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  1. hsemus

    Abaqus bolt tension output..

    Hi Could you advise the method to find the resultant force , remaining tension on bolts from abaqus results. A photo of the expected result image is attached .. But I am not familiar with the method of producing an output like this . Thanks in advance .
  2. hsemus

    heat input & cooling rate

    HEAT RETENTION BLANKET use of these blanket as soon as finish welding to reduce the cooling time , the pearlite structure requirements can be achievable..
  3. hsemus

    Hardness Test

    try to use a grid with a spacing 25mm for each hardness measurement . This hardness test can be performed by a portable hardness reader.
  4. hsemus

    Class 1500LB-II

    for valve materials , normally API 6A material class applies . AA-General Service Carbon or low alloy steel BB-General Service Carbon or low alloy steel CC-General Service Stainless steel DD-Sour Service a Carbon or low alloy steel b EE-Sour Service a Carbon or low alloy steel b FF-Sour...
  5. hsemus

    Valve explanation

    those are bleed valves . in some valve manufacturer, they weld this bleed valve are prior to deployment to permanent subsea use.
  6. hsemus

    structural

    Is the formula for combining axial stress and 2 x shear stress through Mohr circle nominal stress as shown below is acceptable to combine stresses.
  7. hsemus

    Intergranular corrosion acceptance criteria clarification

    Hi EdStainless , The surface was fine . As part of the test the surface is grit blasted to the required surface finish as per the standard. I agree that there should be limit on the inter granular crack measurement . But G24 doesn't required this . So my question is , will you expect to see...
  8. hsemus

    Intergranular corrosion acceptance criteria clarification

    Nickel alloy 625 pipe is tested by using ASTM G24 method A for the loss of weight. As part of the acceptance criteria stipulated by the client required to check the weight loss @ 120hrs and also examine at X20 magnification-there should be no integranular attack presence. But the test report...
  9. hsemus

    Transient analysis in abaqus

    Mustaine Thanks for your quick response.. Do you know any link in the internet which shows the step by step guide to link the stead state to the transient analysis .
  10. hsemus

    Transient analysis in abaqus

    § How do you link the steady state results to transient state analysis initial condition values in abaqus. I am new to abaqus. in solid works thermal analysis or Ansys thermal analysis performing transient with the steady state input is straight forward. thanks in advance ..
  11. hsemus

    AWS D1.1 - CPJ to PPJ

    I would like to use a AWSD1.1 qualified full penetration joint , where the root is done by TIG and fill/cap with FCAW , to perform a partial penetration weld using a FCAW GS only. Is this is allowed under the AWS D1.1 noms. If so please also advise ether section in AWS which support this .
  12. hsemus

    welding definition

    what is the meaning of "Change from butt welds to T-joints and Tubular Joints, and vice versa "? is this mean that a partial penetration weld is not qualify a full penetration weld ?
  13. hsemus

    AWS d1.1 essential variable clarification

    Hi Can i use a pre-qualified AWS D1.1 WPQ , where the base material is S355 to S355, and now I want to use this qualification to weld S355 to S275 . IS this allowed in AWS essential variable .
  14. hsemus

    ASME IX welding

    HI, I am planning to weld a 100mm thick plate to the centre of an ASME b16.5 blind flange with a 6inch minimum thickness for a pressure application. I got an asme IX weld qualification for 8" pipe. Can i use this weld qualification for the above mentioned thickness with this weld qualification.
  15. hsemus

    AWS D1.1

    Hi What is the correct chary test temperature need to be used to qualify BSEN 10225 S355 G8 material fillet and butt weld in accordance to AWS D1.1. Regards, Sumesh
  16. hsemus

    ni625 weld qualification to asme IX

    Hi please advice.. if I want to qualify the butt weld for a ni625 pipe to ni625 flange, can I use the pipe material cut into two halts and make the butt weld. is that acceptable qualification for this production weld. Please note that the flange and pipe are Ni625 but using two different...
  17. hsemus

    Asme IX welding

    Thanks for the info. So if i did the 1.6mm root length for qualification WPQ, can be used for a 2mm root length ?
  18. hsemus

    Asme IX welding

    Hi could please advice … If 60deg bevel and 1.6mm root length weld qualification by using asme ix can be used for 60deg bevel and 2mm root length weld. is this root length is a essential variable as per asme ix. My understanding of the standard is the bevel angle cannot be less than 10deg...
  19. hsemus

    Aging affects on ptfe

    ptfe got unlimited shelf life . UV properties need to considered when designing ..
  20. hsemus

    Pipe Material substitution

    I will say .. use API 5L pipe spec , but make sure you satisfy the wall thickness against ASME B31.8 ( gas line code). API X42/X52 seamless pipe is industry acceptable ..... because you don't need any clad and get these pipes from a stockist easily .

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