Dear Raneesh,
The distance between adjacent butt welds is 1D. If not it is never closer than 1 1/2" . This is supposedly to prevent the overlap of HAZs. Min. Spacing of circumferential welds between centerlines shall not be less than 4 times the pipe wall thickness or 25 mm which ever is greater.
On Jan 17, 2017 2:28 PM, "George Dilintas" <dilintas@gmail.com> wrote:
-- tHERE IS NO RESTRICTION IN THIS CODE SECTION.HOWEVER, YOU HAVE TO CONSIDER METALLURGICAL ISSUES.ONCE MORE, CODE IS NOT AN ENGINEERING HANDBOOK--2017-01-13 9:00 GMT+02:00 syahrul husin <syahrulhisyam89@gmail.com>:--
Dear Raneesh,i m not an expert.But i m sure the allowable distance between the weld would be 4T or 50mm.
On Saturday, December 10, 2016 at 11:35:45 AM UTC+8, raneesh pk wrote:Dear experts,Can any one please confirm the Minimum distance between butt weld joint as per ASME B31.1.Regards,
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--Dr. Georgios Dilintas,Dipl. Ing. In Aeronautic and Space EngineeringPh.D in Mechanics of Solids - Computational MechanicsA.I.S, A.N.I, IRCA Lead AuditorWelding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis
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