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Home > Forums > Engineering Codes, Standards & Certifications > Engineering Codes, Standards & Certifications > ASME (mechanical) Code Issues Forum

B31.1 B31.3 material ASTM (A) or ASME (SA)

thread292-319370
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JAYDEE23 (Materials)
3 Apr 12 7:51
I am trying to understand why B31.1 and B31.3 list the material prefix A (ASTM) and not SA (ASME) in thier stress tables. Can someone enlighten me on this a bit please?
stanweld (Materials)
3 Apr 12 8:28
B31.1 "nonboiler external" and B 31.3 are not part of the ASME Boiler and Pressure Vessel Code; thus, the SA materials requirements are not applicable.  

JAYDEE23 (Materials)
3 Apr 12 8:36
Is SA acceptable? Should i be specifying ASTM ONLY on B31.1 B31.3 NBEP work. While specifying SA for BEP (PP stamped)
stanweld (Materials)
3 Apr 12 8:43
SA is acceptable but you may be restricting yourself with regard to materials selection and economies of purchase.

JAYDEE23 (Materials)
3 Apr 12 9:15
First..thank you for your time...Second ...I know its logical that SA is acceptable but can you tell me why or where this is stated.
stanweld (Materials)
3 Apr 12 12:17
For B31.1, review 102.3.1 (C) and 123.1.1 (D).

JAYDEE23 (Materials)
3 Apr 12 12:56
Excellent..My utmost appreciation for the guidance sir!
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