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farwaz
Member

Join Date: Aug 2010
Posts: 8

Heat Numbers Cannot Be Identified Due to Rust

08/17/2010 7:27 AM

Dears

We have pipes having the material test reports with different heat numbers, but heat numbers cannot be indentified due to rust in the surface.

Now we want to use this material, but how I can give heat numbers to this pipes?

Thanks
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Whitephone
Guru

Join Date: Jan 2010
Location: Mineral wells Tx
Posts: 630
Good Answers: 34
#1

Re: Heat Numbers Cannot Be Identified Due to Rust

08/17/2010 11:58 AM

I think that you have to retest the material (Mechanical and Chemical analisis). Maybe there are not other way to keep material traceability
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ashfaqanwer
Commentator
Engineering Fields - Piping Design Engineering - New Member

Join Date: Apr 2010
Posts: 66
Good Answers: 1
#2

Re: Heat Numbers Cannot Be Identified Due to Rust

08/19/2010 4:41 AM

Conduct PMI (Positive Material Identification) of these pipes and on the basis of chemical composition, you may segregate these pipes.

I hope you must be known with the available variety of pipes at your site. PMI would guide you through and then you may color code them accordingly.Heat numbers have gone now.

Regards,

Ashfaq Anwer

http://thepetrostreet.com
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