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See Chinese contents: GB/T 16507.6-2022 GB/T 16507.6-2022: Water-tube boilers - Part 6: Inspection, testing and acceptance
This document specifies the material inspection, product size, forming process and appearance inspection of welded joints, ball inspection, spectral inspection, non-destructive testing, mechanical performance inspection of product welded joints, hydraulic test, inspection documents, exit-factory information, metal nameplates and marking requirements for pressure elements of water-tube boilers and non-pressure elements directly connected to the load. This document is applicable to the inspection, test and acceptance of the pressure elements of water-tube boilers defined in GB/T 16507.1 and the non-pressure elements directly connected to them.
