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Recent content by xda

  1. xda

    weldability 25Cr Dulex vs 13Cr Matensitic

    which one more weldable: 25%Cr Duplex SS or 13%Cr Martensitic SS???
  2. xda

    anodized

    seat tracks area usually are attacked by general corrosion and may be need some micron added layer, contact aircarft engineer for suitable specification.
  3. xda

    sweet corrosion in gas transmission

    Stanweld, fyi, this is single phase, 45%mol CO2, saturated water is 680 lb/mmscfd.
  4. xda

    corrosion inhibitor

    what inhibitor type are suitable injected in gas transmission containing high CO2 & no H2S? What is multi injection and are there any effect? --thx 4 ur advice--
  5. xda

    sweet corrosion in gas transmission

    thank you very much. is this similiar case with onshore gasline with the fluid content is wet gas, no H2S, no chloride? well gas Temp above 212deg F, so the duplex more suitable, isn't it?
  6. xda

    component of cost for pipeline construction

    where i can find composition (percentage) or component of pipeline construction cost? (for ex. pipe, valve, fitting, labor, paint, corosion protection, instrumentation, etc.) thx for your advice
  7. xda

    protective coating for steel pipe

    what is the suitable protective coating for external steel pipe with 95 celcius degree service temperature? where i can find list of organic coating properties (ex. temperature resistance value of each coating material)? thx for your advice
  8. xda

    look for list of API 5L pipe manufacturer

    Hello: Can anyone suggest where i can find reputable/well known steel pipe (API 5L, 5LX, 5LC & 5LD spec's) manufacturer? Thanks in advance
  9. xda

    steel pipe manufacturer

    Hello: Can anyone suggest where reputable /well known steel pipe (API 5L, 5LX, 5LC & 5LD spec's) manufacturer? Thanks in advance
  10. xda

    sweet corrosion in gas transmission

    What is the most suitable steel pipe material spec's for preventing sweet corrosion?
  11. xda

    Galvanic Anode CP vs ICCP

    yes, we're considering to protect 20,000 meter external burried pipeline; the environment is soil (onshore) with 7000 ohm-cm resistivity and pH = 5. For galvanic anode system, may be many anodes required to protect it, but untill what total current output of total anodes are considering to...
  12. xda

    Galvanic Anode CP vs ICCP

    if we choose galvanic anode CP system for protecting old cs pipe, is there any max possible economical current output that is supplied by total anode than using ICCP system? What is other relevant considerations? thx
  13. xda

    Stainless steel vs CP

    Is protection criteria for SS similar with CS? Are there any CP standards for protecting SS?
  14. xda

    Stainless steel vs CP

    Are stainless steel pipes also protected by CP Sytem???
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