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Pipe weld quantities

John PflueglerMember for 19 years 5 months
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Can someone explain what is meant by the quantity unit "diameter inch"
It is with respect to number & size of pipe welds.
Thanks

John

4 replies

Oldest first
  1. 0
    Hady Mohamed ·
    Let me give it a shot.

    Diameter Inch is the unit of measurement for pipewelds.
    If you have a particular spool that will have 7 joints, the total inch-dia for the welds of that spool will be :(diameter of the pipe/fitting x 7).

    For example, a 6" spool with 7 joints would have a total inch-dia of 6 x 7 = 42 inch dia.

    Hope that helps
  2. 0
    Basir Ahmed ·
    Lets say you have a 10" pipe and there are three joints.

    how would you quantify it.
    there are two ways:
    1. No. of joints i.e 03
    2. Quantity of welding done i.e 10(diameter of the pipe to be welded) x 3(number of joints) = 30(Diameter Inches)

    hope the answer is clear.

    Regards,

    Basir
  3. 0
    Arnel Encio ·

    Hey Guys!There are instances

    Hey Guys!

    There are instances where we need to weld two pipe ends to form a bend. In this case, the welding lenght is longer than joining two pipes in straight line. 

    For example a 45deg bend is formed by welding two 16in pipe ends. Is the measurement remain the same as 16*1=16 dia inch?

    How are we going to measure the pipe welds in this case?

     

    regards,

    Arnel

  4. 0
    Jithin Kambhikanam ·

    Hello John,It means the Size

    Hello John,

    It means the Size of Pipe which is Hoined to another Pipe of Same Size - Say A 10" pipe Pipe Has a DI - 10

    So for Calculation/Report/Progress Purpose - When a 10 " Pipe is Welded with a 10" Pipe - Your output is 10 DI (Dia Inch)

    Another example:

    If a T Elbow is welded whose size 2 " - 10 " . Then your welding would be 10 + 10 + 2 = 22 DI as you have to weld the 2 10" Pipe by Another 10 " and the Other end of Elbow which is 2 " by a 2" Pipe.

     

     Regards

    Jithin

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