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对厚壁集箱环缝进行了窄间隙埋弧焊,并对其接头的力学性能和无损检验结果进行了分析,对窄间隙埋弧焊在厚壁集箱等压力容器环逢焊接上的应用提出了一套切实可行的焊接工艺方案,试验结果完全满足相关标准要求。
The narrow gap submerged arc welding was carried out on the thick-walled header girth and the mechanical properties and non-destructive test results of the joints were analyzed. The application of narrow gap submerged arc welding to the welding of pressure vessels such as thick- Put forward a set of practical welding process scheme, the test results fully meet the relevant standards.