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5

Pipeline Material Selction


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#1 BabRafiq1

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Posted 06 September 2022 - 07:00 AM

Dear Members,

I'm working on a task of pipeline design for Natural Gas containing 26 mole% CO2 and moisture. I have done line sizing using Aspen Hysys but unable to figure out the piping material as its my 1st experience with this kind of tasks.

I will be very thankful if some one guide me or recommend some literature that could help in selection of proper material.

 

Thanks..



#2 Bobby Strain

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Posted 06 September 2022 - 11:41 AM

You should consult your company metallurgist if this is a real project. You can't trust our recommendations.

 

Bobby



#3 panagiotis

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Posted 06 September 2022 - 02:05 PM

Bobby, mechanical engineers are also responsible for the material selection diagrams?

#4 horatorres

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Posted 06 September 2022 - 08:56 PM

Mechanical engineers must select the right pipeline material. If ia a complicated fluid, corrosion engineer must be consult

 

Horacio



#5 eimonthet

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Posted 10 September 2022 - 03:18 AM

CS is the material used for the construction of  NG pipelines. Use of grade depends on design pressure.

Provide more details like

(1) H2S content

(2) Design pressure

(3) Design temperature



#6 shvet1

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Posted 07 October 2022 - 12:02 AM

ISO 21457, ISO 17348, ISO 17349 might help



#7 Dacs

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Posted 18 October 2022 - 09:09 AM

You should consult your company metallurgist if this is a real project. You can't trust our recommendations.

 

Bobby

 

This is the way.

 

Process Engineers (as I assume you are too) are not fully qualified to provide proper recommendation for material selection (I know I can't).

 

Your task however is to provide the proper information to your material specialist, to cover all the possible operating (and even upset) scenarios.



#8 shvet1

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Posted 20 October 2022 - 01:06 AM

@Dacs

Process Engineers (as I assume you are too) are not fully qualified to provide proper recommendation for material selection (I know I can't).

 

for your info

There are many regions in the world where one does not distinguish between a process engineer and a materials/corrosion engineer. High specialization in not common.






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