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| Pipe thread strength calculation |  | ||
| Post Reply | Engineering Forum | ||
| Posted by: CostasV ® 02/03/2010, 07:36:05 Author Profile eMail author Edit |
I want to calculate what is the maximum axial force (to yield point) between two steel pipes (with relative large diameter, for example 4") that are connected with pipe thread with a pipe coupling. And to compare the results for the BSPP thread and the NPT. No need for tightness or pressure sealing. Could you help? |
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| : Pipe thread strength calculation -- CostasV | Post Reply | Top of thread | Engineering Forum |
| Posted by: Kelly Bramble ® 02/03/2010, 19:15:58 Author Profile eMail author Edit |
First, you need to determine the thread stress areas of the threades of interest. Then the number threads and total amount of thread stress area. The rest is simply force/area. See http://www.engineersedge.com/mechanics_material_menu.shtml |
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| : : Pipe thread strength calculation -- Kelly Bramble | Post Reply | Top of thread | Engineering Forum |
| Posted by: CostasV ® 02/04/2010, 03:03:06 Author Profile eMail author Edit |
Thank you for your answer.
You mean to calculate as if it was a screw thread? Is there not any special consideration for pipe thread (for example, the quality of the thread or the ovality of the pipe)? Well, I guess I could consider such parameters. Another question: Is there any concentration factor for the stress on the root of the pipe thread? |
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