!!!LD-Verfahren

LD Process (Linz-Donawitz-process), one of the most important 
metallurgic developments of the 20%%sup th/%  century for the 
production of steel out of pig iron by means of oxygen top blowing of 
technically pure oxygen (oxygen lance process). After years of 
preparatory work abroad, the VOeEST started a series of experiments in 
June 1949, headed by T. Suess, H. Trenkler, H. Hauttmann and R. 
Rinesch, which led to the opening of the first LD steel works in the 
world on November 27, 1952 (official opening on January 5, 1953). The 
world-wide acceptance of the LD process went hand in hand with the 
breakthrough in large-scale blast furnace technology and the 
transition from ingot casting to continuous casting. By 1990 about 
60 % of raw steel world-wide was being produced by the LD 
process.

!Literature
40 Jahre LD-Verfahren, in: Berg- und huettenmaennische 
Monatshefte 5, 1992.


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