Hot and cold rolled steel: differences and advantages
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Do we know why it is sometimes called hot rolled steel and in others cold rolled steel? We discover the main differences and advantages between one and the other.
In the previous blog post, we talked about the &#;Differences between galvanized steel and stainless steel&#; while in the post Today's blog we want to highlight the Differences and advantages of hot and cold rolled steel.
El azero hot rolled It is the milling process, where the laminate goes through the forming process at high temperatures, normally at 926ºC. This process consists of heating and pressing the steel using industrial rollers, who They aim to manipulate steel. Thanks to this process, it is easier to shape, unlike cold rolling. It is ideal for manufacturing large parts.
It is also cheaper to manufacture than cold rolled, because it requires fewer treatments. Although the price will always vary depending on the specifications. Furthermore, it is manufactured without any pause or delay, so does not need to be reheated.
Reduces costs and energy consumption.
Greater moldability and machinability.
Handles large pieces with a variety of shapes.
Improves the performance of metals.
El azero cold rolled is the steel that enters through the hot rolling process but continues to go through more transformations. When the steel cools, it goes through another process at room temperature, where it recrystallizes.
Being manufactured at such a low temperature, no need to worry about the volume or de the shape, as in the case of hot rolling.
Greater tension, resistance and elasticity.
Enhances its properties.
Great dimensional tolerance.
Greater moldability and machinability.
High quality, smooth, uniform and shiny finishes.
Increases the useful life of the product.
Some advantages of cold rolling are the same as those of hot rolling. You know why?
Because, as we have mentioned before, cold rolling is the same as hot rolling but it has gone through an additional forming process.
The main difference between hot and cold rolled steel is that the manufacturing process is generated differently. using the same steel.
The appearance of hot rolling is a rough surface, the edges are rounded, and the distortions are slight. On the other hand, the appearance of cold rolling is es a smooth surface, with a greasy feel, sharp edges, closer tolerances and better uniformity.
We already told you some things in our blog &#;The different applications of steel in everyday life&#;, but now we go into more detail.
Hot rolled steel is often used in structural projects, As:
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metal buildings
Tires
Train track rails
Frames and other parts of heavy vehicles
Building structures
Water heaters
Anchors
Other uses that do not require precise shapes
On the other hand, cold rolled steel is usually used for elements with more detail and more demanding finishes, As:
Machinery parts (bolts, pinions, gears...)
Appliance
Metal furniture
Chairs
Cabinets
Tables
Water heaters
Exhaust pipes
Shelves and other similar products
Choose hot or cold lamination It will depend on how you are going to use it..
If the product you want to manufacture is large and requires forming several shapes, hot rolled steel is ideal.
On the other hand, if you want To manufacture a small product that requires a lower tolerance and longer life, we recommend cold rolled steel.
In case of any doubt, it is Better to contact specialists, such as Ferros Texar, so that we can help you with a specific case.
If you want to learn more, please visit our website Hot Rolled Stainless Steel Coil.