Initially check your specification for Rust Grading A/B/C/D the go for necessary action
On Sat, Oct 20, 2012 at 3:24 PM, Mohamed Elsayed ( BTG) <MElsayed@ccc.ae> wrote:
You can see ASME Sec. II part A , you will find limit of allowances for
pitting (not more than 12.5% of the Original/Nominal Thickness).
Thanks
Mohamed
> 0.8mm
-----Original Message-----
From: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] On Behalf Of HAREESH K V
Sent: Saturday, October 20, 2012 12:44 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:15719] Fwd: FW: RUSTED MATERIALS
Dear Mr.Sreenivas Rao,
In which construction code it is mentioned about the rejection above
0.8mm.
Please give the reference.
Thanking You,
Hareesh K V
+91-9447625012
On Fri, Oct 19, 2012 at 5:04 PM, G Sreenivas Rao <gsrinivasg3@gmail.com>
wrote:
> Dear Kumar
> if the material is badly pitted, pitting isze and depth is more than
> 0.8mm then the materal is not acceptable in general, if higher thick
> material, where thicknesss alloance ( more) permitted then this can be
> used by grinding , in case of Pressure part, rusted, pitted and less
> thick material are not acceptable.
>
> Regards
>
> GSR
>
> On Fri, Oct 19, 2012 at 12:01 AM, Kumar kerala <sk7920541@gmail.com>
wrote:
>>
>>
>> Dear forum members,
>>
>> Kindly be sharing my concerns about "deeply rusted materials "
>> (different sizes, thickness about 9.53mm). the appearance of the
>> materials are poor. the thickness is measured by UT gauge and found
>> in required limits. but the mill coating of materials are damaged in
>> most of the cases, which is the main issue...are these are really to
>> be rejected in client point of view ( elbows- WPB-234, A 106 pipes
>> etc...)...these materials were stored in poor conditions with
supplier...
>> expecting opinions fromm all corners...
>> NB: photos attached.
>> regards,
>> Kumar.
>>
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>
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and meant for educational purposes only, Users must take their own
decisions w.r.t. applicable code/standard/contract documents.
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chichula mahesh kumar
+91 9704656060
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