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；
With joint protections of coating and cathode, the buried steel pipeline will still be corroded and penetraded on some pipe surfaces.
埋地钢质管道在防腐层、阴极防腐的共同保护下，钢管的某些区域仍会被腐蚀穿孔。
The service conditions of the international high-pressure natural gas transmission pipeline, pipeline steel and welded pipe at present are introduced.
介绍了现代国际上高压输送天然气管道，管线钢及焊管的使用情况。
A steel branch pipe is a common constitution in pipeline engineering.
钢岔管是管道工程中常见的结构。
The technical condition of steel used in high-pressure natural gas transmission pipeline and the productive technique and feature of the welded pipe used in the pipeline is discussed.
对国外高压输送天然气管线用钢的技术条件，管线用焊管的生产工艺和生产特点作了论述。
The deformability and relevant property indexes of pipeline steel and delivery pipe have been summarized in this paper.
综述了管线钢及输送管的变形能力及相关指标。
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。
This article describes the marketing opportunity and challenge facing our steel pipeline industry which is resulted from natural-gas and imported steel pipe.
本文叙述了我国管道业面临的市场机遇和受到天然气价格等因素的制约以及进口钢管的挑战。
The author holds that the mode of assurance by strength shall be used in pipeline construction, with steel pipe distributed on the basis of location classes rather than transmission pressures.
建议在管道建设中采用强度安全保证模式，按地区等级分配钢管而不按管输压力高低分配钢管。
For the natural gas transmission pipeline, the special steel pipe that can resist hydrogen cracking should be developed.
对于天然气输送管道，需研制抗氢致裂纹的专用管线钢管；
The pipeline steel is mainly used in transmission pipe of oil and natural gas.
管线钢主要用于石油和天然气的输送。
The article discusses the advantages of inner coating of gas pipeline, and introduces the characteristics and application of the steel pipe with organic coating.
论述了管道内涂层的优越性，介绍了有机涂层钢管的特性及应用。
Germany RBT import external thread needle valve can be equipped with stainless steel welded pipe, and pipeline butt welding connection, but also through the outer nut removing the valve.
品牌：进口外螺纹针型阀可配带不锈钢焊接管，能与管道直接对焊连接，也可通过外螺母拆卸阀门。
According to the domestic pipeline construction demand to the pipe, it is proposed to import a longitudinal seam SAW steel pipe mill as early as possible.
根据国内管道建设的需要，建议尽早引进一条直缝埋弧焊管机组。
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。
Shanghai Joint Zest Machine Equipment Co Ltd is an enterprise which engages produce and sale of stainless steel pipeline and pipe casting.
上海久作机械设备有限公司是一家从事于不锈钢管道管件生产销售的企业。
Shanghai Joint Zest Machine Equipment Co Ltd is an enterprise which engages produce and sale of stainless steel pipeline and pipe casting.
上海久作机械设备有限公司是一家从事于不锈钢管道管件生产销售的企业。
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