Question: What standards apply to the weld heights of pressure pipeline welds, as well as those of the inner and outer wall welds?
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Question: What standards apply to the weld heights of pressure pipeline welds, as well as those of the inner and outer wall welds?
For the welds of pressure pipelines, the weld bead heights on the inner and outer walls must comply with relevant standards. The commonly used standards in China at present are the \"Code for Design of Steel Pressure Piping\" (GB 50316) and the \"Welding Procedure Specifications for Steel Piping\" (GB/T 12470). Among them, GB/T 12470 specifies the requirements for the weld excess heights on the inner and outer walls during welding, in order to ensure that the welding quality meets the specified standards. At the same time, when performing welding work, it is also necessary to conduct appropriate evaluations and controls based on the specific material of the pipeline and the operating environment. .
It is also included in GB/T 20801