Hot rolled steel coil is made of slab as raw material, especially con-casting slab. Heated by reheating furnace, descaling by high-pressure water, rolled by rough rolling mill and finish rolling mill, cooled by laminar cooling section, and then curled into coil by down coiler.
Shipbuilding steel generally refers to hull structural steel or shipbuilding and ocean engineering steel. Marine steel plate/coil for shipbuilding is one of the main application products, which is mainly used for manufacturing ocean, coastal and inland ships, fishing boats and ocean engineering structures.
Cold rolled steel coil is a steel produced from hot rolled steel coil through the production process of pickling, cold rolling, annealing, leveling and finishing.
Medium Plate/Heavy Plate is a kind of flat steel with large width-thickness ratio and superficial area.
Hot-dip Galvanized Steel Coil is produced by continuous zinc coating process, that is, the coil sheet is continuously immersed in the zinc-bath, so that the alloy film of zinc and iron is formed on the surface of the coil which can protect the surface from oxidation and it is also used to enhance requirements for visual appearance.
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