在本研究中,通过对690MPa级耐蚀耐火钢气保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。
In this study, through non-destructive testing of 690MPa grade corrosion-resistant and fire-resistant steel gas shielded welded joints, the appearance inspection results show no cracks, unfused, under-welded, pores, slag inclusions and other defects. X-ray inspection results are BI level, and the overall conclusion , The test result is qualified.