Proportion of non-destructive testing for pressure pipelines
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Which standard should I refer to in order to find out the proportion of non-destructive testing required for pressure pipelines? I’m sorry for asking such a naive question – I’m not involved in pipeline work. Please help me if you know the answer
GB50235; GB50184; SH3501, etc
The design documents provide detailed ratios (usually a pipeline list); this is generally included. If the design does not provide such information, then it is necessary to refer to the acceptance standards applicable to the project in question.
Regarding the proportion of non-destructive testing for pressure pipelines, you may follow the provisions on non-destructive testing of welded joints in section 6.3 of \"GB/T 20801.5-2006 Code for Pressure Piping – Industrial Piping – Inspection and Testing\". For your reference
The best advice is to include it in the design documents; if the design firm fails to provide it, the client can request that the proportions be specified in the pipe naming table
In fact, design institutes also fill in the information in accordance with the standards GB/T20801, as well as GB50235\GB50184\SH2501; this information is generally included in the pipeline naming table.