Discuss how to control effectively welding quality by confirming stainless pipelines technique and the technique requirement combined with pipeline construction.
结合管道施工，探讨如何通过对不锈钢管道焊接工艺的确定及技术要求，对焊接质量进行有效控制。
As an important procedure of pipeline construction, the welding quality will directly influence the pipeline's service life and safety.
焊接作为管道施工中的一个重要工序，其质量的好坏直接影响管道的寿命和输送油气的安全。
The key in long-distance pipeline construction is welding process, long-distance pipeline construction quality is inextricably linked with quality control of welding process.
在长输管道工程施工中的关键是焊接过程，长输管道工程的施工质量好坏与焊接过程的质量控制是密不可分。
Pipeline inner loop welder is applicable for big-caliber pipeline welding in construction procedure to joint the ends of pipes and fulfill roots welding.
管道全位置自动内焊机适用于大口径管道焊接施工过程中组对管口、完成根焊。
The method can well realize the construction of welding and heat treatment of the austenitic stainless steel thick-wall pipeline containing stabilizing elements.
本发明的方法可良好地实现含稳定化元素的奥氏体不锈钢厚壁管道的焊接及热处理施工。
The advantages of all-position automatic welding process in pipeline construction are introduced.
介绍了管道全位置自动焊接施工过程和全位置自动焊接的优点。
To accord with the safety and the quality insurance system in pipeline construction, a new construction scenario, the welding over ditch in plain area and welding in ditch in mountain...
针对山区段管道施工中存在的主要问题，并根据管道施工安全和质量保证体系的要求，提出了平原地段管道实行沟上焊接，山区地段管道全部采用沟下焊接的施工方案。
Construction technology of large-scale pipeline and mixing type vertical downwards-welding technology is introduced.
介绍了大型管网施工工艺程序和混合型立向下焊焊接工艺原理。
It is represented to a few automatic welding modes commonly used among welding construction of long distance pipeline both at home and abroad and compared with them.
介绍了国内外长输管道焊接施工中常用的几种自动焊接方式，并对其进行了比较。
The down welding process is applied extensively in long petroleum pipeline construction.
下向焊工艺已经广泛用于长输管道建设工程中。
If following situations happen in construction site for welding of pipeline and no protective measure are taken, welding operation shall be stopped.
4管道的施焊环境若出现下列情况之一，而未采取防护措施时，应停止焊接作业。
If following situations happen in construction site for welding of pipeline and no protective measure are taken, welding operation shall be stopped.
4管道的施焊环境若出现下列情况之一，而未采取防护措施时，应停止焊接作业。
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