Steel Authority of India Limited is a holding company. The Company is engaged in the manufacturing of flat products, such as hot rolled (HR) coils, HR plates, cold rolled (CR) coils, pipes and electric sheets, and long products, such as thermo mechanically treated (TMT) bars and wire rods. The Company's segments include Bhilai Steel Plant (BSP), Durgapur Steel Plant (DSP), Rourkela Steel Plant (RSP), Bokaro Steel Plant (BSL), IISCO Steel Plant (ISP), Alloy Steels Plant (ASP), Salem Steel Plant (SSP), VISL, POWER COMPANIES and OTHERS. It also offers rails, structurals, merchant products, electric resistance welded pipes, spiral welded pipes and silicon steel sheets. It operates and owns over five integrated steel plants at Bhilai, Durgapur, Bokaro, Rourkela and Burnpur, and approximately three special steel plants at Salem, Durgapur and Bhadravati. Its unit, Chandrapur Ferro-Alloy Plant (CFP), produces ferro-alloys. It also has SAIL Refractory Unit (SRU) at Bokaro.