Finite element simulation of large diameter straight-weld pipe forming;
简要介绍了俄罗斯目前对大直径焊管的需求及生产现状。
Accordingly, countermeasures are proposed to improve the apparent quality of the weld pipe.
提出了有效改善焊管表面质量的措施。
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。
The paper briefly describes the design features of the outer-bur scraping system for hi-frequency weld pipe.
简介了改进的高频焊管外毛刺刮削机构的设计特点。
The surface quality of the spiral weld pipe is as so critical a quality assurance element as its interior quality.
螺旋焊管的表面质量与其内在质量同样是焊管质量的重要保证因素。
The double radius hole type was commonly adopted for the forming machine of straight weld pipe with vertical roller in domestic present.
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。
Inner flat mirror face of stainless steel weld pipe of Hongyun is famous for precise size, property, surface sanitation and high precision.
“鸿运”不锈钢内整平镜面焊管以尺寸精良、性能、表面卫生精度高而著称。
For Henan Provincial Art Centre, both the art wall and the structural steel roof adopt a structural system of the penetrated weld pipe truss.
河南艺术中心艺术墙与屋面钢结构均采用钢管相贯桁架结构体系。
In the production of spiral weld pipe, the quality of the online automatic submerged arc welding is of significant importance to the final steel pipe product.
在螺旋焊管的生产过程中，在线埋弧自动焊的焊接质量对最终钢管产品的质量具有十分重要意义。
Such production will not only maximize use of capability of existing weld pipe manufacturing equipment, but also bring about economic benefits for the producers.
这样既可以充分发挥焊管生产设备的潜力，又可以提高企业的经济效益。
The theatre steel roof of Henan Provincial Art Centre is a complex structural system, comprised of the in-plane penetrated weld pipe truss and three reinforced concrete elements underneath.
河南艺术中心大剧院是屋盖为平面钢管相贯桁架、下部由三个钢筋混凝土结构单元组成的复杂结构体系。
The article discusses and finds the Auster grain growing rules and relations of structure and properties of X70 steel in weld pipe and pipe accessories under the different heating temperature.
研究了一种适用于管道钢管和管件制造的X70级管线钢在不同加热温度下的奥氏体晶粒长大规律和组织-性能间的关系。
The discussion involves such aspects as the cause of strip folding occurring in butt-welding process of spiral weld pipe, negative influence by such failure on pipe quality and preventive actions.
介绍了螺旋焊管生产中对头焊带钢的硬弯现象发生原因，对钢管质量的危害及防止措施。
Unless otherwise specified, all Pacific valves will be supplied with butt weld ends conforming to ANSI B16.25 either Fig. 2(b) or 3(b) depending on the nominal pipe wall thickness of the valve wall.
除非另外指定，所有美国太平洋阀门都配置符合ANSI B16.25标准的对焊连接端口，并根据阀门壁厚和管道壁厚确定是属于型号2（b）或3（b）。
In the case of welded tube and pipe, test heads can be provided for manual or automated weld following.
碰到焊接管材时，这些探头可手动焊接或者自动焊接。
Contact mark. Intermittent marks adjacent to the weld line resulting from the electrical contact between the electrodes supplying the welding current and the pipe surface.
触点痕。由于供焊接电流的电极与管子表面间的电接触，致使在焊缝线附近产生不连续痕迹。
In this case, testing of the weld area of the finished pipe is not required.
在这种情况下，成品管道焊接区域的焊接试验并不是必需的。
If a weld or the pipe itself is faulty, it must be replaced or repaired.
若焊缝或管子本身不合格，必须更换管子或修理。
But with the same length of straight seam pipe than the weld length of 30 ~ 100%, and lower production rate.
但是与相同长度的直缝管相比，焊缝长度增加30 ~ 100%，而且生产速度较低。
The edge condition of strip steel is the main factors affect pipe forming and weld quality.
钢带的边缘状况是影响焊管成型和焊接质量的主要因素。
Hot cracks commonly occurred in inside weld as the forming process of SSAW pipe.
螺旋埋弧焊管在成型过程中容易产生内焊热裂纹。
Experiments showed that ultrasonic testing method was suitable for the weld quality testing of PE pipe.
试验表明，超声检测方法适用于PE管热熔焊缝的焊接质量检测。
Flux-cored wire is applied to the austenitic stainless steel pipe by back weld, MAG for the filling and cosmetic weld, at horizontal fixed round welding vertically up.
采用药芯焊丝对奥氏体不锈钢管道进行打底焊接，MAG焊填充及盖面焊，立向上的水平固定全位置焊接。
The paper detailedly introduces application technique and tool set-up mould of lincoln weld in steel reel pipe welding.
详尽介绍了埋弧自动焊在钢卷管焊接上的应用技术及工装胎具装置。
In this paper the HAZ weld thermal cycles of the welding by both sides submerged arc welded steel pipe were reproduced by the dislocation overlap weld method.
采用焊道错位叠加方法，再现了螺旋管双面埋弧焊制管过程中内、外焊焊接热影响区(HAZ)的焊接热循环。
The high frequency welded pipe production is the fastest and the most efficiency way to produce pipe, but it also produces varies kinds of weld defects.
高频焊接制管是最快和最有效的制管方法，但高频焊接制管会产生各种各样的焊接缺陷。
The periodic in-service inspection of Section IX of the Boiler Code includes weld repairs in cast metal, and pipe welds.
根据锅炉法典第ix节的要求，在使用过程中需要定期进行检查的内容包括，逐渐金属的焊缝，管道焊缝。
On the outer surface of the pipe, the axial residual stresses of the weld and in its vicinity are compressive while the hoop stresses keep tensile.
在管道接头外表面焊缝中心处的轴向残余应力为压应力，而环向残余应力为拉应力。
On the outer surface of the pipe, the axial residual stresses of the weld and in its vicinity are compressive while the hoop stresses keep tensile.
在管道接头外表面焊缝中心处的轴向残余应力为压应力，而环向残余应力为拉应力。
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