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- butt welding pipe 管道对接焊
- butt weld pipe mill 直缝焊管轧机
- Keywords welding residual stress;girth butt welded pipe;stress corrosion cracking; 焊接残余应力;对接环焊管道;应力腐蚀开裂;
- Fractured 1Cr18Ni9Ti butt welding flange was analysed by OM, SEM and EDX. 用光学显微镜、扫描电镜和能谱仪分析了 1 Cr1 8Ni9Ti对接焊法兰盘断裂原因。
- Statuses of CO2Laser-MIG Hybrid Butt Welding with Various Parameters[J]. 引用该论文 双元卿;王康健;陈武柱;单际国;张永强.
- This new method not noly prevents the shortcomings in the past, three or four cold tack-weld spots and complex operation, but can effectively improve the quality of the steel pipe butt welding and simplify the operation process. 该方法克服了以往三点点固和四点点固法冷焊点多,操作复杂的缺点,有效地提高了钢管对焊质量,大大减化了操作过程。
- Some crack extension probably developed from the unfused section of the butt weld across the thickness of the stiffener during transport and erection. 有些裂纹可能在运输和安装过程中就从加劲肋对接焊未熔透处开始发展。
- butt welded pipe 对接焊管,平焊接管,对缝焊管
- Weld-shape( butt weld width, size of fillet weld) is an indicator of weld features and it also is an important factor of quality welding. 焊缝尺寸(对接焊缝的焊缝宽度、角焊缝的焊角尺寸等)表示焊缝形状特征的指标,是影响焊缝质量的重要因素之一。
- This indicated that the fracture had initiated at the unfused butt weld in the longitudinal stiffener. 研究表明裂纹是从纵向加劲助未熔透的对接焊缝中起始的。
- Body ? streamlined flow path minimizes pressure drop. Butt weld, venturi or flanged ends provide piping alternatives. 阀体?流线形流道,最大限度减少压降。对焊、缩喉管或法兰连接端口几种可供选择的连接方式。
- Valves are available in both flanged and butt welding ends.All conform to ASME specifications. 这些阀门都可配置法兰连接端口和对焊连接端口,都符合ASME标准。
- The flash butt welding parameters of axisymmetric 45 steel were determined utilizing the orthogonal test. 摘要利用正交试验法确定了45钢的闪光对焊轴对称件焊接工艺。
- In view of the girth welding of ERW welding pipe, some welding procedures are designed. 针对ERW焊管的环焊缝焊接,设计了主线路焊接、连头焊、返修焊接工艺,并依据SY/T4103-1995进行了包括无损探伤和破环性力学性能试验等焊接工艺评定实验。
- Butt welded and seamless pipe fitting Products: elbow,tee,nipple,stub end, MAIN TECHNICAL PARAMETE... 发布者:梁海龙所在地:浙江温州市行业:建筑、建材职位:业务主管工作年限:二年以上
- The formula is applied to the prebending design of large diameter weld pipe produced by UOE. 预弯边机是大直径直缝埋弧焊管生产线的关键设备之一。
- In the production of H.F. butt spiral welded pipe, the vertical roll extruding installation with fixed position are changed into horizontal roll installation with fixed pressure. 在高频对接螺旋焊管试验生产中,将恒位置立辊挤压装置改为恒压力平辊装置,对两种装置的摩擦参数进行了分析比较。
- Looking for maker who can supply high quality of carbon steel and stainless steel butt welding fitting per ansi standard. 我们正在寻找可以提供高品质铅钢和不锈钢焊接设备的供应商.
- In the process of DC upset butt welding, the joint quality was strongly effected by the temperature distribution in the direction of the plate width. 板材直流电阻对焊过程中,对接端面沿板宽方向的温度分布对焊接接头的质量有很大的影响。
- Based on the technology of edge detection by wavelet transform,a new method of detecting seam of welding pipe using Gauss wavelet is proposed. 在小波边沿检测技术的基础上 ,提出了一种基于Gauss小波的焊缝检测的新技术。
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