Malleable iron pipe fittings a197 fittings can be produced in 3 thread standards: ANSI Standard Malleable Iron Pipe Fittings/BS Standard Malleable Iron Pipe Fittings/DIN Standard Malleable Iron Pipe Fittings Surface: black malleable & Galvanized malleable Products: Elbows, Tees, Union, Sockets, Flanges, Caps, Plugs, Hexagon Nipples, Crossover, Crosses, Bushing, Backnuts, Bends https://archpipes.com/products/malleable-iron-pipe-fitting/