I'm using a 1/2" 13 UNC 304 SS hex bolt (SA193-B8) with a Monel nut (SB-164) to tighten a 316L ss 10" sanitary high pressure clamp that is installed on a vessel. We are torquing the bolt assembly to 40 ft-lbs. The 316L SS vessel is heated to 80 deg C, and after reaching ambient temperature the...