Application of a steel for the outer layer of a casting roll

摘要

The use of a steel of the following composition as a casting roll barrel material is new. The steel has the composition (by wt.) 0.1-0.4 (especially 0.10-0.20)% C, 0.1-0.8% Si, 0.2-0.7% Mn, 2.0-2.9 (especially 2.00-2.65)% Cr, 0.2-0.9 (especially 0.25-0.75)% Ni, 0.5-1.2 (especially 0.5-1.10)% Mo, 0.3-0.7% V, 0.15-0.3% Nb, 0.10-0.3% N and balance Fe.