Billets are semi-finished steel products with a square cross section usually up to 160mm x 160mm. This product is continuously cast and is then transformed by rolling in rolling mill to obtain finished products like wire rod, merchant bars and other sections.
At SEML, billets are produced using continuous casting process. The molten steel is continuously cast via a tundish into a water-cooled copper mold causing a thin shell to solidify. This ‘strand’ is then withdrawn through a set of guiding rolls and further cooled by spraying with a fine water mist. The solidified shell continues to thicken until the strand is fully solidified. Finally, the strand is cut into desired lengths and these are either discharged to a storage area or to the hot rolling mill. Our annual billet production capacity is 320,000 MT.
Specification specification is as under
Product/ Grade |
Size |
%C |
%Mn |
%P |
%S |
%Si |
Rhombodity |
Billets |
|
MS- Grade (Wire Rod Grade) |
110*110 mm2 |
0.14 max |
0.30 - 0.60 |
As per customer requirements |
As per customer requirements |
Min 0.10 |
6 mm max |
|
|