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Firth Brown Steels
Firth Brown Steels was initially formed in 1902, when Sheffield steelmakers John Brown & Company exchanged shares and came to a working agreement with neighbouring company Thomas Firth & Sons. In 1908 the two companies came together and established the Brown Firth Research Laboratories and it was here, in 1912, under the leadership of Harry Brearley they developed high chrome stainless steel. The companies continued under their own management until they formally merged in 1930 becoming Firth Brown Steels. The company is now part of Sheffield Forgemasters.
== History of John Brown and Company ==
John Brown founded his company in the 1840s to manufacture steel files. Over the years the emphasis moved to the manufacture of railway track, made from steel provided by the new Bessemer process, and later to rail coach springs. Shipcladding and shipbuilding interests came into the company portfolio and finally, in the 1950s, general construction.
Following an eight-year role in successfully selling files and cutlery around the world in 1844, John Brown started in his own right a steel-making company in Orchard Street, Sheffield, on the site of the present Orchard Square shopping development. There was no room for expansion on the site and his second works was opened in Furnival Street, a short distance away. Business expanded rapidly and more new premises were needed, this time in Holly Street, just over the road from his original works. Having works scattered throughout the city centre area made for production problems and because of this, on 1 January 1856, he opened a totally new works on a single site on the edge of the town, in Savile Street which he named Atlas Works.
In 1846, whilst still at Orchard Square, he invented the conical railway buffer and became a market leader in the United Kingdom. Once settled on the new Atlas Works site he decided to make use of the steel puddling process. Whilst the steel produced by this method is not of the high quality which was being made by the crucible process, it was ideal for making railway springs and buffers and, importantly, cheaper to produce.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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