The results shows that the corrosion is an ideal austenite crystal boundary corrosion for pipe line steel. The accuracy of adopted determination method is high.
结果表明，此浸蚀剂是管线钢一种理想的奥氏体晶界浸蚀剂，所采用的测定方法的精确度较高。
This paper describes a design method of PC control system for automation line of steel pipe binding in practice.
本文通过钢管捆扎自动线的工程实践，叙述了PC控制系统的设计方法。
To introduce the process of wire drawing process, chemical Cu-plating process and formulation of top grade submerged-arc welding wire for pipe line steel.
介绍管线钢用高等级埋弧焊丝拉丝工艺、化学镀铜工艺及配方。
Most of the steel for line pipe is made by open-hearth, electric furnace, and basic-oxygen processes.
大部分建管道用管子的钢材由平炉、电炉和碱性顶吹转炉生产。
Use: as a single coat anticorrosive FBE coat for exterior steel pipe line for transportation of oil and gas, water and other finished products.
应用领域：主要应用于各种输油、输气、输水等钢质管道的外壁防腐。
The chemical composition, mechanic property, weldability and corrosion resistance of argon arc welding wire for low carbon steel pipe line are contrasted and analyzed.
对低碳钢管线用的氩弧焊丝的化学成分、机械性能、可焊性能、耐腐蚀性能进行对比分析，为合理选用焊丝提供了依据。
The X grace steel sheet is used as main material for SAW straight weld pipes for pipe line purpose.
X级管线钢板材是生产直缝埋弧焊管的主要原材料。
A new on line measuring system for the linearity of steel pipe with large diameter is invented with the technology of visual inspection.
本文研制了基于视觉检测技术的大直径钢管直线度在线测量系统。
The grade X65 pipeline steel used for LSAW submarine line pipe has been developed at Baosteel, which is produced by hot continuum rolling processing.
宝钢开发以热连轧方式生产用于制造直缝埋弧焊管的海底管线用x 65级管线钢板，其产品具有高强度、高韧性和良好的焊接性等综合性能。
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.
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。
S450 hot rolled strips for line pipe is researched and developed through the technology microalloying, ASP and the processes of controlled rolling and controlled cooling in Jinan Iron and Steel co.
利用微合金化技术及ASP连铸连轧工艺和控轧控冷工艺，济钢自主研发了S450热轧管线钢带产品。
S450 hot rolled strips for line pipe is researched and developed through the technology microalloying, ASP and the processes of controlled rolling and controlled cooling in Jinan Iron and Steel co.
利用微合金化技术及ASP连铸连轧工艺和控轧控冷工艺，济钢自主研发了S450热轧管线钢带产品。
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