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- Circumferential Welds : All pipe sizes: Every 30th weld completed or every 15M of weld joint, whichever is most frequent. 环焊缝：所有管道尺寸：每完成第30条焊缝或每15米焊接接头，取最常出现的。
- circumferential weld joint 环形焊缝
- circumferential welding joint 环焊接头
- Longitudinal and circumferential weld seams are PL inspected for class150#, for other classes will be inspected with X-Rays and/ or US. %23 过滤器之纵向和周围焊接缝是染色探伤检查，其它将以X-射线和/或超音波检查。
- Longitudinal and circumferential weld seams are PL inspected for class 150#, for other classes will be inspected with X-Rays and/or US. 过滤器之纵向和周围焊接缝是染色探伤检查，其它将以X-射线和/或超音波检查。
- Angle beam immersion focus ultrasonic C-scan was applied to test an electron beam circumferential weld with complex construction. 针对复杂结构的电子束环焊缝的检测问题,提出斜入射水浸聚焦超声C扫描成像的检测方法。
- 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. 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 effect of the structure of Austenite zone on the performance of gray iron welding joint is studied by means of thermo-simulated test in this paper. 摘要采用热模拟试验方法探讨了灰口铸铁焊接接头热影响区的奥氏体区组织对接头性能的影响。
- The 1Cr17 stainless steel pipe and Q235 steel pipe welding belongs to the heterogeneous steel welding,the weld joint easy to have the crack flaw. 1Cr17不锈钢管与Q235钢管的焊接属于异种钢焊接,焊接接头容易出现裂纹缺陷。
- Microporosity in thermite weld joint consiste of blow hole and shrinkage cavities. 氧或硅含量过高形成氧化物或硅酸盐;
- The welding quality is ensured by using backstep welding in longitudinal welds of the shell and by using submerged arc welding in the circumferential welds of the shell. 为保证焊接质量,在筒体纵缝焊接采用了分段退焊工艺及在筒体横缝焊接采用了埋弧自动焊工艺,并制定了合理的焊接、无损检测、热处理质量控制工艺。
- Mainly used in coating the weld joint of buried steel pipeline and insulated pipeline. 主要用于埋地钢质管道现场焊接补口和保温管线现场补口；
- The distribution of residual stress of weld joints is analyzed. 并分析了焊接接头残余应力的分布规律。
- Welding,the increase of plasma current influence more on behavior of bead penetration than weld joint width when using Coaxial Plasma-MIG welding. 焊接过程中,焊丝与母材在高温时熔敷共同形成焊缝中过渡;
- The corrosion behavior of austenite stainless steel weld joint in the different acidic medium was studied. 研究了奥氏体不锈钢焊接接头在不同酸性介质中的腐蚀行为。
- preparatory circumferential welding seam 预留环缝
- The early losing effectiveness causes of the superheater pipe welding joint were investigated and analysed. 针对某电厂异种钢焊接接头高温早期失效的过热器管件进行了调查研究和失效分析。
- The dynamic change of the molten pool influences the quality of welding joint directly in TIG. TIG焊接过程中,熔池的动态变化直接影响焊接质量。
- Hence the external electric field harmonizes the plastic deformation in the weld zone, and improves the plasticity of the friction welding joint. 因而, 合适的静电场可以加强摩擦焊接过程中晶界运动在协调焊合区金属塑性变形方面的作用, 提高焊接接头的塑性。
- In CO2 gas metal arc welding, the difficulty hi seam tracking by pendular arc sensor is how to attain the tolerance signal of weld joint. 在CO_2气体保护焊中，采用摆动电弧传感器进行焊缝跟踪的困难在于如何提取准确的焊缝偏差信号。
