For Each property staying in contrast, the top bar is AISI 321 stainless steel and The underside bar is ASTM A321 carbon steel. Besides the above mentioned, we also have datasheets that depth the mechanical properties and chemical composition of the following stainless steel grades: Observe: The information and data https://madanijayateknik.com/service/detail/round-bar-plate-sheet-pipe-tube-stainless-steel-321-uns-s32100-din-x6crniti18-10-aisi-321-dan-321h-uns-s32109-din-x8crniti18-10-aisi-321h