Analyses the cause for the crack resulting from the non-fusion in the longitudinal weld seam of a power plant boiler cylinder, and suggests corrective actions to eliminate the defect.
针对一台电站锅炉锅筒纵焊缝未融合引起的裂纹进行分析,并提出缺陷修复的办法。
The welding of high pressure boiler longitudinal weld shall be electric slag welding which may be replaced by improved auto-submerged arc welding when have no electric slag welding.