ASME SA-516/SA-516M is a kind of carbon steel
widely used for middle or low-temperature pressure vessels.
SA-516 Gr. 485 VS SA516 Gr.70
SA516 Gr.485 and SA516 Gr.70
are same. The difference is its units only. ASME SA-516 Gr.485 is in SI unit while SA516 Gr.70 Grade 70 is in US unit.