Demethanizer
Demethanizer
(OP)
What is the best material for a demethanizer column at 500 psi/-51 F design conditions
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RE: Demethanizer
RE: Demethanizer
SA 516/70(impact tested to the design material temeprature) is common MOC for demethanizer.There are plenty of such columns designed with this material, subject to acceptable design & process conditions.
For the design temperature mentioned above the other good option could be SA 537 Cl-1 or Cl-2 steel.
Material selection depends on a lot of other factors also:-
-sour service requirements
-corrosion rates
-overpressurizing conditions which may lower the temperature below -51F
-Other design conditions as applicable
Generally good EPC companies would have the required engineering experiences on such equipments. As advised by "metengr" you need to consult them.
Pradip Goswami,P.Eng.IWE
Welding & Metallurgical Specialist
Ontario, Canada.
ca.linkedin.com/pub/pradip-goswami/5/985/299
RE: Demethanizer
Thanks for sharing your experience. this is, really, a response with value-added (That is the purpose of this forum).