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1 月 . 25, 2024 17:22 Back to list

SAW vs ERW and EFW Welded Steel Pipe-What is stainless steel and How is stainless steel made?

Stainless steel is a low-carbon alloy that is commonly used in a variety of applications. This type of steel has the ability to resist rust and corrosion and is resistant to high temperatures.

 

3LPE Coated Steel Pipe used in pipeline transportation

 

Stainless steel is extremely durable and it is extremely hygienic. This makes it ideal for applications where hygiene is important. It can be easily cleaned with cleaning liquids, soaps, and detergents. It is also very easy to repair. Its low maintenance and relatively low cost make it a preferred material for use in kitchens, jewelry, and other areas where exposure to the elements is common.

How is Stainless Steel Made?

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Stainless steel can be made by melting or mixing the raw materials and then forming them into a specific shape and pattern. Various types of surface finishes can be applied to the metal during the process of making it.

• Melting the Raw Materials

First, the raw materials are melted in a furnace. This takes anywhere from 8 to 12 hours. As the raw materials cool, they harden. In the case of stainless steel, this hardening process is facilitated by a vacuum chamber. This ensures that the finished material meets all manufacturing specifications.

• Removal of Excess Carbon

A vacuum oxygen decarburization converter is used to reduce the amount of carbon in the molten metal. This process reduces the carbon content by injecting a mixture of oxygen and argon into the metal. The finished product can have a carbon content as low as 1.5%.

• Tuning or Stirring

Tuning or stirring is a process that helps improve the consistency of the final product. It also helps remove unwanted elements from the mixture and maintains the composition within the proper temperature range. During this process, the liquid steel is stirred to ensure the distribution of the elements.

• Forming the Metal

The basic steps involved in forming the metal of stainless steel are annealing, descaling, and heat treatment. Depending on the type of steel and the desired final product, each step may be performed several times. Each step affects the properties of the stainless steel and may also change its appearance of the stainless steel.

• Heat Treatment/Annealing

The process involves heating the metal to a specified temperature and cooling it to a specified rate. The cooling rate is dependent on the alloy and the size of the workpiece. The temperature is generally between 450 and 550 degrees Fahrenheit but can vary depending on the alloy. In the case of steel, annealing can be done with a torch or a programmable heat-treating oven. It is a common manufacturing process.

• Cutting and Shaping

First, you need to measure the area you want to cut. A standard measuring tape is a good choice. Then you need to determine how thick the material is. The best way to cut stainless steel depends on the part you are working on. 

• Applying Surface Finishes

Stainless steel surface finishes provide a finishing touch and added protection. They also add visual appeal and enhance corrosion resistance. They are often used in architectural and industrial applications. They can be patterned or plain. They can also be used to match other materials in a design. They can be applied to nearly any grade of steel.

Stellar Global Stainless Steel

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Stainless steel is the name of the game for any modern-day manufacturer. Stellar is a well-oiled machine that has been around for almost two decades and has an impressive international trading resource. Among the products and services offered by the company, Stellar's stainless steel products have been recognized for their quality and reliability. Among the most popular products are cold-rolled stainless steel products, hot-rolled products, seamless stainless steel products, and stainless steel pipes.

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