Recycling of slag can become commercially popular only if leads to a considerable savings in cost. To ascertain it economic analysis was carried out where in the cost associated with recycling of slag was calculated and compared with the market price of equivalent fresh flux. The cost of recycling 100 kg of slag was calculated as shown in Table 7. It was compared with market price of 100 kg of fresh flux. Results show that the cost of recycled slag is approximately 73% less than equivalent fresh flux.