The experimental results and application effects of weld toughness of spirally submerged arcweldedpipe are introduced.
本文介绍了埋弧焊钢管焊缝韧性试验研究的结果及工业生产应用效果。
2
Inside welding seam cracking of spiral submerged Arcweldedpipe is the unsolved problem for many years in the pipe field.
螺旋埋弧焊钢管内焊缝裂纹是本行业多年未解决的问题。
3
It will produce magnetic field due to affection by direct current welding power supply during the welding of spiral submerged arcweldedpipe. It will still remain residual magnetic.