Duplex stainless steel S32760 1.4501 Zeron 100 heavy hex nut
S32760 Heavy hex nuts are slightly larger and thicker than standard (finished) hex nuts. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts.
The Heavy Hex Nuts supplied with the super duplex stud bolts are produced from ASTM A276 UNS S32760 Condition A (Solution Annealed) material. The nuts are produced by drop forging followed by solution annealing at 1120¡ãC and water quenching. The thread is produced by machining ¨C UNC (Unified Coarse Thread to ASME B1.1) thread for nuts up to 1¡å and UN8 (Unified 8 Thread to ASME B1.1) thread for nuts larger then 1¡å. Grade SA heavy hex nuts are used for all 3 grades of stud bolts FLT, FG and SA