Hot rolling, the process used to make hot rolled steel, involves rolling steel at high temperatures (typically over ˚F). These high temperatures are above steel&#;s recrystallization temperature, allowing the steel to be easily shaped, formed, and made in larger sizes. As it cools, hot rolled steel tends to shrink non-uniformly, giving less control on the size and shape of the finished product when compared to cold rolled steel.
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Hot rolled steel tends to have a scaly finish which can be removed by pickling, grinding, or sand-blasting. This steel is essentially normalized, meaning free from internal stresses that can arise from quenching or work-hardening processes, because it is allowed to cool at room temperature. Other properties may include:
Hot rolled steel tends to be cheaper than cold rolled steel because it is manufactured without any delays in the process and does not require reheating like cold rolled steel. It is also essentially normalized as it is allowed to cool at room temperature; this means it&#;s free from internal stresses that can arise from quenching or work-hardening processes.
One of the many differences between hot and cold rolled steel is price. Hot rolled steel tends to be cheaper than cold rolled steel because it is manufactured without any delays in the process and does not require reheating like cold rolled steel. It can be used in applications where precise shapes and tolerances are not required, such as:
What are the common uses of cold rolled steel?
Construction parts
Production machinery
Metal furniture and home appliances
Automotive industry
Manufacturing industry
Other uses
Not all metal fabrication processes involve heating steel above its recrystallization temperature. For instance, cold rolling is done at room temperature. It should come as no surprise that rolling and forming steel at normal temperatures requires more pressure. However, because cold-rolled steel is processed considerably below the temperature at which steel recrystallizes, it has a number of advantages. Below we discuss the common uses of cold rolled steel. But first, let&#;s look into what cold rolled steel is, how it is formed, and what are the advantages of cold rolled steel over hot rolled steel.
Cold rolled steel is a type of steel processed without the use of heat. Steel that is cooled on its own is subject to a physically-intensive process. In contrast to hot rolling, which is used to make hot rolled steel, cold rolling can only take place when a steel is below its re-crystallization temperature.
Cold rolling is done at room temperature. Mechanical stress is utilized to alter the structure of metal instead of heat. The strength of the steel can then be increased by up to 20% through strain hardening, which can also enhance the metal&#;s surface quality.
During the cold rolling process, when the metal is put under mechanical stress, it causes a permanent change to the crystalline structure of the metal. This causes an increase in its strength and often improves corrosion resistance.
Along with improving its surface finish, another advantage of cold rolling is better dimensional accuracy. This process is ideal for steel products that need to be fabricated with extremely tight tolerances.
Given the many advantages of cold rolled steel, it is used in numerous applications, such as garages, steel sheds, home appliances, plumbing fixtures, packing materials, aerospace components, and production machinery.
Below are the common uses of cold rolled steel:
In the construction industry, cold rolled steel is commonly used for manufacturing beams, columns, built-up sections, floor decking, and other essential metal components.
In addition, it is used in different construction projects such as grain bins, railways, bridges, storage racks, sheds, drainage facilities, roofing and wall systems, buildings, garages, and more.
Cold rolled steel is tested and proven to be potentially strengthened by up to 20%. In addition, cold rolling offers high stamping performance, excellent mechanical properties, and low yield strength.
Cold rolled steel can also be easily cut, punched, drilled, bent, and formed with good results. For all these benefits, cold rolled steels are heavily used in making production and industrial machinery in the Philippines.
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Due to its mechanical stress procedure, cold rolled steel displays a smooth and sturdy surface. It can also be rolled thinner by up to 50%, which makes it ideal for metal furniture and home appliances manufacturing. It does not only guarantee you longer service life, but it also offers a more visually appealing and aesthetic appearance.
At Regan Industrial Sales, Inc. (RISI), our standard cold rolled steel products in the Philippines can be found in washing machines, dryers, refrigerators, microwave ovens, electric fans, office filing cabinets, school lockers, and more.
Steel is a common part of the automotive industry. Cold rolled steel, in particular, is more commonly used over hot rolled steel due to its wear-resistant and shockproof qualities.
In this type of industry, cold rolled steel is utilized to manufacture load-bearing elements of vehicles and cars. Additionally, it can also be used to manufacture automotive seat parts, electric motors, fuel tanks, and more.
In the manufacturing industry, cold rolled steel is also a widely used steel material. Below are the following common cold rolled products:
Steel coil &#; a finished, thin, and flat steel sheet or strip referred to as cold rolled steel coil.
Steel tube &#; a steel piping with a hollow length and section known as a cold rolled steel tube.
Steel sheet &#; a thin, flat, and rectangular metal sheet called cold rolled steel sheet.
Painted steel &#; cold rolled steel has excellent paintability and formability, which is why it&#;s the base metal of various steel products like galvanized steel.
Finally, the uses of cold rolled steel are not limited to the above. It can also be used in many other applications. Here&#;s the list for your reference:
Plumbing or lighting fixtures
Aerospace parts
Packing materials
Conveyor systems
Hardware accessories
Exhaust pipes
Toolboxes and other metal containers
Precision instruments
Tables and chairs
Water heaters
Lawnmowers
Railway vehicles
When it comes to the uses of cold rolled steel, you can see that this material can be applied as the main material for a variety of automotive, manufacturing, and construction applications.
If you need cold rolled steel for your projects, look no further than Regan Industrial Sales, Inc. We are a reputable manufacturer of steel products in the Philippines. We have cold rolled steel products available in a wide range of sizes and finishes. Get in touch with Regan Industrial Sales, Inc. today!
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