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  1. MDGaumer09

    Bolting material for a 600# high temp pressure vessel?

    I have a 12" 600# circulation heater designed with 304H stainless steel. It is heating gas from 401ºF to 870ºF at 1499 lbs/hr. The customer has requested design conditions of 218 PSI @ 1292ºF. I'm having an issue finding suitable bolting material for this process. I was told by my customer to...
  2. MDGaumer09

    600# pressure vessel bolting for high temps?

    I have a pressure vessel heating gas from 406ºF to 870ºF at a flow rate of 1499 lbs./hr, and my customer has requested a design of 218 psi @ 1292ºF. They had requested sa-193b16 stud and nuts sets but these are only suitable up to 1100ºF. They had replied with a B8 Class 1 group that would...

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