Visakhapatnam Steel Plant, popularly known as Vizag Steel is an integrated steel producer in Visakhapatnam, India built using German and Soviet technology.

The Plant was conferred Navratna status on 17 November 2010. Founded in 1971, it focuses on producing value-added steel, with 214,000 tonnes produced in August 2010, out of 252,000 tonnes total of salable steel produced.

It is the largest single site plant in India and Asia Minor (or south and East Asia combined). It is the only Indian shore-based steel plant and is situated on 33,000 acres (13,000 ha), and is poised to expand to produce up to 20 MT in a single campus.

Infrastructure
• Coke Ovens and Coal Chemical Plant
• Sinter plant
• Blast furnace
• Calcining and Refractory Material Plant
• Steel Melt Shop and Continuous Casting
• Light and Medium Merchant Mill
• Medium Merchant and Structural Mill
• Wire rod mill
• Steel melt shop
• Thermal power plant

Coke Ovens and Coal Chemical Plants

Functions
• Coke Dry Cooling Plant
• Coke Chemical Plant (CCP)
• Gas Condensation Section
• Ammonium Sulphate Section
• Final Gas Cooling and Napthelene Washing
• Benzol Recovery
• Dry Purification Unit
• Tar Distillation Plant

Capacity
Production capacity (for 3 Batteries) - 2.635 Mt of Gross coke per annum (2.261 Mt of BF Coke per annum)

Salient Features
Largest and technologically unique Coke Oven Batteries in the country at the time of commissioning.
7 metre tall coke ovens batteries
Selective crushing of coal to improve the coke quality
100% Dry Quenching of coke using Nitrogen gas
Power generation, from the waste heat recovered, at BPTS (Back Pressure Turbine Station).

Facilities
There are 4 batteries, each having 67 ovens.
The volumetric capacity of each oven is 41.6 m3.
Dry Coal charge /Oven is 32 tons.

Commissioning Dates
Battery No. 1 - 1st Pushing - 06.09.1989.
Battery No. 2 - 1st Pushing - 31.10.1991.
Battery No. 3 - 1st Pushing - 30.07.1992.
Battery No. 4 - 1st Pushing - 12.04.2009.