[MW:12069] Re:welding of cast ductile iron

Dear exports


 as i know  there is possibility to weld cast ductile iron (repair), i need a explanation in detail If possible with Standard reference.

expecting reply
RAVIKUMAR T S

E-MAIL :travikumar@flowserve.com



From:        atul chaturvedi <atulchaturvedi3@gmail.com>
To:        <materials-welding@googlegroups.com>
Date:        08/02/2011 08:03 PM
Subject:        Re: [MW:12065] Roller marks
Sent by:        <materials-welding@googlegroups.com>

---

Dear Navaneetha kumar,
Evaluate the defect as per attached wall thickness tolerance and you
can remove the defect by grinding as you state that the remaining wall
thickness is within specified limit.
Find the attached section 9.3 and 11.4 of API Specification 5LD for
CRA Clad pipe.
Regards
Atul Chaturvedi
Punj Lloyd Ltd
+971508272217


On 8/2/11, yash yagnik <yash2223@gmail.com> wrote:
> Accept it.
>
> No harm accepting as it is considering its not sharp. But make sure that
> this is in knowledge of your client and take them in confidence before
> taking any final decesion.
>
> Yash
>
> On Tue, Aug 2, 2011 at 1:46 PM, navanee kumar <dnkuit@gmail.com> wrote:
>
>> Dear Experts,
>>
>> Operating temperature = below 120deg
>>
>> But it is CRA clad piping spools.
>> Found visible this defect after blasting.
>> 0.5-0.6mm radial deep/3mm width not sharp corner.
>> And wall thickness is more than the standard.
>>
>>
>>
>>
>>
>> On Mon, Aug 1, 2011 at 5:18 PM, Venkateswaran <
>> k.venkateswaran@ionexchange.co.in> wrote:
>>
>>> **
>>> Dear Navaneethakumar,
>>>
>>> We faced the same problem. when i was working in one of the neuclear
>>> power
>>> project for utility water piping(SA106 gr.b) ,we rejected the pipes
>>> because
>>> the depth of impression is more and visually  we can  able to
>>> detect.(after painting it will show more ripple like apperance.)
>>>
>>> Better reject the pipes.
>>>
>>> Regars
>>>
>>> K.Venkateswaran
>>>
>>> ----- Original Message -----
>>>
>>>  *From:* sudhakar kuppuswamy <mechsudhakar@gmail.com>
>>> *To:* materials-welding@googlegroups.com
>>>   *Sent:* Sunday, July 31, 2011 8:33 PM
>>> *Subject:* Re: [MW:12012] Roller marks
>>>
>>> Mr Navaneethakumar,
>>>
>>>                   Please can you  give more details like design
>>> code,service condition. design temperature and pressure.
>>>
>>> if the  service condition are   high pressure&temperature  then these are
>>> not acceptable..!!
>>>
>>> if it is normal  pressure  and temperature depends on service condition
>>> you  can make your  judgement and accepted..!!
>>>
>>> simply rejecting is not a correct solution always !!!!
>>>
>>>
>>> with regards,
>>> sudhakar.k
>>>
>>> On Sun, Jul 31, 2011 at 2:20 PM, navanee kumar <dnkuit@gmail.com> wrote:
>>>
>>>>
>>>> Dear Experts,
>>>>
>>>> Is it acceptable roller marks on the pipe?
>>>>
>>>> Please find attached photographs.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Thanks&Regards,
>>>> Navaneethakumar.D.
>>>> +971505583738
>>>>
>>>> --
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>>>>
>>>
>>>
>>>
>>> --
>>> With regards,
>>> Sudhakar.k
>>>
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>>> =
>>>
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>>
>>
>>
>> --
>> Thanks&Regards,
>> Navaneethakumar.D.
>> +971505583738
>>
>>   --
>> To post to this group, send email to materials-welding@googlegroups.com
>> To unsubscribe from this group, send email to
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>> For more options, visit this group's bolg at
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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.
>>
>
> --
> To post to this group, send email to materials-welding@googlegroups.com
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> materials-welding+unsubscribe@googlegroups.com
> For more options, visit this group's bolg at
> http://materials-welding.blogspot.com/
> 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.
>

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[attachment "API5LD.pdf" deleted by Thattekere Siddappa Ravikumar/Asia/Flowserve]

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