News

Core Content:

Process and Appearance: Hot rolling is a high-temperature rolling process, resulting in a surface with iron oxide scale (rolling scale), appearing grayish-black; cold rolling involves precision rolling at room temperature based on hot-rolled sheets, resulting in a smooth surface and high precision.

Performance and Cost: Hot-rolled sheets have good toughness and relatively lower strength, offering a price advantage; cold-rolled sheets have precise dimensions, good surface quality, high strength, and better processing performance, but at a higher cost.

Export Selection Suggestions: Hot-rolled sheets are preferred for heavy structures, ships, and truck frames; for applications requiring high surface quality and precision, such as automotive body panels, appliance panels, and high-end furniture, cold-rolled sheets or their processed products (such as galvanized or color-coated sheets) should be chosen. As a buyer, clearly stating the final application will help us recommend the most cost-effective base material for you.