Nanolayer Degradation Deposits on Cold Rolled Steel Strip: The Influence of Rolling Oil Emulsions in Sequential Oxidative and Reductive Environments. Cold rolled steel strip, produced by BHP Steel, is a precursor material for production of internationally recognised Australian products ZINCALUMER Steel and COLORBONDR Steel. Lubricating oils supplied by Quaker Chemical are used during the cold rolling process. When exposed to the direct fired annealing process, nanolayer surface residues can de ....Nanolayer Degradation Deposits on Cold Rolled Steel Strip: The Influence of Rolling Oil Emulsions in Sequential Oxidative and Reductive Environments. Cold rolled steel strip, produced by BHP Steel, is a precursor material for production of internationally recognised Australian products ZINCALUMER Steel and COLORBONDR Steel. Lubricating oils supplied by Quaker Chemical are used during the cold rolling process. When exposed to the direct fired annealing process, nanolayer surface residues can develop from rolling oil films and adversely affect subsequent steel surface wetting by the molten zinc alloy. This collaborative research project will investigate the fundamental nature of nanolayer residue formation, using advanced thermal and surface analysis techniques, with the aim of determining the factors influencing residue formation and reducing their impact.Read moreRead less