Overview on the standard of"Seamless steel tubes for high pressure boiler"(GB/T 5310-2023)
Briefed in the essay is the background concerning the revision that brought about the new edition of GB/T 5310-2023 Seamless Steel Tubes and Pipes for High Pressure Boiler.The analysis focuses on the major technical contents as revised,and a comparison between the major technical indicators of related applicable Chinese and foreign standards.Accordingly suggestions for implementation of the new edition standard are proposed,which has guiding significance for enterprises to implement the standard.Based on the analysis,it is regarded that the main aspects of the new edition GB/T 5310 are equal to those of the advanced correspondent foreign standards,including application scope,steel pipe dimensional deviation,steel chemical composition,steel pipe mechanical property.Whereas speaking of inspection items and technical target requirements,including non-destructive testing,low magnification,non-metallic inclusions,microstructure,grain size and decarburization layer requirements etc.,the newly-edited GB/T 5310-2023 specifies more inspection items than its advanced foreign counterparts,and part of the technical targets are also stricter than those as specified by the latter.
high pressure boilerseamless steel tubestandardsummary
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