▎ 摘　　要

NOVELTY - The utility model claims an oily heavy anti-corrosion wearable composite coating, comprising a steel substrate, the surface of the steel substrate is plated with a galvanized layer, and the surface of the galvanized layer is coated with graphene epoxy zinc-rich anticorrosive primer; In the utility model, the surface of the steel substrate is orderly covered with graphene epoxy zinc-rich anticorrosive primer, solvent-free epoxy resin anti-corrosion coating and nano ceramic coating, and the graphene epoxy zinc-rich anticorrosive primer, solvent-free epoxy resin anti-corrosion coating and the surface of the nano-ceramic coating is covered with a first grid cloth, the second grid cloth and the third grid cloth, matched with the plastic screw through graphene epoxy zinc-rich anticorrosive primer, the solvent-free epoxy resin anti-corrosion coating and the nano ceramic coating are connected with the screw thread groove corresponding to the steel substrate surface, the steel substrate multi-layer composite anti-corrosion and wear-resisting effect is endowed; and the tightness of multiple composite layers is ensured, and the invention has the advantages of anti-dropping.