You are right. ASME Sec IX doesn't address the testing requirement, you need to follow the requirements of API 650 (code of construction or design)
-- On 17 October 2015 at 11:55, SA <sarfrazengineer@gmail.com> wrote:
Dear All,A Fuel Oil tank has been designed as per API-650 code and it is mentioned in this code that when design metal temperature is below -7°C impact test shall be carried out for all welds for all components. The statement in code is given as:"9.2.2.2 When the design metal temperature is below -7°C (20 OF), impact tests of the weld metal shall be made for all procedures used for welding the components listed in 4 2.10 1, for welding attachments to these components, and for fabricating shell nozzles and manholes from pipe and forgings listed in 4.5.In our case, design metal temperature is below -7°C i.e. -10°C but still welding engineer is insisting that impact testing is not required as per ASME Section IX (QW-403.5).My question is that Tank is designed as per API-650 and there is no reference that ASME section IX would supersede the above statement of API-650 where impact testing shall be carried out when Design Metal Temperature is below -7°C.Can anybody guide on this subject.Thanks in advance
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