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Material sleeve

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pipelinevzla

pipelinevzla

Mechanical
Joined
Feb 18, 2009
Messages
6
Location
PE
Good morning everyone,
I would like to make an inquiry, I am repairing a oil pipeline built with X-52 material, I am offered to repair it with Type B sleeve with an ASTM A572 Gr 50

Although the A572 Gr 50 is a high strength steel, the mechanical properties are less than X52, I consider that I am demerging the pipeline, is there a standard that I can check?

Thanks in advance
 
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Type B sleeve?

What design code are you using?

If you're repairing anything you're likely de-rating something.

Demerging??

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
 
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Derive the thickness of the sleeve plate using the applicable pressure design equations to achieve the necessary pressure rating.

The usual standard is API RP 2200/ASME PCC-2.

Steve Jones
Corrosion Management Consultant


All answers are personal opinions only and are in no way connected with any employer.
 
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