1. Origins of steel for castings. What is the primary source of steel for (a) continuously cast slab and (b) billet? Use the Sankey diagram for steel (Figure 13.2) to find out. 2. Origins of scrap...

1. Origins of steel for castings. What is the primary source of steel for (a) continuously cast slab and (b) billet? Use the Sankey diagram for steel (Figure 13.2) to find out.

2. Origins of scrap steel. Which stage in the processing of steel from pig iron and recycled scrap to end products generates the most scrap? Use the Sankey diagram for steel (Figure 13.2) to find out.