Mr Manoj,
Please find the recommended PWHT cycles on your query for clad equipments.
Thanks
Pradip Goswami,P.Eng
Senior Engineer/Specialist(Welding-Metallurgy)
Machine Dynamics & Component Integrity Dept.
Engineering & Training Services Division
ONTARIO POWER GENERATION Inc.
PO Box-2000, RR-55(South)
Nanticoke, Ontario,N0A1L0
Tel:-(519) 587-2201, Ext 3107--in Nanticoke
(416) 231-4111, Ext 5925--in Kipling,Toronto
Fax: (519) 587-6814
From: John Manoj [mailto:manojacgnr@gmail.com]
Sent: Tuesday, January 05, 2010 12:15 AM
To: GOSWAMI Pradip -FOSSIL
Subject: Re: MW:3952- PWHT OF S.S CLADED PR. VESSELS
Thank you very much for your response. I am attaching herewith the information as required by you.
Thanks and Best Regards.
Manoj John
On Mon, Jan 4, 2010 at 11:25 PM, GOSWAMI Pradip -FOSSIL <pradip.goswami@opg.com> wrote:
Hi,
Your query is interesting. In the past I had dealt with many such scenarios e.g., PWHT of Clad vessels , for various services, e.g. urea, petrochemicals, refinery, nuclear heat exchangers. If you could specify the following information I could provide you quite comprehensive answers.
· Design Code—ASME, BS….. etc,
· Design temperatures,
· Process service requirements, (lethal or non lethal)
· Corrosion Issues.
· Ferrite restrictions, if any.
Appreciate your response.
Thanks.
Pradip Goswami,P.Eng
Senior Engineer/Specialist(Welding-Metallurgy)
Machine Dynamics & Component Integrity Dept.
Engineering & Training Services Division
ONTARIO POWER GENERATION Inc.
PO Box-2000, RR-55(South)
Nanticoke, Ontario,N0A1L0
Tel:-(519) 587-2201, Ext 3107--in Nanticoke
(416) 231-4111, Ext 5925--in Kipling,Toronto
Fax: (519) 587-6814
From: pgoswami@sympatico.ca [mailto:pgoswami@sympatico.ca]
Sent: Monday, January 04, 2010 2:08 PM
To: GOSWAMI Pradip -FOSSIL
Subject: FW: [MW:3952] PWHT OF SS CLADED PR. VESSELS
Date: Mon, 4 Jan 2010 10:49:20 +0400
Subject: [MW:3952] PWHT OF SS CLADED PR. VESSELS
From: manojacgnr@gmail.com
To: materials-welding@googlegroups.com
One of my client specification calls for PWHT for cladded pressure vessel.
Please advise PWHT procedure for pressure vessels with cladded plates of material SA 516 Gr.70 + SS 316 L.
The thickness of vessels are : 1) 10mm + 3mm
2) 50mm + 3mm
Is there any NDT requirement applicable after PWHT.
Appreciate your feedbacks.
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