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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 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。
- 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。
- The electrochemical characteristics of pitting corrosion of X70 pipeline steel in phosphate buffer solution were studied in this paper. 研究了X70钢在磷酸盐缓冲溶液中的亚稳态与稳态孔蚀的电化学行为特征。
- Using the NACE standard bent-beam test,the behavior of sulfide stress corrosion cracking(SSCC) of different microstructures for X70 grade pipeline steel was investigated. 采用三点弯曲法研究了不同组织类型的X70级管线钢的硫化物应力腐蚀开裂(SSCC)行为。
- The mechanical properties of welding and weldment have been conduct on X80 pipeline steel under the selection of welding process, welding filler metal and parameter. 摘要在选定焊接方法、焊接材料和工艺参数条件下，进行了X80管线钢试件焊接和接头性能试验。
