DEARS,
-- Yes, u need to cut and reweld. Mostly hotpass is to burn and float out wagon track present in root pass ,so time between root and hot pass is 5 to 10 minutes
Regards,
SENBE
On Tue, May 15, 2012 at 5:25 PM, jesti fer <jesti_fer@yahoo.com> 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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