What is the difference between cold-rolled steel sheets and hot-rolled steel sheets?
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What is the difference between cold-rolled steel sheets and hot-rolled steel sheets? What are the differences in their uses? Are ordinary shims hot-rolled or cold-rolled?
It is generally hot-rolled, with cold-rolled sheets being more common in thin forms.
There are no restrictions when using it. Cold rolling mainly produces thin sheets with a better appearance
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Below 4.5mm for cold-rolled, above 4.5mm for hot-rolled
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Cold rolling is the process of further thinning steel plates to the desired thickness at room temperature, below the recrystallization temperature. Compared to hot-rolled steel sheets, cold-rolled steel sheets have more precise thicknesses, and their surfaces are smoother and more attractive.
Cold-rolled sheets have good surface quality; they are mainly thin sheets and are used in home appliances, instruments, automobiles, etc. Thick sheets are generally hot-rolled, and hot-rolled sheets are primarily used for pressure vessels. In terms of price, cold-rolled sheets are more expensive