What is the difference between Corten steel and regular steel?

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What is weathering steel?
There are two types of weathering steel: weathering steel and stainless steel. Weathering steel plates are heated in a high-temperature oven and then cooled to produce weathering steel. The steel hardens to a distinctive reddish-brown hue.

What is plain steel?
Plain steel is a type of steel that contains carbon and other components, which makes it a strong and durable material that can be used to make tools such as blades and cutlery for commercial and industrial purposes.

Difference between weathering steel and plain steel
Properties: Steel that has been chemically treated is called weathering steel and has better corrosion resistance. In chemical treatment, the steel is immersed in a solution containing chromium, nickel, manganese and silicon metals.
Since ordinary steel is not treated in this way, it will rust when exposed to moisture for a long time. Ordinary steel corrodes and rusts when exposed to moisture and oxygen.
Elemental Combinations: Combined with iron, manganese and carbon, Corten steel is more ductile and resistant to impact damage than other steels due to its high carbon content.
Iron and carbon combine to make ordinary steel. Plain steel is very durable, but can corrode if not handled properly. Plain steel and stainless steel work well together to solve these problems.
Corrosion Resistance: Weathering steels known as corten steel have rusted, giving them an aged appearance. This gives it an attractive and distinctive appearance while protecting the material underneath.
Ordinary steel corrodes due to the chemicals in the metal and its ability to produce a protective coating as well as its ability to oxidize quickly in humid environments. High temperatures or humidity can wear away or lose the protective coating, allowing oxygen to enter the steel and cause it to rust.
COST CALCULATION: The cost of weathering steel depends on a variety of factors, such as the length of your project, the thickness and quality of the steel used, and any additional features you choose for your project.
The cost of plain steel will vary depending on where you live and where you purchase it, and whether or not the steel is already finished. If the sheet or bar has been rolled into a plate or bar, it will be more expensive compared to the raw material.

Applications: Steel is one of the most commonly used materials for construction and fabrication. It is not only strong and durable, but also lightweight and easy to use. Examples of common steel uses include:
Structural supports for buildings.
Lightweight instruments, devices and equipment.
Mechanical parts.
Implants used in surgery.
It is also used in the automotive industry, military, aerospace and many other applications.