piped seam是什么意思

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The article summarized the research and development situation of HSL450S submarine seamless line pipe,described the design methods of micro-alloy steel grade,included the difficult point during the production control process,introduced the production technology process and establishment of heat treatment technology,and proposed the ideas of next improvement step.

总结了X60钢级海底无缝管线管的研发工作,阐述了微合金化钢种的设计方法,归纳了生产控制过程中的难点,介绍了生产工艺流程和热处理工艺的制定,提出了进一步改进的观点。

Effect of Alloy Elements on Weld Structure and Properties of X100 Grade Pipeline Steel

合金元素对X100级管线钢焊缝组织和性能的影响

Research on SAW Weld Toughness Fluctuation of X80 Grade Pipeline Steel

X80级管线钢埋弧焊焊缝韧性波动研究

High Strength Matching Study on Circumferential Weld of High Grade Line Pipe

高钢级管线钢管环焊缝高强匹配研究

Research on Weld Toughness of X80 Heavy Section Pipeline Steel at Different Welding Speeds

X80厚壁管线钢不同焊接速度下焊缝韧性研究

Reserch on the Welding Techniques and Joint Performance of the X80 Pipeline Steel;

X80管线钢环缝焊接工艺及接头性能研究

Study and Development of On-Line Detection and Tracking System of Seam in Helix Welded Pipe;

螺旋钢管焊缝在线检测及跟踪系统的开发研究

Failure Analysis on the Cracked Weld Joint of Stainless Steel Used in Hydrocracker

加氢裂化装置不锈钢管线焊缝开裂失效分析

Comparison among Radiographic Inspection and Acceptance Standards for Butt Welds in City Gas Steel Pipes

城镇燃气钢管对接焊缝射线检测验收标准比较

Ceramic Cushion of Steel Pipe Weld Aided Device and Its Welding Procedure

钢管焊缝陶瓷垫补焊装置及焊接工艺

Longitudinal electric resistance welded steel tubes

GB/T13793-1992直缝电焊钢管

Research on Weld Roller Machine of New Type on-line Automatic Stainless Argon Arc Welding

新型在线全自动不锈钢氩弧焊管焊缝辊轧机的研制

Research on Second Phase Particles in CGHAZ and Weld of Micro Alloyed Pipeline Steel

微合金管线钢焊接粗晶热影响区及焊缝的第二相粒子分析

The Comparision and Analysis Between Native and Australian Standards for Imperfections Determined by Radiographic Examination in Spiral Submerged Arc-Welded Steel Pipe Piles

中/澳钢管桩埋弧焊螺旋焊缝射线检测验收标准比较

R&D of Φ1219 mm X80 LSAW Linepipe for No.2 West-East Gas Transmission Pipeline Project

西气东输二线管道工程用X80钢级Φ1219mm直缝埋弧焊管的研发

Methods for radiographic inspection and quality classification of welded girth butt joints in oil and gas steel pipelines

石油天然气钢质管道对接焊缝射线照相及质量分级

Methods of radiographic inspection and quality classification of circumferential fusion welded butt joints in steel pipes and tubes

GB/T12605-1990钢管环缝熔化焊对接接头射线透照工艺和质量分级

Effect of Prestrain on Tensile Properties for X80 Grade Spiral Submerged-arc Welding Steel Pipe

预应变对X80级螺旋缝埋弧焊接管线钢拉伸性能的影响

Researching on the Methods of Automatic Cutting Out Welding Bead of Pipelines

钢管焊缝图像自动剪裁方法的研究