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对 1台球形储罐焊缝进行RT检测时 ,发现两处按常规未检测出的沿焊缝厚度方向快要穿透的裂纹 ,从而引发了对RT检测方法和球罐用材料的讨论 ,提出了对检测方法和球罐用材料的几点建议
RT testing of a spherical tank weld revealed two cracks that were not detected conventionally to penetrate along the thickness of the weld and led to a discussion of the RT detection method and the material for the spherical tank, Some Suggestions on Testing Methods and Materials for Spherical Tanks