Shasan Piping Solution is a well-known trader and manufacturer of ASTM A234 Carbon Steel Butt Weld Pipe fittings. Its name derives from its two-phase microstructure, which contains approximately equal proportions of ferrite and austenite. ASTM A234 carbon steel elbow butt weld pipe fittings maintain optimal properties with approximately a 50/50 balance of ferrite and austenite. https://www.shasanpiping.com/carbon-steel-astm-a234-buttweld-fittings-manufacturers-exporters-suppliers-stockists.html