U.S. STANDARD DIMENSIONS TO ANSI B16.11 MATERIAL : ASTM A-105, A182 GRADES : F304, F304L, F316, F316L CARBON STEEL. GALVANIZ We are professional manufacturer of Pipe fitting and Valve, Welcome anyone who needs these goods, please feel free contact us. Also if there areany special requirement, send us your detailed information, or picture or draw ...