RE: [MW:14951] Repair of cladding plate as per SA 264

Hi Gents

Be aware that this Code requirement is only applicable if the cladding is
taken into consideration for the strength of the vessel. If it is only
applied for corrosion resistance, this Code requirement is not applicable.
The max. size of the unbonded area is than only limited to locations of
openings or tubeholes (in case of a tubesheet)

Regards

Fred Bosman


-----Oorspronkelijk bericht-----
Van: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] Namens krishna mudhale
Verzonden: maandag 23 juli 2012 14:38
Aan: materials-welding@googlegroups.com
Onderwerp: Re: [MW:14936] Repair of cladding plate as per SA 264

But question is that when the repair area has to be repaired either
area exceeds 58cm2 or less.

On 7/23/12, Vinayak Kale <Vinayak_Kale@lntenc.com> wrote:
> It means , unbounded area to be removed & repair , recently i have face
the
> same problem in cladded dish end , we removed complete cladded area by
> machining & rewelded with SAW process
>
> Regards
>
>
> Vinayak Kale
> OGSP - QA & I , HC - Upstream
> EPC Block , 2nd Floor , Gate No.1
> Saki Vihar Rd. Powai Campus
> Mumbai - 400072
> Ph : + 91 022 6705 3969
> (M) - 9987875309
> www.larsen toubro.com
>
>
> -----materials-welding@googlegroups.com wrote: -----
>>
>> To: materials-welding@googlegroups.com
>> From: kundan.ahirao@gmail.com
>> Sent by: materials-welding@googlegroups.com
>> Date: 07/23/2012 12:23PM
>> Subject: [MW:14925] Repair of cladding plate as per SA 264
>>
>> Dear Expert
>> please advice-----
>> Recently we received some explosion bonded clad plate of SA516 gr 70 + SA
>> 240 Tp 316L.
>> During explosion bonding plate having unbonded area.
>> As per SA 264 cl No 13.3.3 says that no single unbonded area exceeding
>> 58cm2 with total unbonded area not to exceed 5% of the total cladded
>> surface area.
>> Does it mean that above 58cm2 unbonded area are not acceptable or above
>> 58cm2 unbonded area repairable upto 5% of total cladded surface area.
>>
>> Thanks and Regards
>>
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.