The differences between hot rolled steel and cold rolled steel relates to the way these metals are processed at the mill and not the product specification or grade.
Cold rolled steel sheet metal properties.
Hot rolled steel involves rolling the steel at high temperatures where cold rolled steel is processed further in cold reduction mills where the material is cooled followed by.
Carbon steel expanded metal is a sheet that has been slit and stretched into a solid non raveling mesh with diamond shaped openings.
For pricing and availability.
The thickness of the hot rolled strip is important in that the properties of the final cold rolled and annealed product is influenced by the percent of cold reduction.
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.
Hot rolled steel properties.
As it is easy to form metal in high temperatures without any extra delays it is possible to produce it in larger quantities than cold rolled steel.
Cold rolling makes it possible to produce thinner steel sheets less than 0 8 1 0 mm which so far cannot be produced by hot rolling mills.
This is known as normalising.
Cold rolled carbon steel expanded sheets.
When steel is formed by press braking or cold rolled forming there is a change in the mechanical properties of the material by virtue of the cold working of the metal.
Cold rolled steels are available in thicknesses from 0 015 0 135 in.
Hillman 6 in x 18 in cold rolled steel solid sheet metal.
This means that the thickness of each hot rolled coil is carefully controlled to provide the mill with a specific thickness to achieve the proper percent cold reduction.
0 381 3 429 mm and widths to 80 in.
Cs type b.
It is available in a galvanized finish to provide corrosion resistance and additional strength.
2032 mm depending on dimensions and product quality.
When a steel section is cold formed from flat sheet or strip the yield strength and to a lesser extent the ultimate strength are increased as a result of this cold working.
The steel cools at room temperature.
This keeps the market price of hot rolled steel lower.
Ds type b.