Dear Experts,
--
Thanks&Regards,
Navaneethakumar.D.
+971505583738
-- 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.RegarsK.Venkateswaran----- Original Message -----Sent: Sunday, July 31, 2011 8:33 PMSubject: Re: [MW:12012] Roller marksMr 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:
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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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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.
--
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 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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