Manufacturing facilities

Metallurgical coke

The Pig Iron unit commenced commercial operations in 1994 with initial rated capacity of 120,000 tpa for manufacture of Pig Iron with 3 MW captive co-generation power facility. The facility was modernized and expanded in 2004 to a rated capacity of 210,000 tpa of Pig Iron and 11.43 MW captive co-generation of power involving capital outlay of INR 450 million.

Metallurgical Coke making facility has come up at a Greenfield site which is away from the Pig Iron by about 50 km and is well connected by rail and road. The site is located at an equi-distance from major sea ports viz., Krishnapatnam, Chennai and Marmugao. The Bellary-Hospet has a total Metallurgical Coke requirement of 6.5 mtpa including SIL’s own requirement of 0.16 mtpa.

Power generation

Ductile Iron (DI) Pipe

SIL has setup 50 MW power plant partly by utlising the waste heat from the Metallurgical Coke making and partly by thermal route. After meeting the auxiliary load and other captivce needs the company is selling surplus power through bilateral trade and Indian Energy Exchange.

The company has setup as a part of Integrated project, 210,000 Tpa Ductile Iron Pipe making facility. DI pipe making is a forward integration to the existing Pig Iron making. The pipe is manufactured using centrifugal casting and then protective linings are then applied inside and outside to make the pipes corrosion resistant. DI Pipes are extensively used in the water and sewage transportion. By virtue of longvity of life over traditional PSC and Cast Iron pipes, DI pipes are preferred for water transportation.

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