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为节约钢材,本文对焊接质量不合格的民用液化石油气钢瓶提出了一套较好的修复工艺及程序。在大量检验与修复工作的基础上,笔者建议,民用液化石油气钢瓶的制造探伤率应由0.6％提高到20％。
In order to save the steel, this paper puts forward a set of better repair process and procedure for civil liquefied petroleum gas cylinders with unqualified welding quality. In a large number of inspection and repair work on the basis of the author’s suggestion, manufacture of civilian liquefied petroleum gas cylinder flaw detection rate should be increased from 0.6% to 20%.