Re: STEEL: Cold Regions Specification of A 992

Bill,

Due to the recent development of ASTM A992 steel for high seismic areas it also works well in exposed low temperature situations due to its tighter controls on carbon equivalent, chemistry, and good CVN values.  If you are dealing with extreme low temperature then you may need to consider using ASTM 709 50T or 50S material or ASTM 913 Grade 50 material.  In all cases you will want to specify ASTM A6 Supplemental Requirement S5 to insure you get the CVN values.  You will also want to check on the availably of shapes rolled and delivery schedules.  Some of these steel have very long lead times and may require long waits for special mill runs depending on the shapes you require.

Thomas Hunt, S.E.
Fluor

bill@polhemus.cc 04/30/2009 12:27 PM Please respond to seaint

To <seaint@seaint.org> cc Subject STEEL: Cold Regions Specification of A 992

Does anyone have any opinions about additional requirements when specifying A 992 steel in cold regions like Alaska?

The A 992 spec really doesn't address anything in terms of options, and I don't have sufficient experience with this to know where to start looking. (Gee, it sounds like I don't have much experience in anything, judging from my posting today).

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