No
Best regards
Dr Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
HBS Regional Technical Manager
From: Original Man [aumpiem@gmail.com]
Sent: 08/29/2014 04:36 AM MST
To: materials-welding@googlegroups.com
Subject: [MW:21753] Soaking time as qualified.
Dear Sir
-- Please you help me to clarify.
Concerning we had prepared PQR is A333 Gr.6 (MDMT is -46 c) thickness 25 mm normally should be soaking time as 1 hr. But i want to it cover range 2t (50 mm thk.) so i had soaking time is 2 hrs.
Question If we welding pipe thickness 25 mm. Can be PWHT as 1 hr or not ? Or should be soaking time is in accordance with PQR as qualified ?
Ref. ASME IX
Adisak
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