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选择了国内外相关的长输管道对接焊缝缺陷检测验收标准,对其中关于焊接缺陷的形状及尺寸要求进行了对比分析,探讨了各标准的共性与特点。并尝试对各种缺陷的安全与保守性进行讨论。
The domestic and international related standards for testing and accepting the defects of butt welds in long-distance pipelines were selected. The shape and size requirements of the welding defects were compared and the commonalities and characteristics of the standards were discussed. And try to discuss the safety and conservation of various defects.