Re: [MW:22911] Re: Excess penetration measurment in Radiograph

Excess penentration is measured edge of the joint to base metal in superimposed method by scale.

 

Regards,

 

Prashun

On Sat, Feb 21, 2015 at 9:03 PM, sundarrajan kumaraswamy <ksraja15@gmail.com> wrote:

Dear Pratish,

UT measurement on small bore piping is very difficult , more over probe seating on weld is impossible

so please suggest how to measure weld excess penetration by UT

Any idea about Image Contrast Graph,

Regards,

K.Sundar Rajan

On 21 February 2015 at 09:02, <pkkanishk2006@gmail.com> wrote:

Dear Sundar ,

I believe all have given their input and the good one is to do UT or you can go for gauge pigging which could help u to understand if it is excess or not.

Regards

Pratish 

On Wednesday, February 18, 2015 at 1:49:32 AM UTC+5:30, sundarrajan kumaraswamy wrote:

  How to measure the excess penetration from the Radiograph of Small bore piping  DWDI superimpose Radiograph shows low density near the inner wall,

what is acceptance criteria for excess penetration as per ASME B 31.3 code, Please clarify the IMAGE CONTRAST GRAPH method .

Regards,

K.Sundar Rajan

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