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Which area is the cross-sectional area change of LRUT

thread286-472995

Which area is the cross-sectional area change of LRUT

Which area is the cross-sectional area change of LRUT

(OP)
Hi anyone,

Refer to ASTM STD of LRUT, the CSC meaning is..

"cross-sectional area change (CSC)—the change in the circumferential cross-section of pipe from its nominal total cross-section, usually given in percentage"

My question is the CSC is calculated from the cross-section area of the pipe wall only or calculated from OD (Pipe wall area + ID area)?

Thanks for any help.
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RE: Which area is the cross-sectional area change of LRUT



"The earliest work showed that the smallest area of metal loss which LRUT can detect is approximately 3% of the pipe wall cross-section"

see the link below

luis

https://www.twi-global.com/technical-knowledge/pub...

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