Tube mill entry machines improve steel processing

The demands of today’s global marketplace can put as much pressure on a business owner as a resistance welder puts on coil ends to create a join with electric current. Fortunately there is one equipment maker who has been at the top of the manufacturing world for more than half a century ? Guild [...]

Building America and Making Steel: The Bessemer Process

The Bessemer process of steel making was the first low cost industrial process for the mass-production of general steel (http://www. gensteel. com/general_steel_buildings_churches. htm) from molten pig iron. Its inventor, Henry Bessemer, took out a patent on the process in 1855. The process was also independently figured out in 1851 by William Kelly. [...]

General Steel Making: The Cementation Process

The cementation process is a now-obsolete technique for making steel with the carburization of iron. Unlike modern steelmaking it increased the amount of carbon in the iron. It was apparently developed before the 17th century. The process probably originated in Bohemia in the 16th century and was in use in Bavaria in [...]