ASTM A860 carbon steel concentric reducers are high PREN, high alloy super duplex stainless steels suitable for use in harsh environments.Shasan Piping Solution is one of the well-known distributors and traders of ASME SA 860 carbon steel cross-butt welded pipe fittings featuring ferritic austenitic microstructure.Shasan Piping Solution is a well-known stockist and manufacturer of AST... https://www.shasanpiping.com/carbon-steel-astm-a860-buttweld-fittings-manufacturers-exporters-suppliers-stockists.html