High Phosphorus Pig Iron as Sacrificial Anode for Cathodic Protection of Underground Mild Steel Structures

Non-Confidential description of the invention

The present invention relates to a metallurgical pig iron. This invention further relates to sacrificial anode for cathodic protection of underground steel pipelines. Object of the invention is to propose a suitable material that is environment friendly while providing the cathodic protection. Invention provides a pig iron / cast iron comprising, phosphorus 1.1-2.5 wt%, carbon 3.1-4.2 wt%, manganese 0.45-0.95 wt.%, silicon 1.5-2.5 wt.%, sulfur 0.025-0.04 wt.% , inevitable impurities and Fe as balance, and blow holes generated over surface of the said pig iron/cast iron.


Mr. Nisheeth Kumar Prasad(Student,MSE), Dr. Kallol Mondal (MSE), Mr. Sanjay Choudhary (Tata Steel), Dr. Saurabh Chatterjee (Tata steel), Dr. Saurabh Kundu (Tata Steel)



Date of Filing



Date Of Grant


Scroll to Top