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  • Users: LPC1
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  1. LPC1

    Hydrogen Piping

    Hello! Please, I want to know if stress relief is required for 900 and 600 psi carbon steel hydrogen piping, below 390° F. What papers or standards may focus this aspect? Do you know inform the standards the hydrogen industries adopt? Thanks
  2. LPC1

    Process Equipment Anchor Bolting Torque

    Hello, I want to know which is the torque value to be applied on the base anchor bolts of pressure vessels, process columns and stacks. Can I simply use the torque values determined for bolts considering bolt diameter and material? Some say the correct practice is tightening the nut by hand...
  3. LPC1

    Pressure vessels and stacks anchor bolts torq

    Hello, I want to know which is the torque value to be applied on the base anchor bolts of pressure vessels, process columns and stacks. Can I simply use the torque values determined for bolts considering bolt diameter and material? Some say the correct practice is tightening the nut by hand...
  4. LPC1

    ASTM A 182 F 316 Flanges Hardness

    Hello! I'd know: 1- Why the ASTM A 182 doesn't show hardness values for the most of the stainless steel forgings? 2- What is the hardness value for the A 182 F 316 RTJ flange? 3- Assuming a 160 HB hardness for RTJ what is the standard flange hardness? Thanks
  5. LPC1

    Pultruded Components Inspection

    Hello! I want to know if it there is a Pultruded Components Inspection Standard or Guidance. We're started to use pultruded platforms, ladders, etc and what, when and how must I inspect them? What is the mean life time of pultruded components environmentaly exposed? Thank you, LPC1
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