在本研究中,通过对690MPa级耐蚀耐火钢埋弧焊焊接接头无损检测,外观检验结果无裂纹,未熔合、未焊满、气孔、夹渣等缺陷,X射线探伤结果BI级,整体结论,试验结果合格。
n this study, through non-destructive testing of submerged arc welded joints of 690MPa corrosion-resistant and fire-resistant steel, the appearance inspection results showed no cracks, unfused, under-welded, pores, slag inclusions and other defects. X-ray inspection results were Class BI, and the overall conclusion , The test result is qualified.