Continuous casting lines are exposed to extreme temperature and corrosion. For steel mills requiring a universal multilayer solution for the repair of rollers over the full length of the continuous casting line, the submerged arc cored wire/flux overlay combination WEARcore 742N-S / RECORD SK is the best compromise to replace the usage of different wire/flux combinations.
The wire gives a martensitic microstructure, and the chemical elements are balanced to provide optimized average resistance to the common wear mechanisms occurring along the line. A minimum of three layers is recommended to reach the desired weld composition in the top layer.
The combination WEARcore 742N-S / RECORD SK features excellent weldability with flat beads, smooth overlays and excellent slag release characteristics. The wire / flux combination offers the advantage of a repeatable uniform repair procedure all along the continuous casting line. The combination is successfully used by major steel works worldwide for many years, with expected lifetime of reclaimed rollers above 3.5 million tons production output. As an alternative and to reach higher deposition rates you can use our strip / flux combination SOUDOTAPE 430 / RECORD RT 742. The cored wire was extensively tested at Tata Steel in the Netherlands.
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