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- Toughness is one of important properties for pipeline steel. 韧性是管线钢最重要的性能之一。
- The parameters which affect the toughness of high grade pipeline steels were studied using electron backscatterea diffraction (EBSD). 摘要用电子背散射衍射对系列高钢级管线钢的晶体学参数进行了研究。
- The parameters which affect the toughness of high grade pipeline steels were studied using electron backscatterea diffraction(EBSD). 用电子背散射衍射对系列高钢级管线钢的晶体学参数进行了研究。
- The deformability and relevant property indexes of pipeline steel and delivery pipe have been summarized in this paper. 综述了管线钢及输送管的变形能力及相关指标。
- Toughness distributions of different area on HAZ of grade X80 pipeline steel have been studied. 研究了X80级管线钢焊接热影响区不同区域的韧性分布。
- Effect of X60 pipeline steel microstructure on its yield behavior during tensile test is studied. 研究了X60管线钢的显微组织对其拉伸过程中屈服行为的影响。
- Abstract Corrosion resistance play an important role in the reliability of pipeline steels, and HIC (Hydrogen Induced Cracking) is one of failure forms for pipeline. 摘要 耐蚀性是影响管道可靠性的重要因素,其中氢致裂纹是管道的失效形式之一。
- Improving measures are put forward through cause analysis on unqualified DWTT of L360MB pipeline steel. 分析管线钢L360MB落锤不合格的原因,提出生产改进措施。
- The micro-structure and mechanical properties of X65 pipeline steel jointer weld were studied. 研究了X65管线钢焊接接头的显微组织和力学性能。
- The delamination crack and its effect on the fracture of pipeline steel were investigated by drop-weight tear test(DWTT)at different temperature and micrograph analysis. 通过对管线钢不同温度的落锤撕裂试验和微观断口分析,研究了DWTT试样断口的分层裂纹及其对断裂的影响。
- The production technology and mechanical properties of X65 pipeline steel plate produced by 3500 steckel mill at Nanjing Iron & Steel United Co. 介绍了南钢在3 500炉卷轧机上研制开发的X65管线钢板的生产工艺与产品性能。
- Investigation results show that the comprehensive action of H2O, H2S,CO2, Cr and stress brings abort pipeline steel bursts. 结果表明:管道中的H2O、H2S、CO2、Cl-和应力的综合作用造成了管道钢的开裂。
- This paper based on K60 pipeline steel,by means of DWTT and Charpy impact test,given an analysis on pipeline steel low-temperature fracture toughness. 试验结果表明,随着壁厚的增加,K60级管线钢夏比冲击韧性变化不大,DWTT性能严重下降。
- The results show that the X65 pipeline steel with acicular ferrite produced by Steckel mill rolling has excellent mechanical properties. 对X65管线钢的炉卷轧制工艺进行了实验室模拟研究,并采用光学、电子显微技术和力学分析等方法研究了X65管线钢的微观组织与性能。
- The results indicate that the per-tension deformation increases yield strergth and tensile strength,reduces the malleability of the X60 pipeline steel. 结果表明:预拉伸变形增大了X60管线钢的屈服强度、抗拉强度,降低了材料的塑韧性;
- This article introduces the development, production andapplication of Baosteel X65 high strength and high toughness pipeline steel . 介绍了宝钢发展X65高强度高韧性管线钢所进行的研制、生产及应用情况。
- Introduced the weldability of the X60 pipeline steel transmittingof gas with high H2S and analyzed the result of the test. 介绍了输送含H2S较高的天然气X60管线钢焊接性。并对试验结果进行了分析。
- It states that experimental study on stress corrosion crack to API high strength pipeline steel pipes by research department of JFE Co. 叙述了日本JFE钢研单位在实验室条件下采用不同防蚀电位、恒定负荷、变动应力、电化学方法等对API高强度管线钢钢管应力腐蚀裂纹的试验研究。
- The modern high performance pipeline steel has been developing for high strength,heavy wall,high deformability and HIC-resistance. 现代管线钢向高强度、大厚度、抗应变和抗HIC方向发展。
- Laking of experience of pipeline steel test and manufacturing data, and considering development of relative grade, Jinan Steel focuses in X60. 由于缺乏管线钢试验数据与现场生产经验的积累,结合本单位其他相近钢种的开发情况,济钢将开发管线钢的出发点确定为X60级别。