This economic growth was greatly boosted during the two decades preceding World War I when large integrated steelworks, able to convert cast iron into steel and rolled steel, were constructed. Steel production surged from 145 313 tonnes in 1900 to 1,115,004 tonnes in 1913, and steel-making accounted for around 60% of total industrial employment in Luxembourg before World War I.
This economic expansion was greatly accelerated during the two decades preceding World War I when extensive, integrated steel plants were erected. Steel production surged from 145,313 tonnes in 1900 to 1,115,004 tonnes in 1913, and steel production represented approximately 60% of total industrial employment in Luxembourg prior to the war.