您要查找的是不是：
- butt welded pipe 对接焊管,平焊接管,对缝焊管
- 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;
- 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
- 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。
- 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 welding pipe 管道对接焊
- Faultily welded piping is apt to come apart. 管子焊得不好，容易脱节。
- 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。
- The butt weld is easier to inspect nondestructively than the fillet welds. 对接焊缝比角接焊缝更容易进行无破坏检查。
- Turbulence, erosion and pressure drop are minimized.Flanged End-Crane cast steel gate valves are available in flanged end and butt weld ends. 所有阀盖构件都是铸件，并且按照严格的一致的公差标准进行抛光，使得阀体与阀杆能够准确校准，密封更加容易。
- Body: Strong construction assures maximum safety over the recommended pressure and temperature range. Both flange and butt weld ends are available. 阀体：坚固耐用的结构，确保在相应的压力温度等级范围内的安全性。可提供法兰和对焊两种连接方式。
- On basis of elastic bend theory,it give out calculation formula of welded pipe HME forming core roller torque. 基于弹塑性弯曲工程理论,给出了焊管连续扭转(HME)成型芯辊直径的理论计算公式。
- The executive mechanism of Cu-Al pipe butt welder,based on above,was designed,including its air system and mating clamper. 在分析了铜铝管焊接工艺过程的基础上,重点论述了铜铝管对焊机执行系统和控制系统的设计。
- The flying sawing machine is one of the key units of the straight welded pipe production line. 飞锯是直缝焊管生产线上的关键设备之一。
- It's provided to mill the two ends of the welded pipe and chamfer the inner and outer edges. 它用于铣削焊管两端并倒内外棱角。
- This article introduced the experiment of residual stress in flat tubeplate head of large scale fuel boiler that was manufactured by cold rotary extruding and butt weld. 本文介绍了大型燃油锅炉经拼板焊接和冷旋压加工制造而成的平管板封头残余应力试验。
- Briefed in the paper are the invention and development history of the ERW straight welded pipe forming mill. 简要介绍了ERW直缝焊管成型装置的产生和发展历程。
- 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。
