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  1. MichaelDexter

    Mat SA-266 gr 2 EN equivalent

    JoshRanch, I can't find C22.8 in current EN 10222-2 IdanPV, 1.0426 material is a P280, and 1.0571 is a P355QH1. Do you know the source of such equality ? Thanks
  2. MichaelDexter

    Mat SA-266 gr 2 EN equivalent

    Hello I am looking for ASME SA-266 gr 2 equivalent acc to European Norm, and I can't find it. Do you know it ? Does this material have a special corrosion resisance ? Looking at its chemical composition it is an "oridinary" material Thanks in advance for any advice, excuse my English
  3. MichaelDexter

    Strenght material problem

    Hello. Aren't both foundations of this framework sometimes solidified? Then there is a statically indeterminate system. You can learn more in the mechanics manual
  4. MichaelDexter

    U-bends post bend heat treatment

    Hello Can you help me to find requirements for u-bends pdht in heat exchangers acc to ASME VIII div 1 ? I have tubes with o.d. 25 x 2,6 mm and radius 37,5 mm. Material is P265GH acc to European Norm. I found some information in this ASME, but I lost it. Thanks in advance Michal
  5. MichaelDexter

    Strange nozzle flanges description - R9

    Hello I was by this exchanger and I checked gaskets. All gaskets are with outside steel rings. I assume, that gaskets are spiral wound, and this "R9" is roughness description. Thanks for all advises Michal
  6. MichaelDexter

    Strange nozzle flanges description - R9

    Thank you for your answers. In this week I will see the nozzles in practice. I hope it confirm my think that nozzles are raised face Regards
  7. MichaelDexter

    Strange nozzle flanges description - R9

    Hi I am preparing a heat exchanger documentation for new exchanger based on old documentation. The heat exchanger is in Poland, and the old documentation is from Italy. In nozles table I have flanges description: 4" 150# WN-RF-R9-sch.40 and 3" 150# WN-RF-R9-sch.40. Do you know what R9 can mean...
  8. MichaelDexter

    Floating head heat exch. calc - corr. factor fT

    Thank you very much. Yes it is simple, I use the ASME codes very seldom and it is my explanation. For fR I tried values from 1 to 1100 and was without influence on result in %. Now I can calculate correct fR Thanks again !!
  9. MichaelDexter

    Floating head heat exch. calc - corr. factor fT

    Hello All I prepare a floatong head heat exchanger calculatiobn acc to ASME VIII part UHX-14 with Visual Vessel Design program In tubesheet calculation I have a position: "correction factor to account for radial differential thermal expansion fT" Do you know what value should be written ? I can...
  10. MichaelDexter

    Which kind of PWHT for tank with KOH, HF, hydrocarbons

    Thank you for answers Now I have confirmation, what to do :)
  11. MichaelDexter

    Which kind of PWHT for tank with KOH, HF, hydrocarbons

    Hi It is possible, that I will make design of horizontal pressure vessel with boot for potassium hydroxide (KOH), hydrofluoric acid (HF), hydrocarbons. It is a reconstruction design, old tank has more than 40 years. The tank is made from SA-515 gr 70, and had a post weld heat treatment. Do you...
  12. MichaelDexter

    Missing SA182-316Ti / SA312-316Ti material for flanges forging / pipes

    This material is used for tank manufacturing in Polish refinery, his number if I remember is 1.4571 My question for certificates is without answer Thank for answers
  13. MichaelDexter

    Missing SA182-316Ti / SA312-316Ti material for flanges forging / pipes

    Thanks for advices. I am waiting for inspection certificate for these materials. When I receive it, I will be 100% sure that these materials are present on market. Thanks all
  14. MichaelDexter

    Missing SA182-316Ti / SA312-316Ti material for flanges forging / pipes

    Hello All I have in data sheet for storage tank acc. to API 650 a flanges forgings with SA182-316Ti material Flanges acc. to ASME B16.5 I can't find this material in ASME SA182 standard Is it a "shortcut" or I have old version of this standard ? What is full name of this material ? I dont have...
  15. MichaelDexter

    SA516-60 imtact testing acc to API650

    Thanks all for answers I am not an expert in API650 therefore this question Regards
  16. MichaelDexter

    SA516-60 imtact testing acc to API650

    minus 25 deg Celsius
  17. MichaelDexter

    SA516-60 imtact testing acc to API650

    Hello I have storage tank made from SA516 gr 60 material. Tank covered by API 650. Please look at my inerpretation of impact testing energy value. It is important for me. API 650 twelfth ed. 2013 SA516-60 in table 4.4b -> material group III or IIIA Table 4.5a -> min value 20J Thanks in...
  18. MichaelDexter

    API650 tank with bottom cone - NDE

    I have checked, yes, design code for cone bottom isn't API but EN 1993-4-1 (in data sheet). This code was changed to API650 / ASME VIII div. 1. Now all parts of tank are acc. to American Codes - it was reason of change. Shell and roof is acc. to API 650 This tank will stand on foundation slab...
  19. MichaelDexter

    API650 tank with bottom cone - NDE

    I wasn't precise. Cone bottom is like for silos - with 30 degree angle from vertical axis (see attachment) http://files.engineering.com/getfile.aspx?folder=bf9a42a5-08b7-499f-8803-7b34f66e2c9c&file=tank.pdf Thanks all for...
  20. MichaelDexter

    API650 tank with bottom cone - NDE

    I took NDE requirements from tank shell, from API 650

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