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Recent content by tarekdata

  1. tarekdata

    Relation between pipe thickness and welding time

    Dear Pipe Welding expert. There are a strong and evident relation between pipe thickness and pipe welding time " assuming that pipe diameter is same " since the amount of metal deposit is exponentially proportional with pipe thickness. Lets go Back to DIA -Inch welding definition, where We...
  2. tarekdata

    What is the Pipe wall Thick that require to start using PWHT

    Dear API std specialist. According to API 1104 , which pipe thickness tiger " threshold " starting Post welding heat treatment. Thanks Tarek
  3. tarekdata

    Design of industrial Suspended Scaffolding Under Pipe Rack.

    Dear canpro, ralph Thanks indeed for you participation . Dear Ralph, the steps and notes you provided is so useful. Mostly we are going to buy , so we need to budget the QTY. I've already done it based on 1 meter pay span. see the attached file, since we are in UAE, the currency used is...
  4. tarekdata

    Design of industrial Suspended Scaffolding Under Pipe Rack.

    dear All Scaffolding Experts. We are doing a project in UAE - Abu Dhabi , the project is surface facility plant or central process plant , oil & Gas pre export treatment. the plant contains 3,500 Lm of multi layer and story pipe rack. we need to erect a scaffolding under each layer...
  5. tarekdata

    Determining the Welding Profile specified on WPS for Pipeline

    Dear weldstan is there any min. requirement ? What is driving contractor selection to choice between J and V profile ? the contractor might formulate a profile providing him less metal deposit rate , or cheaper welding electrode , so what would be controlling such action ?
  6. tarekdata

    Determining the Welding Profile specified on WPS for Pipeline

    Dear Welding and piping expert. it is whom responsibility to determine the type of pipe/piping welding profile " Root depth, Spacing , Bevel angle and shape Single or double grooving , V or J type ? On what basis these parameters " Type of profile , dimensions along with Welding electrode...
  7. tarekdata

    Determining the Welding Profile specified on WPS for Pipeline

    Dear Welding and piping expert. it is whom responsibility to determine the type of pipe/piping welding profile " Root depth, Spacing , Bevel angle and shape Single or double grooving , V or J type ? On what basis these parameters " Type of profile , dimensions along with Welding electrode...
  8. tarekdata

    Orientation of Seam Line of welded pipeline

    Dear ZDas, thanks for your feedback , would you please elaborate more about the TDC , the acronym is not well know for myself.
  9. tarekdata

    Orientation of Seam Line of welded pipeline

    Dear Sjones, thanks for reply. the point of making seam line on the upper part of pipe, see the attached sketch and please confirm the proper angle as per the provided scale on the sketch. that will work for one spool, what is about the consecutive spool, shall it follow the same angle or I...
  10. tarekdata

    Orientation of Seam Line of welded pipeline

    Dear All Piping expert we are doing a pipeline and piping work in iraq. We have pipe 52" API 5L X60 welded oil transfer line. the pipe is welded. my question : is there any standard or regulation controlling the orientation of pipe's seams " line of longitudinal welding " , by another word...
  11. tarekdata

    Looking for Post welding Heat treatment expert advice

    Dear PWHT expert. Please advise from your past experience the best equipment manufactures. We are looking for PWHT units 80 to 100 KVA 6 channels will full accessories. Regards; Tarek
  12. tarekdata

    ABB SACE PR121/p LV Geared Circuit Breaked Assmebly drawing

    Dear ZogZog We have 4 unit of this Circuit breaker 2500 A , it is connected with Generators " 4 units " . since 1 week we got the 4 units broken, the Breaker broken at open position, and lever operating the gear set not latching and charging the gear to close the breaker. We are looking for...
  13. tarekdata

    NDT tutorial

    I was searching through internet and I couldn't find a website provide X-ray or Gamma-Ray pipeline radiography training " online and free " nor tutorial. If any one know good one, please recommend.
  14. tarekdata

    ABB SACE PR121/p LV Geared Circuit Breaked Assmebly drawing

    Dear Ele. Eng. Any one have ABB SACE PR121/p Dis-assembly Drawing, please share it with me.
  15. tarekdata

    Filler coating weight Vs Metal Weight

    Dear Weldstan Simple and smart idea.

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