Re: [MW:3954] PWHT

As per B31.3,2006 edition for carbon steel greater than 20mm PWHT required.Not 19mm as mentioned in Mr Ramprasad chari mail. 

On Mon, Jan 4, 2010 at 9:45 AM, Jimmy Nielsen <nielsen.jimmy@gmail.com> wrote:

Please look into table 331.1.1Requirements for Heat treatment:

According to different P or S number PHWT requirements are N/A, <13mm,
<19mm or ALL

Find you P or S number and look into the table and will have the answer,

Regards, jimmy



2010/1/4 Ramprasad Chari <ramprasad.chari@gmail.com>:

> PWHT for fabrication as per B31.3 calls for thk 3/4" and above
> Regards
> Aarpee
>
> On Sun, Jan 3, 2010 at 5:53 PM, Material-Testing 001 <murtuza1982@gmail.com>
> wrote:
>>
>> Please advise teh PWHT teratment requirmnet for seamless and welded
>> carbon steel pipes to A53 Grade B as per B31.3
>>
>> can you please let me know under what condition PWHT is mandatory?
>>
>> appreciate you feedbacks.
>>
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With Warm regards,

G.Padmanabhan
+96895685853

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