In April 1918, after the attack of German-Austrian troops, most of the equipment and materials of the Yuzovsky plant were evacuated to Tsaritsyn (Volgograd), and detachments of workers retreated with the Red Army.
On May 24, 1918, the plant was nationalized.
In May 1918, during the German occupation, an underground organization of the Russian Communist Party bolsheviks or the RCP(b), led by E. Severyanov, began operating at the plant, and in July 1918 an underground regional committee of six members began operating at the plant.
In December 1919, Soviet power was restored in Yuzovka, on January 30, 1920, a workers' board of all enterprises of the former "Novorossiysk Society of Coal, Iron and Rail Production" (headed by M. S. Titov) was created in Yuzovka, and the restoration of the plant began. On July 6, 1921, the first blast furnace was launched again, by the end of 1921, production at the plant was restored.
In 1924, the plant was named after Joseph Vissarionovich Stalin.
During Industrialization in the Soviet Union, the plant was transformed into a new technical base. During the First Five-Year Plan, mechanization of the mill and a bunker system for blast furnace charging were introduced and technical renovation was initiated; in 1936 the reconstruction of the mill and the construction of the flat furnace mill were completed, the plate and profilerolling mills were mechanized and a new, powerful blooming mill replaced the old rail-rolling mill.