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FRACTURE TOUGHNESS TESTING EXEMPTIONS PER PARA 841.1.2(a), B31.8

FRACTURE TOUGHNESS TESTING EXEMPTIONS PER PARA 841.1.2(a), B31.8

FRACTURE TOUGHNESS TESTING EXEMPTIONS PER PARA 841.1.2(a), B31.8

(OP)
Para 841.1.2(a) OF ASME 31.8 2010 provides stress level guidelines below which fracture toughness fracture toughness criterion or other method need not be applied. However, succeeding paragraphs (b) Brittle Fracture Control testing and (c) Ductile Fracture Arrest testing seem to be required.  Furthermore, Interpretation 15-5 states these tests are required.  Do paragraphs 841.1.2(b) and (c) and Interpretation 15-5 over ride the testing exemption provided in 841.1.2(a)?  Please help. Thanks.
JRCarmen
 

RE: FRACTURE TOUGHNESS TESTING EXEMPTIONS PER PARA 841.1.2(a), B31.8

You will probably get a better audience in the Pipelines, Piping and Fluid Mechanics Engineering forum.  If you do post there, please put a posting up to close this thread and direct users to the new location.

Steve Jones
Materials & Corrosion Engineer

http://www.linkedin.com/pub/8/83b/b04
 

RE: FRACTURE TOUGHNESS TESTING EXEMPTIONS PER PARA 841.1.2(a), B31.8

(OP)
Steve,
Thank you for your advise.  Consider this thread closed as I have posted my question today on the Pipelines, Piping and Fluid Mechanics Engineering forum.  Thanks again
Jeremy

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