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TOPIC: Base material for piping components

13 years 4 months ago #8606

  • Hossein
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How can I determine the base material for a class? I can specify rating and wall thickness for a group material by specified pressure and temperature; but one step before it, I don’t know which material is suitable for which service.
Please help me about base material.

Hossein, Take a look at piping 13 years 4 months ago #3752

  • easy-e
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Hossein,

Take a look at piping codes & standards under the Standards section. http://www.pipingdesigners.com/Codes%20 ... 0lists.htm

That should be a good starting point. If you are looking for a specific application perhaps you should ask your process engineer or you can post it here, if it is fyi.

Dear Easy-e, I know the piping 13 years 4 months ago #3753

  • Hossein
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Dear Easy-e,
I know the piping codes & standards are very useful too! But exactly which code for this purpose?

For which purpose??? You seem 13 years 4 months ago #3755

  • easy-e
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For which purpose???

You seem to be asking a very broad question. That is why I stated before that your process engineer should be able to tell you which base material you should use for a specific application.

But maybe the following will help.

The selection of the material to be used for each system is based on an evaluation on the following factors:
1. Requirements and limitations of the building and piping codes
2. The fluid in the pipe
3. The pressure and temperature of the fluid in the pipe
4. The location and external environment of the pipe
5. Availability of the material
6. The expected life of the facility where the system is to be installed
7. The installed cost of the system


The first four factors relate to safety and are of primary importance. The last three are related to the economics of the project and are weighed to suit.

The above was an excerpt from “PIPING HANDBOOK” sixth edition (great resource by the way)

So if you know the pipe codes & standards as you stated, you then should be able to apply that knowledge to the above factors and determine your base material. Or am I missing your point completely?

Thanks very much Easy-e 13 years 4 months ago #3757

  • Hossein
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Thanks very much Easy-e
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