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Pickling: An overview of the surface treatment

Over the years, pickling has assumed significance in surface treatment plant and pickle processing plant given its numerous benefits for galvanization and engineering-based industries. With the advent of innovative technology, pickling plant manufacturer is getting empowered to roll out a wide range of pickling tanks.

As indicated by the introduction and title, we are going to highlight the importance of pickling plant in surface treatment. Before we take a deep dive into the industrial subject, let’s understand the pickling process in simple language.

pickle plant

Learning about pickling

What is pickling? Do you know, what is the metal treatment process? People often imagine mango or chilly pickle, when they are asked about pickling. Here we are talking about metal treatment plant, it is also famous as pickling processing plant or surface treatment plant in industry circles.

In metal engineering, pickling refers to the metal treatment process. Under this process, superficial impurities are removed from the surface of the metal. Then why it is called pickling? Since the process comprises using an acid solution which is called pickle liquor, it has become famous as a pickling process. And the plant which is designed for the pickling process is known as the pickle processing plant.

Coming to the composition of the pickle liquor, it mostly depends on the type of metal on which it’s all set to be used. Let’s understand this with a few examples, for low carbon steel, pickle liquor comprises hydrochloric or sulfuric acid, whereas, for high-carbon steel, pickle liquor comprises acids like phosphoric or nitric acid. For further information, you can connect with a leading pickling plant manufacturer in Ahmedabad  

Benefits of pickling

From the basics, let’s now shift toward another key element of this blog, the benefits of pickling or surface treatment plants. It has been observed that newly manufactured metal plates, rods, pipes, etc. develop a layer of impurities on the surface when exposed to air or weather conditions. An oxide layer comes up on the surface. This layer reduces various traits and properties of the metal, making it unsuitable for various industries, like galvanization and precision-based engineering.

According to industry experts, there are plenty of ways to remove oxide and various other impurities from the steel surface. However, pickling has become one of the most reliable methods of removing impurities and oxide layers, since the process is simple to plan and implement. During the pickle processing plant, metal-made items like iron rods, plates, and pipes, are immersed inside the tank with acidic pickle liquor. The pickle liquor eats away the oxide layer and other superficial impurities, without disturbing the underlying steel. In this regard, you can connect with a leading pickling plant manufacturer.

Does an iron pole require with no oxide layer require pickling before galvanization?

Many people think on this line. But the fact is just because an iron piece has an oxide layer, it doesn’t mean, it’s completely pure. The item still contains many other impurities. That’s why pickling is important.


We are confident, this blog will expand your knowledge about pickling. Pickling plant manufacturer is manufacturing a wide range of pickle processing plant. Before choosing the plant, enter into a dialogue with the manufacturer to share your requirement.

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