Slab and Hot Rolled Coils Re:25925. 25925. This is a fully working Mini Mill from Scrap Melting to finished product. It was designed to produce two separate products and incorporates the use of three (3) Casters to do so. The products and Casters being used are as follows: 1.) Hot Rolled Coils up to 1560mm wide x up to 16mm thick in 28 ton coils.