2006•Welded Pipe and TubeRequires access
Determine of Pipe Hydrostatic Pressure Value Under Ends Sealing
BI Zongyu
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Abstract
The main reason of transforming occurred under ends sealing for hydrostatic testing of spiral submerged arc welded pipe is analyzed from mechanical properties and material way.The principle of determining hydrostic value is put forward to adopt ends seal hydrostatic under high pressure for high grade pipe.It points out that hydrostatic testing pressure shall determine K calculation value in accordance with appendix 4.3.3 of API SPEC 5L.