Anvil 3/8 in. Galvanized Steel 10 ft. L Pipe3 8" x 10', Galvanized, Domestic Steel Pipe. Anvil International is one of the largest and most complete manufacturers of pipe fittings, pipe hangers and piping supports systems in the world. For more than 150 years, Anvil has provided the highest quality pipe products and services with integrity and dedication to superior customer service. The company offers expertise and product solutions for a wide range of applications, from plumbing and