Our black malleable iron fittings are leak-proof tested and feature precisely machine-tooled threads for easy connections to natural gas, propane, oil, and air applications. These 150 class malleable iron pipes are 100% quality inspected and industry certified, with inserts that reduce the size of a pipe or fitting by connecting to the female threaded end. Malleable iron fittings and pipes are ideal for a wide range of DIY projects, creating an industrial look in any home.
