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moonlight
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Join Date: Jul 2008
Posts: 35

threading,machining

03/30/2011 9:37 AM

why we prefer buttress threading on pipe joint in oil industry rather than other types?
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Tornado
Guru
Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
Good Answers: 795
#1

Re: threading,machining

03/30/2011 10:06 AM

Is this really true? It is the first time I have ever heard of this thread form for pipe threads.

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lyn
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Join Date: Oct 2008
Posts: 42355
Good Answers: 1693
#2

Re: threading,machining

03/30/2011 7:59 PM

Because it is very strong in axial loading and seals well against fluids. Think drill stem.
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
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#3
In reply to #2

Re: threading,machining

03/30/2011 9:10 PM

That makes sense. Too bad we have so many OPs that don't really tell fully what they are trying to do....

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lyn
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Posts: 42355
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#4
In reply to #3

Re: threading,machining

03/31/2011 12:26 PM

I keep looking for the answer to the FAQ that says, "make 'em guess".

Never mind. That implies that they read the FAQ's.
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