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Code Case 1280 Gr 70 FBX?

Code Case 1280 Gr 70 FBX?

Code Case 1280 Gr 70 FBX?

Got a U-1 from 1963 listing Code Case 1280 Gr 70 Firebox for MOC. Can't seem to find really any info on it. Anyone know if that's equivalent to say... A-515-70 for impact properties?


Nathan Brink

RE: Code Case 1280 Gr 70 FBX?

If you want a definitive answer, I would contact the National Board and obtain the actual code case to review and determine.

RE: Code Case 1280 Gr 70 FBX?

Sigh... I suspect that's what I'll end up having to do.


Nathan Brink

RE: Code Case 1280 Gr 70 FBX?

Another great resource is the main Houston Public Library.

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