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Cold-Rolled Coils are commonly used in the steel industry and are different from hot-rolled coils. They are steel strips made by rolling the rolls directly until they have a certain thickness at normal temperature and winding the rolled rolls into complete coils with a winding machine.
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Cold rolling can turn ordinary steel into high-strength wear-resistant steel, high-strength low-alloy steel, high-strength stainless steel, etc. The reason is that cold rolling can rolling refine the crystals of metal and improves its compactness, thereby increasing its hardness, strength and ductility.
Cold rolling can remove internal stresses and improve the reliability and mechanical properties of materials. In addition, due to their high density, cold-rolled sheets are better in terms of quantity and performance compared to rolled strips.
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