General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB 50468-2008
Scope
This specification applies to the process design of new construction, reconstruction and expansion of high-frequency longitudinal welded pipes, longitudinal submerged arc welded pipes, spiral submerged arc welded pipes, and industrial stainless steel welded pipe units.
GB 50468-2008 history
2008GB 50468-2008 Code for design of welded-pipe process