ASTM A694 F42 ASME B16.5 Flanges ASTM A694 A694M-03 Carbon and Alloy Steel Forgings for Pipe Flanges, FittingsDownload ASTM A694 F42 ASME B16.5 flanges contain carbon, chromium, nickel, silicon, manganese, phosphorus, sulphur, molybdenum and other trace elements in their composition. ASTM A694 F42 flanges are designed according to strict chemical and strength evaluations. They have good tensile strength and excellent corrosion resistance. These flanges also have good mechanical properties including ductility and impact resistance. They are widely used in nuclear power plants, petrochemical, oil and gas industries.