Jul 16, 2008 #1 greg211 Mechanical Jun 15, 2006 12 0 0 KE Hi everyone,i am having problem calculating the wall thickness of a stainless steel pipe of a thick wall pipe (d/t<20) for a subsea application, a subsea manifold to be precise. Please can anyone furnish me with procedure to calculate it?
Hi everyone,i am having problem calculating the wall thickness of a stainless steel pipe of a thick wall pipe (d/t<20) for a subsea application, a subsea manifold to be precise. Please can anyone furnish me with procedure to calculate it?
Jul 16, 2008 #2 BigInch Petroleum Jun 21, 2006 15,161 0 0 GB What's the code, or do you just need a general formula for pressure stress in a thick walled pipe? "If everything seems under control, you're just not moving fast enough." - Mario Andretti - when asked about transient hydraulic analysis http://virtualpipeline.spaces.msn.com Upvote 0 Downvote
What's the code, or do you just need a general formula for pressure stress in a thick walled pipe? "If everything seems under control, you're just not moving fast enough." - Mario Andretti - when asked about transient hydraulic analysis http://virtualpipeline.spaces.msn.com
Jul 17, 2008 1 Thread starter #3 greg211 Mechanical Jun 15, 2006 12 0 0 KE hi BigInch,the code is 31.8 Upvote 0 Downvote
Jul 17, 2008 #4 BigInch Petroleum Jun 21, 2006 15,161 0 0 GB No special provisions for D/t < 20 that I know of, but my coyp of the code is 2002. "If everything seems under control, you're just not moving fast enough." - Mario Andretti - when asked about transient hydraulic analysis http://virtualpipeline.spaces.msn.com Upvote 0 Downvote
No special provisions for D/t < 20 that I know of, but my coyp of the code is 2002. "If everything seems under control, you're just not moving fast enough." - Mario Andretti - when asked about transient hydraulic analysis http://virtualpipeline.spaces.msn.com
Jul 17, 2008 #5 Sid7 Mechanical Nov 13, 2007 56 0 0 GB greg211 why would you use 31.8 for manifold? I would use 31.3 for wall thickness and SIF's and use PD8010 for stress calculations. Siddharth These are my personal views/opinions and not of my employer's. Upvote 0 Downvote
greg211 why would you use 31.8 for manifold? I would use 31.3 for wall thickness and SIF's and use PD8010 for stress calculations. Siddharth These are my personal views/opinions and not of my employer's.
Jul 17, 2008 #6 BigInch Petroleum Jun 21, 2006 15,161 0 0 GB If its on a gas pipeline, B31.8 is a valid choice. "If everything seems under control, you're just not moving fast enough." - Mario Andretti- When asked about transient hydraulics http://virtualpipeline.spaces.msn.com Upvote 0 Downvote
If its on a gas pipeline, B31.8 is a valid choice. "If everything seems under control, you're just not moving fast enough." - Mario Andretti- When asked about transient hydraulics http://virtualpipeline.spaces.msn.com