Therefore a sheet of steel processed by a single pass through a roller.
Difference between hot rolled and cold rolled steel sheet.
Hot rolled steel is used in situations where precise shapes and tolerances are not required.
Hot rolled steel is easier to make to shape and form.
All of ours ub uc pfc rsa flats are hot rolled whereas shs chs rhs that we provide are cold rolled structural steel.
Cold rolled steel is essentially hot rolled steel that has had further processing.
One key distinction among prefabricated steel products is the difference between hot rolled versus cold rolled steel.
Cold rolled steel is stored and sold in coiled form after rolling.
In size as well the hot rolled and the cold rolled steel are different.
As an example a hot rolled steel product may have a yield strength of 235 mpa.
As noted in an earlier post different types of steel undergo a wide range of processes to achieve the proper physical properties many people have heard that there s a difference between hot and cold rolled steel but don t understand what how the production of hot rolled or cold rolled steel is different from one another what industries and applications hot rolled and cold rolled serve.
Whereas cold rolled steel sheets are used for precision and quality fabrication work for example consumer electronics and telecom products metal furniture automobile industry etc.
In comparison a cold rolled steel product with the same chemical composition has a yield strength of 365 mpa.
Finished product in hot rolled steel has oxidized steel layer but the finished product of cold rolled steel is unoxidized.
Hot rolled steel is more malleable allowing it to be forced into a variety of different shapes.
Thus the yield strength of cold rolled steel is higher than that of hot rolled steel.
Cold rolling cannot reduce the thickness as hot rolling does.
The rolls induce plastic deformation.
The steel is processed further in cold reduction mills where the material is cooled at room temperature followed by annealing and or tempers rolling.
Steel comes in many grades specifications shapes and finishes the world steel association lists over 3 500 different grades of steel each with unique properties.
For example railway track automotive frames structural frames low accuracy sheet metal parts etc.
Hot rolled steel sheets are used in fabrication work where aesthetics and quality are not very important.
The hot rolled steel comes in plus minus 0 01 inches or even more than that.
Hot rolled steel has so many shapes but cold rolled steel has few shapes.
It is also used to produce sheet metal.
The various types mean that steel can by widely used in infrastructure appliances vehicles wind turbines and many more applications.
Cold rolled steela rolling process at temperatures that.
This makes hot rolled steel a good choice for the manufacturing of structural components such as i beams or simple cross sections such as rail tracks.
On the contrary the cold rolled steel comes in less than 0 01 inches.
