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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 ...
Headboards are also frequently used on heritage railway line services to denote special trains, the name of the railway, a locomotive's anniversary, or events. Common practice in the UK is to display the headboard on the front of a locomotive (temporarily attached, to denote the name of the train or other purpose), and to have the nameplate of ...
The headboard is a piece of furniture that attaches to the head of a bed. Historically used to isolate sleepers from cold, modern use is chiefly for aesthetics or for ...
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.
The Queen Class was Joseph Armstrong's last class of 2-2-2 express engine for the Great Western Railway, larger than the Sir Daniel Class of about a decade earlier. They worked express trains for almost 30 years, and were in effect the predecessors of the larger Singles of William Dean.
One example is the American 3 in (76 mm) wrought-iron, muzzle-loading howitzer, used during the American Civil War, which had an effective range of over 1.1 mi (1.8 km). Another is the smoothbore 12 pounder Napoleon , which was renowned for its sturdiness, reliability, firepower, flexibility, relatively light weight, and range of 1,700 m (5,600 ...
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