ASTM A320 is used in low-temperature applications, these are available in various types, like stud bolts, heavy hex bolts, and hex bolts which are forged or not forged. This standard covers rolled, forged, or strain-hardened bars, bolts, screws, studs, and stud bolts used for pressure vessels, valves, flanges, and fittings. The main applications and areas where this is used are in pipelines, valves, pipe fittings, and flange joints in the piping application. These are generally manufactured similarly to A 193 and are available in 8UN threads from 1" diameter and above.
