Hot Strip Back-up Rolls Application: Back-uprolls for roughing mill and finishing rolls (hot strip mill, hot plate mill, continuous hot strip mill, heavy plate mill). Material: Duplexcast steel, adamite, chromium 3%, chromium 4%, chromium 5% or as per thecustomer`s requirement. Barrel Diameter:1500mm maximum Unit weight: 25mtpc Type: Singlerolls, double pouring cast rolls. Casting: Staticcasting, centrifugal casting, forging Heat treatment: annealing, normalizing, quenching