Post Hydro test welding of Section VIII Div 1 pressure vessels REg.,

[k c]

Dear All

Can any body suggest code required testing, for the welding done after hydro test.

this welding is done on hydro tested shell,  after hydro test. Code vessels and U Stamping required.

Best Regards

K C R

[pgoswami]

Hi KCR,

 

You need to repeat the hydro test following. Please see Sec-VIII, DIV-1, UG 99 (a) (1). Also see the following discussion in Eng Tips discussion forum also:- http://www.eng-tips.com/viewthread.cfm?qid=212412.

Depending on the design codes there could be some relaxations.

 

However the default rule, is to repeat the hydro test after any further welding.

 

Thanks.

 

 

Pradip Goswami, P.Eng,IWE

Welding & Metallurgical Engineering Specialist ,
Ontario,Canada.
ca.linkedin.com/pub/pradip-goswami/5/985/299

pgos...@quickclic.net

pradip....@gmail.com

H-905-6799677, 905-9631505

C-905-9793232

 

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