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Hot Rolled Vs Cold Rolled Steel - SMLease Design

Manufacturing Temperature

Process of hot rolling involves rolling steel at a temp above recrystallization temp. During the cooling process steel will shrink and the size and shape of the steel will be less predictable. While cold rolling involves at a temp below recrystallization temp (at around room temp). So there is no chance of steel shrinkage


Manufacturing Cost

Hot rolled steel is cheaper to manufacture as compared with cold rolled steel.


Strength

Yield and tensile strength of Cold rolled steel will be higher than hot rolled which makes cold rolled less likely to fracture under pressure


Sheet Quality & Finish

Cold Rolled steel will have closed thickness profile and good surface texture & flatness compared with Hot Rolled Steel. Cold rolled has a smooth and shiny finish while hot rolled has a grey and scaly finish


Available Thickness

Hot Rolled coils are available above 1.60 mm to 10.00 mm thickness & Cold rolled sheets are available up to 0.10 mm to 4.00 mm Worldwide.


Application

Hot rolled steel is used in fabrication work where aesthetics are not important. Whereas cold rolled steel is used where precision work where quality of steel is important factor in final product


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