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Cast iron pipe was superseded by ductile iron pipe, which is a direct development, with most existing manufacturing plants transitioning to the new material during the 1970s and 1980s. Ductile iron pipe is different than cast iron, because the introduction of magnesium during the casting process causes the graphite to form spheres (graphite ...
American Cast Iron Pipe Company at the Stuart A. Rose Manuscript, Archives, and Rare Book Library Historic American Engineering Record (HAER) No. AL-35, " American Cast Iron Pipe Company, 1501 Thirty-first Avenue North, Birmingham, Jefferson County, AL ", 2 photos, 3 data pages, 1 photo caption page
McWane, Inc. is one of the world's largest manufacturers of iron water works and plumbing products and one of America's largest privately owned companies. [1] The company manufactures a host of different products including ductile iron pipe and fittings, cast iron soil pipe and fittings, heavy duty couplings, utility poles, network switches, monitoring equipment and related products. [2]
Many cast-iron pipes installed over a century ago have joints of jute sealed with lead that deteriorate over time and are often the causes of cast-iron pipe failure. [2] Jute was an effective joint sealant when the pipes carried coal-based town gas, but natural gas, used since the 1950s in New York [3] and the 1970s in the UK, [citation needed] dries out the jute.
The company studied the merits of producing plastic pipes, encouraged by the alteration of building codes to accommodate plastic pipes, opened a facility to produce them in 1967 in Union County. [1] In 1992, the firm began producing industrial plastics. [2] In 2022 the company purchased Neenah Foundry, an iron castings firm based in Wisconsin. [3]
It is one of the largest manufacturers of ductile iron pipes in the Indian sub-continent, having a production capacity of 280,000 MT per annum. [4] [5] [6] Electrosteel was the pioneer in setting up a Ductile Iron Spun Pipe Plant in India in 1994 and is among the five largest producers of Spun Iron pipes in the world. [7] [8]