焊接钢管也称焊管，是用钢板或带钢经过卷曲成型后焊接制成的钢管，一般定尺6米。焊接钢管生产工艺简单，生产效率高，品种规格多，设备投资少，但一般强度低于无缝钢管。
螺旋焊管 SSAW ; helical weld pipe ; [机] spiral welded pipe ; spiral welded tube
焊管机 pipe welding machine ; welding mill ; pipe welder ; tube welding machine
高频直缝焊管 ERW ; HFW
对缝焊管 butt-welded tube ; butt welded pipe
直缝埋弧焊管 LSAW ; SAWL
直缝焊管 ERW ; Longitudinally welded pipes
电焊管 electric welded pipe ; electrically welded tube ; welded tube
镀锌焊管 Galvanized Welded Pipe
螺旋埋弧焊管 SSAW ; spiral submerged arc welded pipes ; Spiral Submerged Welded Pipe
Mechanical expanding processing and corresponding equipments are keytechnologies to build production line of straight-seam welded pipe with largediameter.
机械扩径工艺及其装备是建设大直径直缝焊管生产线的关键技术之一。
参考来源 - 机械扩径过程的数值模拟与工艺参数优化Electric Resistance Welding tube, sometimes the welded joint can engender the bled,dregs, unwelded together,flaw etc. defect in actual welding processing. These defect can cause the welding tube quality depression and risk increases.
ERW(高频电阻焊管)在实际的焊接过程中,其焊缝的熔合线处有时会产生气泡、夹渣、未焊合、弱结合、裂纹等焊接缺陷,而部分焊管内、外壁的焊接热影响区也会产生纵向分布的微裂纹,这些缺陷的存在会使焊管的质量大大的降低,其使用危险性增加,因此对焊管焊缝缺陷的有效检测具有重要的现实意义。
参考来源 - ERW焊缝超声波检测系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
焊管缺陷的自动检测是保证钢管产品质量的重要环节。
The automatic flaw detection of welded tubes is one of the most important steps to ensure the quality of the tubes.
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.
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。
Such production will not only maximize use of capability of existing weld pipe manufacturing equipment, but also bring about economic benefits for the producers.
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