Steel is normally produced to meet the specific application-oriented criteria, keeping in view its chemical composition and mechanical properties. However, residuals influence the character of steel, including internal cleanliness, surface finish and the processing conditions used during casting, hot rolling, cold rolling, heat treatment, and final finishing.
For a given application, there may be many variations in steel chemistry from one supplier to another, but there remains a grouping or proportion of non-refinable metallic elements such as copper, tin and nickel, among others, upon which a maximum limit is placed for the best quality results. In the case of Ispat Hi-Q Sponge Iron, all these elements come across in traces only, and its chemical composition by and large, remains consistent, enabling the users to produce the best quality steel.
DRI is an excellent energy efficient substitute
for steel scrap for making special steel at
Conarc furnace to the tune of 30 -35% along with
Pig Iron and contains no tramp elments like Cu,
Sn, Sb, Cr, Pbwhich are harmful to final product
quality. |
