Turkish steel giant OYAK Metal Mining’s integrated flat and long product producer Isdemir has announced that as part of its energy efficiency-oriented investments, it has completed the modernization works of coke battery No 3 and commissioned the battery. Isdemir produced the first coke production in coke battery No 3, which has an annual capacity of 500,000 tonnes. The battery is designed to operate with coke gas and mixed gas.OYAK Mining Metallurgy's companies Iskenderun based Isdemir, the cornerstone of the Turkish industry, is 51 years old and is largest integrated plant capable of producing long and flat steel at the same time. It has production capacity of 5.8 million tonnes per year of liquid steel, 3.5 million tonnes year of flat products, 0.6 million tonnes per year of coil and 2.5 million tonnes per year of billet. In addition to billets, coils, hot rolled coils and slabs, Isdemir also produces by-products such as coke, oxygen, nitrogen, argon, ammonium sulfate, granulated slag, tar and benzol. OYAK’s companies in the field of Mining Metallurgy are consisted of Erdemir, İsdemir, Erdemir Maden, Ersem, Erdemir Mühendislik, Erdemir Romania, Erdemir Asia Pacific, Erdemir Enerji and Ilgaz companies, and are among the sector organizations with highest employment in Turkey with approximately 11,548 employees. With 8.530 million tonnes of raw steel production, OYAK’s Mining Metallurgy Companies realized 24% of the total raw steel production of Turkey in 2020.