The X grace steel sheet is used as main material for SAW straight weld pipes for pipe line purpose.
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6. 简要介绍了高频直缝焊管内毛刺的形成和清除方法。
Briefed in the article are the inner burr formation of and the burring method for the hi-frequency straight welded tube.
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7. 碳钢、合金钢、不锈钢无缝、直缝或螺旋焊缝钢管。
Carbon Steel, Alloy Steel and Stainless Steel of Seamless, Straight or Spiral Welded Pipes.
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8. 简述了采用热轧卷板制造直缝埋弧焊接钢管的全过程。
This article describes the whole process of JCOE longitudinal submerged arc welding pipe made from rolling plate.
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9. 介绍了直缝薄壁辊式成型的机理，并对其进行理论分析。
The paper makes an introduction to the shape rolling mechanism on welding pipes with the thin wall and straight seam, with an associated and theoretical analysis presented as well.
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10. 套是高频直缝焊管生产线和冷弯型钢生产线中的储料装置。
The accumulator is a strip storing unit in the longitudinally welded pipe and formed section production.
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11. 采用卷板制造直缝埋弧焊接钢管，在国内甚至世界上尚属首次。
It was the first time that to make the longitudinal submerged arc welding pipe by rolling plate in our country or even in the world.
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12. 目前，国内带有立辊组的直缝焊管成型机大都采用双半径孔型。
The double radius hole type was commonly adopted for the forming machine of straight weld pipe with vertical roller in domestic present.
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13. 它是现代高频直缝焊管生产线和冷弯型钢生产线的主要设备之一。
It's one of the main machines in the modern pipe mill line and formed section line.
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14. 对我国有关单位今后研究、生产、使用直缝焊接套管有参考作用。
It has reference role to the researches, manufacture and the usage of straight welded casing in our nation.
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15. 介绍了一种快速分析高频直缝焊管焊接质量的方法——酸洗试验。
The rapid analysis method of welding quality, acid washing test, for the longitudinally high frequency welded pipe is introduced.
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16. 用切块法实测了某大口径X70双面直缝埋弧焊管内的残余应力。
The residual stress in a heavy caliber X70 double-surface straight-seam submerged arc tube was measured using the piece-cutting method.
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17. 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。
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.
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18. 同级扬压力作用下，带键槽底板块的应力大于直缝底板块的应力；
The stress in floor plate with keyway are more than it with straight seam under the same level of uplift pressure.
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19. 在高频直缝焊管生产过程中，焊接温度是影响焊缝质量的首要因素。
Welding temperature is the most important factor which influences the quality of the welded seam in the process of producing ERW pipe.
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20. 为满足市场对复合管的需求，对于我国直缝焊管机组改造有借鉴作用。
Furthermore, to meet the needs from market, it is helpful to reconstruct the existing longitudinally welded tubing mill in our country.
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21. 直缝埋弧焊管焊后残余应力是导致焊管应力腐蚀裂纹产生的主要原因。
Residual stress of longitudinal submerged arc welded pipe after welding is the major reason caused welded pipe stress corrosion crack, its stress level directly decide pipeline safety in service.
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22. 全位置焊接爬行器配用柔性的钢带轨道可实现空间位置的环缝和直缝焊接。
The circumferential welding and the straight seam welding at all position can be realizable by using welding crawl equipment for all position together with the flexible metal band track.
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23. 在板料单次折弯成形理论的基础上，建立了直缝管筒逐步折弯成形的数学模型。
Basing on the theory of single forming, the mathematical model of progressive forming of open-seam pipes is established.
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24. 摘要全位置焊接爬行器配用柔性的钢带轨道可实现空间位置的环缝和直缝焊接。
Absreact the circumferential welding and the straight seam welding at all position can be realizable by using welding crawl equipment for all position together with the flexible metal band track.
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25. 在现代的直缝焊管生产中，轧辊与管坯间的接触压力分布是一个非常重要的参数。
During the modern longitudinal seam welded pipe production, the contacting pressure distribution between the roller and pipe is a very important parameter.
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26. 从理论和实践方面论证了成组技术在高频直缝焊管生产中应用的必然性、可行性。
The inevitability and feasibility of application of the grouping technique to production bf hi-frequency welded tubes are discussed from both theoretic and practical point of views.
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27. 从设计规范与管材选用方面对电阻焊碳钢直缝钢管（ ERW）的特点进行了分析。
The features of electric resistance welded(ERW) carbon steel pipe are analyzed from the viewpoint of design code and material selection.
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28. 直缝埋弧焊管是长距离输送石油、天然气的主要管线产品，钢管由厚钢板压制成形。
LSAW pipes, made by thick steel plates through compacting, are main pipeline products for long-distance transportation of oil, natural gas.
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29. 在大量生产实践的基础上分析了影响ERW直缝电阻焊钢管焊缝冲击韧性的各种因素。
The article analyzes that all factors effect impacting toughness of welded seam of ERW pipe on the basis of mass produce and practice.
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30. 在大量生产实践的基础上分析了影响ERW直缝电阻焊钢管焊缝冲击韧性的各种因素。
The article analyzes that all factors effect impacting toughness of welded seam of ERW pipe on the basis of mass produce and practice.
