Profile: Goyal Dhatu Udyog Pvt. Ltd. specializes in pipes, pig iron, steam coal, all types of scraps, foundry material, pig mold, cast iron and ferrous alloys. Our pig iron is the intermediate product of smelting iron ore with coke, with limestone as a flux. Our cokes are the solid carbonaceous material derived from destructive distillation of low-ash, low-sulfur bituminous coal. Fossil fuel consisting of carbonized vegetable matter is deposited in the carboniferous period.