螺旋埋弧焊钢管内焊缝裂纹是本行业多年未解决的问题。
Inside welding seam cracking of spiral submerged Arc welded pipe is the unsolved problem for many years in the pipe field.
本文介绍了埋弧焊钢管焊缝韧性试验研究的结果及工业生产应用效果。
The experimental results and application effects of weld toughness of spirally submerged arc welded pipe are introduced.
针对螺旋埋弧焊钢管外焊，研制了一种基于视觉传感的焊缝自动跟踪系统。
Aimed at spirally welded steel pipe, a visual sensor for automatic weld seam tracking system is developed.
对国内几种螺旋埋弧焊钢管倒渣装置作了简单介绍分析，指出了这几种方式的优缺点。
This article analyzes some kind of slag pour-out equipment of SSAW pipe, and points out the shortcoming and advantage of these equipment.
简要介绍了直缝埋弧焊钢管生产线预弯工序的重要性、预弯的功能以及预弯工艺过程。
The purpose of prebending process of longitudinal submerged arc welding pipe production line is introduced; character of roller prebending and mould press type prebending is analyzed.
采用宽板小成型角生产小口径螺旋缝埋弧焊钢管时，内焊缝产生裂纹是经常遇到的问题。
Inside weld produced cracks are often faced problem by adopting wide coil with small forming Angle to produce small size spiral submerged welded pipe.
螺旋埋弧焊钢管焊接过程中因直流焊接电源的影响会产生磁场，焊接结束后仍有剩磁存在。
It will produce magnetic field due to affection by direct current welding power supply during the welding of spiral submerged arc welded pipe. It will still remain residual magnetic.
提出了2 1世纪中国建设大口径直缝埋弧焊钢管生产线及管线钢用宽厚板国产化的必要性。
It also raises the necessity that China shall build LSAW pipe production line and produce wide and thick plate for pipeline steel in 21 century.
通过试验研究了X65、X70级螺旋埋弧焊钢管不同拉伸试样——板状试样和圆棒试样的拉伸性能。
This paper studies the tensile properties of stripe and round bar specimens for high grade(API X65~X70) spiral submerged-arc welding(SSAW) steel pipes.
针对螺旋埋弧焊钢管生产中空气等离子切割烟尘对环境污染的问题，设计了一种工作稳定可靠的烟尘净化系统。
Environment pollution problem generated by plasma cutting smoke and dust during SSAW pipe production process was analyzed; a kind of stable and reliable smoke and dust cleaning system was designed.
介绍了俄罗斯直缝埋弧焊钢管和螺旋缝埋弧焊钢管的生产设备和工艺等制管技术以及独特的热处理管线钢管的特点。
The characteristic of pipe manufacturing technology and its unique heat-treatment pipe for pipeline for production units and processes of Russian LSAW pipes and SSAW pipes is introduced.
针对螺旋埋弧焊钢管横向板状试样在拉伸试验时存在的屈服强度误差较大的问题，分析了其误差较大的原因，并提出了相应的解决办法。
To the problem of more yield strength error in SSAW pipe transverse strip specimen tensile tests, analyze the reason of the error, put forward corresponding solving method.
简要介绍了螺旋埋弧焊钢管X射线检测通常采用的方法，分析了螺旋埋弧焊钢管拍片检测中的散射线来源及其对拍片质量的影响，给出了几种切实可行的散射线屏蔽方法。
This article briefly introduced common methods adopted in SSAW pipe X-ray inspection, analyzed scattering line from the origin and its effect on X-ray quality.
螺旋焊管是以带钢卷板为原材料，经常温挤压成型，以自动双丝双面埋弧焊工艺焊接而成的螺旋缝钢管。
Spiral welded pipe is a strip coil as raw material, often warm extrusion molding, to automatically double-wire submerged arc welding process double-sided spiral welded pipe joints.
在螺旋焊管的生产过程中，在线埋弧自动焊的焊接质量对最终钢管产品的质量具有十分重要意义。
In the production of spiral weld pipe, the quality of the online automatic submerged arc welding is of significant importance to the final steel pipe product.
直缝埋弧焊管是长距离输送石油、天然气的主要管线产品，钢管由厚钢板压制成形。
LSAW pipes, made by thick steel plates through compacting, are main pipeline products for long-distance transportation of oil, natural gas.
X80钢螺旋缝和直缝埋弧焊管的批量试制结果全部符合“X80级管线钢管应用工程”钢管技术条件的要求；
The results of batch manufacture grade X80 spiral and longitudinal submerged arc welded pipe all meet the pipe technical conations required by"Grade X80 Pipeline Steel Pipe Application Project";
X80钢螺旋缝和直缝埋弧焊管的批量试制结果全部符合“X80级管线钢管应用工程”钢管技术条件的要求；
The results of batch manufacture grade X80 spiral and longitudinal submerged arc welded pipe all meet the pipe technical conations required by"Grade X80 Pipeline Steel Pipe Application Project";
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