Seeking advice on elbow wall thickness
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In the single-line diagram, the elbow is described as a 90 Degree Elbow with a long radius of R=1.5D; it meets the standards 20 GB/T9948, 150SMLS, BW, GB/T 12459(I) and GB/T 13401, with S-80 specification. What is the wall thickness in mm for an elbow specified as S80? Is there also a reference table available?
10.97 Last page of GB/T12459-2005.
S80 is an abbreviation; it should be written as Sch80, representing a class of wall thickness grade rather than a specific thickness. For details, see the description on the 3rd floor; there are many things that one needs to learn on their own*. You can find the specific standard numbers in the descriptions of the pipe fittings, such as GB12459, etc. You might as well read through these standards first to get an idea, and then ask if you still don’t understand anything. This way, it can be mastered faster. Without the process of self-study and by asking directly, even if an answer is obtained, one only knows the fact without understanding why it is so.
It is also available in ANSI B36.10 or ANSI B36.19.GB/T12459-2009. There are calculation formulas for both standard ones and those with elbows. Discussion on oil pipelines and skid-mounted equipment; feel free to contact me, Chuan You
Take a look for yourself at the table that compares pipe specifications with wall thickness grades; you can find the corresponding wall thickness there. . .
The description you sent does not include the specifications; it is necessary to find out those specifications and then check them against the standards