Saturday, April 17, 2010

Re: [MW:4840] Radiographic film interpretation

Mr. Shashank,
Can you give more details like what is the welding process, Pipe or Plate joint. In flow lines I use to see these type of indication in crude oil pipelines especially in 4" & 6". As per API 1104 I will reject due to size you mentioned.
 
Regards,
S.Senthilkumar

--- On Thu, 15/4/10, Shashank Vagal <nach_sam@yahoo.com> wrote:

From: Shashank Vagal <nach_sam@yahoo.com>
Subject: [MW:4850] Radiographic film interpretation
To: materials-welding@googlegroups.com
Date: Thursday, 15 April, 2010, 8:16 PM

Hi all,
In one RT film we have a 10-12 mm spot with density 3.13. The weld density is 3.17 and the parent metal density is 3.3. It is apparently interpass LoF in the 2nd fill pass after hot pass (confirmed by UT, where the indication ht is approx 20%of DAC). Is there any or what is the criteria for acceptance/rejection based on density difference?
Rgds,
Shashank Vagal

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[MW:34820] RE: 34813] Clarification in Rate of heating and cooling.

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