ASME SA354 are used in situations for pressure vessels where strength is a concern. It is typically specified in SA354 Grade BD (BC is also available but is less common in the pressure vessel world).
Technical Threads can supply ASME SA354 grade BD in a variety of configurations, but heavy hex cap bolts and studs are the most common.
A variety of nuts are commonly seen with ASME SA354 grade BD fasteners, including SA563 DH heavy hex nuts, ASME SA194 Grade 2H heavy hex nuts, ASME SA194 Grade 7 heavy hex nuts and ASME SA194 Grade 4 heavy nuts.
Fasteners are typically supplied plain, but a variety of coatings are available per application. Please contact us today.