZHAO Qingquan WANG Qingguo XU Leilei ZHANG Junping |
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| Affiliation: | ( Tianjin Pipe (Group) Corporation, Tianjin 300301, China ) |
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| Abstract: | Elaborated in the assay is the R ＆ D activities for localization of the P9 hot-rolled seamless steel pipe. Thanks to proper control of the processes for steel-making, pipe-rolling and pipe heat treatment, the P9 hotrolled seamless steel pipe as developed has its chemical composition and all the relevant performance indexes in compliance with the requirements under ASME SA 335/SA 335M Specifications, including tempered martensite mierostructure, -48 ℃ brittle transition temperature, short-time high temperature performance conforming to ASME- specified requirement, and yield strength up to 270 MPa at 600 ℃. Therefore the home-made P9 hot-rolled seamless steel pipe is capable of being used as substitute for the imported ones, having brought about realization of localization of this type of pipe. |
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| Keywords: | P9 seamless steel pipe heat-resistant steel manufacturing process brittle transition temperature short-time high temperature performance |
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