Thermal simulating technology was adopted to study grain size and the precipitates distribution of CGHAZ for X80 pipeline steel with different welding condition.
采用热模拟技术研究了X80管线钢在不同焊接热循环条件下晶粒及第二相粒子的变化。
The design concept, overall configuration and features of pipeline welding management system developed by utilizing computer technology are introduced.
介绍了利用计算机技术开发管道焊接施工管理系统的设计思想、系统的总体构成和特点。
To study quadratic heat circulation to the effect of welding wide crystal area performance of X80 pipeline steel by adopting thermal simulation technology.
采用热模拟技术研究了二次热循环对X80级管线钢焊接粗晶区性能的影响。
A reasonable selecting of welding methods and applying corresponding welding technology are the keys to ensure the welding quality of long-distance transportation pipeline.
合理的选择焊接方法和应用相应的焊接技术是保证长输管道焊接质量的关键。
It is the important measure which vigorously promote and apply pipeline all-position automatic welding technology to realize the highly efficiency of pipeline welding.
大力推广使用管道全位置自动焊接技术是实施管道高效焊接的重要措施之一。
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。
Due to the rapidly growing requirement for high-pressure heave-wall pipeline installation, mechanized GMAW process is a key technology for increase welding productivity.
由于高压厚壁油气长输管线建设的迫切需求，采用自动GMAW焊是提高管线建设生产率的关键。
This article summaries costruction performance of the oil transmission pipeline engineering. It also introduces new technology and process in welding process and anti - corrosion structure, etc.
本文归纳了该管道工程的施工特点，并介绍了在焊接工艺、防腐结构等方面采用的新技术、新工艺。
This article summaries costruction performance of the oil transmission pipeline engineering. It also introduces new technology and process in welding process and anti - corrosion structure, etc.
本文归纳了该管道工程的施工特点，并介绍了在焊接工艺、防腐结构等方面采用的新技术、新工艺。
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