The restoration of the plant began immediately after the end of the battles for the city, and on February 14, 1944, the plant carried out the first steel smelting from the flat furnace; in March 1944, the rolling mill and the first blast furnace were put into operation; between 1944 and 1946, the enterprise was awarded the Red flag ten times by the Soviet Defense Committee for the successful restoration of the facility.
In 1950, the plant returned to prewar levels of steel production and rolled metal production.
In 1952, the plant was the first in the world to implement a steam evaporation system for cooling flat furnace elements, the development and implementation of which earned two employees of the plant the Stalin Prize.
The plant also specialized in the production of strip valve profiles and spring strips for Pobeda cars in the Fourth Five-Year Plan.
In 1955, the Museum of the History of the DMZ (DMP) was opened.
In 1960, a four-jet continuous casting machine for steel blanks was put into operation at the plant. Also, in 1960, the plant, among the first enterprises of the USSR, mastered the smelting of iron on natural gas (for this achievement, the director of the plant I. M. Ektov and the head of the blast furnace shop of the plant G. A. Panev were awarded the Lenin Prize in 1960).
February 7, 1966 the plant was awarded the Order of Lenin.
In 1967, the plant received a new name: “named after V. I. Lenin.”
In 1970, the plant produced 5.9 times more iron, 5.3 times more steel, and produced 5.5 times more rolled metal than in 1913. Also, in 1970, the Living Memorial was built - immortal, in honor of the workers of the DMZ who died in the Great Patriotic War.
In 1972, the plant was awarded the Order of the October Revolution.
In 1974, a swaging mill 950/900 was built at the plant.
From the early 1980s, DMZ'smain products were rolled bars and rolled sheets of cast iron, steel, high-grade and alloy steel.
By early 1986, the plant was one of the largest industrial enterprises in Donetsk, whose main products were steel, cast iron, sheet metal and long products.