| 低温环境用厚壁大管径X80直缝埋弧焊管宽厚板的开发 |
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| 引用本文： | 张国栋,白学军,李颖,谌铁强,王根矶,李群. 低温环境用厚壁大管径X80直缝埋弧焊管宽厚板的开发[J]. 焊管, 2014, 0(2): 29-32,37 |
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| 作者姓名： | 张国栋 白学军 李颖 谌铁强 王根矶 李群 |
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| 作者单位： | [1]秦皇岛首秦金属材料有限公司,河北 秦皇岛066326 [2]中油宝世顺（ 秦皇岛 ）有限公司,河北 秦皇岛066206 |
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| 摘 要： | 根据中亚天然气管道工程C线压气站用直缝管线钢管的技术条件,采用合理的成分设计、严格的炼钢质量控制及控轧控冷工艺,成功开发出具有良好低温韧性的X80宽厚板。产品微观组织以细小均匀的贝氏体为主,复合第二相弥散均匀分布的M/A组元。钢板具有高强度、低屈强比、优良的低温韧性和止裂韧性,在制管焊接过程中表现出良好的焊接性能,经过合理的JCOE工艺制成的直缝埋弧焊管成功应用于中亚C线压气站管线工程。
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| 关 键 词： | X钢 焊管 大壁厚 大管径 低温韧性 |
Development of Heavy Gauge Large Diameter X80 Pipeline Steel Plate for Low Temperature Environment Application |
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| ZHANG Guodong,BAI Xuejun,LI Ying,CHEN Tieqiang,WANG Genji,LI Qun. Development of Heavy Gauge Large Diameter X80 Pipeline Steel Plate for Low Temperature Environment Application[J]. Welded Pipe and Tube, 2014, 0(2): 29-32,37 |
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| Authors: | ZHANG Guodong BAI Xuejun LI Ying CHEN Tieqiang WANG Genji LI Qun |
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| Affiliation: | 1. Qinhuangdao Shouqin Metal Materials Co., Ltd., Qinhuangdao 066326,Heibei, China; 2. Zhongyou BSS (Qinhuangdao) Petropipe Co., Ltd., Qinhuangdao 066326, Heibei, China) |
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| Abstract: | According to the technical specifications of the plate for compressor station of the third line of KAZAKHSTAN-CHINA Main Gas Pipeline（The Middle Asia C Line）.The heavy gauge X80 wide plate with excellent toughness was developed by adopting reasonable composion design, strict steelmaking quality control and TMCP. A fine granular bainite＋M/A constituents were obtained. The plates possess high strength, low Y/T ratio, high toughness, good low temperature crack arrest properties and weldability. The pipe produced with JCOE process was applied to the compressor station of The Middle Asia C Line project. |
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| Keywords: | X80 grade steel welded pipe heavy gauge large diameter low temperature |
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