Piping material specification(PMS)

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Piping material specifications (PMS) are crucial for selecting appropriate materials for piping components based on the type of fluid being transported. Common materials like A106 Gr B for vapor pipes and A105 for flanges are standard, but the choice may vary with different fluids such as gas, oil, or styrene monomer. Engineers should reference ASME, BS, and ASTM standards to guide material selection. Understanding the specific requirements of the fluid and the operating conditions is essential for ensuring safety and performance. Engaging with industry standards and guidelines will provide clarity in material selection for various applications.
shahinmp
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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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