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SA 194 Grade 7 Nuts

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BJaffa

Industrial
Joined
Nov 5, 2002
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27
Location
US
B31.1 Table A-2 lists SA 194 Grades 3,4 & 7. The referenced note (10) describes temperature limits for only Grades 3 & 4. What can we assume for Grade 7. We are designing for 825F. I have looked back 10 years and the note is the same. Is it ever appropriate to assume a "mistaken omission"?
























 
See ASME SecII A or ASTM.
 
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