Re: [MW:30461] Re: Time between root pass and hot pass

Ref API 1104

On Mon, 10 Feb 2020 12:46 pm , <tahirkaimi@gmail.com> wrote:

would you please guide me that can we left the joints after hot pass and complete the joints next day.

On Tuesday, 15 May 2012 18:25:43 UTC+5, jesti fer wrote:

Dear all,

We are doing 20" pipe line project with API 5L Gr.B material as per B31.4, Welding process SMAW (E6010 for root and rest with E 7018, both are up-hill) our welder welded one joint root pass and he kept this joint for long time. But our Qc instructed to cut and re-weld the joint. But the time between root pass and hot pass not mentioned in approved WPS and client specification also.

It necessary to cut and re-weld?

It is mentioned any were in the code (ASME or API)?

 

Please help me,,

  

Best Regards

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