New Butt Method for Spiral Welded Pipe

The Distribution of the Residual stress in the Spiral Welded Pipe and the Influencing Factors

螺旋焊管残余应力的分布及影响因素

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Reconstruct of High Frequency Spiral Welded Pipe Unit

高频螺旋焊管机组的改造

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The Occurrence and Reduction of Indentation for Spiral Welded Pipe Body

螺旋焊管管体压痕的产生与缓解

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Flexible Guiding Tracking of Weld Ultrasonic Automatic Inspection for Spiral Welded Pipe

螺旋焊管焊缝超声波自动检测的柔性导向跟踪

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Analysis of Precision of On-line Ultrasonic Flaw Detection of SAW Spiral Welded Pipe

螺旋埋弧焊管焊缝在线超声波自动探伤准确性分析

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The Improvement of Extruding Installation and Friction Analysis in Spiral Welded Pipe

螺旋焊管挤压装置改进及摩擦分析

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Automatic Grinding Unit for Pipe Ends Weld of Spiral Welded Pipe

螺旋焊管管端焊缝自动磨削机

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Analysis and Control to Weld Crack of Spiral Welded Pipe with Small Forming Angle

小成型角螺旋焊管焊缝裂纹的分析与控制

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Mathematical analysis for the diameter tolerance of spiral welded pipe

螺旋焊管直径公差的数学分析

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Investigation on Ultrasonic Online Automatic Flaw Detecting System of Spiral Welded Pipe

螺旋焊管的在线超声波自动探伤系统设计

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Discussion on Development Strategy of Spiral Welded Pipe Firms

螺旋焊管企业发展战略探讨

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Analysis and Study on Residual Elastic Recovery of Spiral Welded Pipe ( Part ⅱ)

螺旋焊管残余弹复问题的分析与研究（下）

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Research on Spiral Welded Pipe Online Automatic Diameter Measure Equipment

螺旋焊管在线自动测径装置

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Test Research of Spiral Welded Pipe Full Length Cold Expansion Technology

螺旋焊管全长冷扩径技术的试验研究

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The Project Design for Intelligence Control System of Spiral Welded Pipe

螺旋管内外焊智能控制系统的设计与改进

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Preliminary Exploration of Front-Swing Type Spiral Welded Pipe

前摆式螺旋焊管机组调型初探

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Analysis of Stress Cracking of Small-sized Spiral Submerged-arc Weld Pipe and Relevant Preventive Actions

小管径螺旋埋弧焊管应力裂纹分析及防止措施初探

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The discussion involves such aspects as the cause of strip folding occurring in butt-welding process of spiral weld pipe, negative influence by such failure on pipe quality and preventive actions.

介绍了螺旋焊管生产中对头焊带钢的硬弯现象发生原因，对钢管质量的危害及防止措施。

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According to deformation feature of sheet strip during forming process of the spiral weld pipe and the stress condition of weld pipes wall between lower surface and upper surface.

在研究螺旋焊管成形过程中带钢的变形特征、焊管管壁层间应力的基础上，提出了一种特殊工艺过程&锥形螺旋焊管成形工艺。

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The Triaxial Magnetic Flux Leakage Signal Analysis of Spiral Weld Roof Topping and Hi-Low Defects Three-dimensional Numerical of CLAM Steel on TIG Welding

螺旋焊缝噘嘴错边缺陷三轴漏磁信号分析中国低活化马氏体钢TIG焊焊接的三维数值模拟

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