So in reference to B31.3; SA-333-6 is exempted from impact testing if used as the base metal at -50F or higher; in conjunction with the fact that the material specification for SA-333-6 ask for impact testing to be performed. Would this be a correct?
thread794-379767
To determine which curve applies to SA333-6 we have to refer to Fig. UCS-66 [Section VIII Div. 1].
Start of in Curve B since clause 2(c) states “all pipe, fittings, forgings and tubing not listed for Curves C & D below” (since SA333 Grade 6 is not explicitly listed in Curves C...
