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Stewart Iron Works is an American ironworks plant in Erlanger, Kentucky. It is one of the region's oldest manufacturing firms and at its peak was the largest iron fence maker in the world. [1] [2] Stewart's is the second-oldest iron company in continuous operation in the United States. [3]
An iron railing is a fence made of iron. This may either be wrought iron, which is ductile and durable and may be hammered into elaborate shapes when hot, or the cheaper cast iron, which is of low ductility and quite brittle. Cast iron can also produce complicated shapes, but these are created through the use of moulds of compressed sand rather ...
This is a list of the National Register of Historic Places in downtown Houston, Texas. It is intended to be a complete list of properties and districts listed on the National Register of Historic Places in the Downtown Houston neighborhood, defined as the area enclosed by Interstate 10 , Interstate 45 , and Interstate 69 .
More than 100 are in the "Houston Heights" neighborhood whose borders are, approximately, Highway I-10 on the South, I-610 on the North, 45 on the East and Durham on the West. The "inner Harris County" area is defined as the rest of the area within the Interstate 610 loop; "outer Harris County" is defined as the rest of Harris County.
Wrought iron is a form of commercial iron containing less than 0.10% of carbon, less than 0.25% of impurities total of sulfur, phosphorus, silicon and manganese, and less than 2% slag by weight. [18] [19] Wrought iron is redshort or hot short if it contains sulfur in excess quantity. It has sufficient tenacity when cold, but cracks when bent or ...
Cast iron was not useful for items in tension like beams, where the more expensive wrought iron was preferred. Improvements in production saw the costs decrease at the same time as cast iron gained popularity. The puddling process, patented in 1784, was a relatively low cost method for producing a structural grade wrought iron.
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