Piping material specification(PMS)

In summary, the speaker is seeking information on how to select the appropriate material for different components used in piping, such as A106 Gr B for vapour pipes, A105 for flanges, and A105/A234 for fittings. They are wondering how to choose materials if the fluid being transported changes, and what references are used for selecting these materials, such as ASME, BS, or ASTM standards. The speaker is frustrated that they have not been able to find answers to their questions.
  • #1
shahinmp
4
0
Dear Engineers

I am very curious to know about Piping material specifications (PMs) .
How can I select the appropriate material for components which is used in piping? For example we use A106 Gr B for vapour pipes or A105 for flanges and A105/A234 for fittings less/bigger than 2". Now I want to know if the fluid changed to gas or oil or for example styrene monomer how I should choose these materials.
what is the main refrence for choosing these materials? Are ASME or Bs or ASTM standards used for this?

Thanks in advance!
 
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  • #2
I am coming everyday to find some answers or helps to my question but no answers available! what's the problem?
 

1. What is the purpose of a Piping Material Specification (PMS)?

A Piping Material Specification (PMS) is a document that outlines the specific requirements for the selection, design, and use of materials in piping systems. It serves as a guide for engineers and designers in determining the appropriate materials to use for a given project, taking into consideration factors such as temperature, pressure, corrosion resistance, and compatibility with other components.

2. How is a Piping Material Specification (PMS) created?

A Piping Material Specification (PMS) is typically created by a team of engineers, designers, and materials specialists. They review the project requirements, environmental factors, and industry standards to determine the most suitable materials for the piping system. The PMS is then reviewed and approved by all relevant stakeholders before being implemented.

3. What information is typically included in a Piping Material Specification (PMS)?

A Piping Material Specification (PMS) typically includes information such as material type, grade, dimensions, pressure and temperature ratings, corrosion resistance properties, and any special requirements for fabrication, installation, and testing. It may also include references to industry standards and codes that must be followed.

4. Why is it important to follow a Piping Material Specification (PMS)?

Following a Piping Material Specification (PMS) is crucial to ensure the safe and efficient operation of a piping system. Using incorrect materials or deviating from the specifications can lead to failures, leaks, and potentially hazardous situations. It also helps to maintain consistency and standardization in the design and construction of piping systems.

5. Can a Piping Material Specification (PMS) be modified or updated?

Yes, a Piping Material Specification (PMS) can be modified or updated as needed. Changes may be necessary due to new project requirements, advancements in materials technology, or updates to industry standards. Any modifications or updates should be carefully reviewed and approved by all relevant stakeholders before being implemented in a piping system.

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