... 1/8'--6' Malleable cast iron pipe fittings 1. Product Item: Pipe Fittings, Malleable Iron Pipe Fittings (elbows, tees, sockets, bends ... 2. Thread Standard: British standard, American standard & DIN 3. Pipe Fittings Material: According with GB/T9440 malleable iron, ASTM A ... , colorful galvanized, all be antirust treatment. 6. Pipe Fitting Usage: Suitable for joining pipe lines of water, gas, oil, air.