OJSC Nizhniy Tagil Iron and Steel Works (Russian: ОАО «Нижнетагильский металлургический комбинат», Nizhnetagilsky Metallurgichecky Kombinat) is a Russian steel manufacturer.

The company is located in the Ural Mountains, in the city of Nizhniy Tagil, in Sverdlovsk Oblast.

The city has been a steel-making center for centuries, and the company's website boasts a long historical association with the industry.

Large-scale steel manufacture began in 1725, at the end of the reign of Peter the Great.

The company has pioneered the blast oxygen process of steelmaking and according to its website, it has the world's largest H-beam manufacturing facility.