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What is difference between cold and hot metal pipes?

September 14, 2021

Installation and manufacturing of metal pipes

Galvanized metal pipes are common in common installations in different locations and environments. These metal pipes measure, as every hydraulic pipe installation, offering all the necessary safety, usability, and integrity in the transfer of fluids.

 

metal pipes

Process of galvanizing metal pipes

The steel metal pipes undergo a galvanizing process, the bars undergo a liquid zinc treatment to adhere a protective layer throughout the bar. This process prevents corrosion that may occur over the years it is installed, increasing the life of the pipes.

Do you want to understand more about how the galvanizing of metal tubes works? Stay with us to learn the difference between hot-dip galvanizing and cold-dip galvanizing. Hot and cold dip galvanizing is the two main types of black pipes.

How are metal tubes galvanized?

Galvanizing pipes made of steel can have different shapes, such as plates and beams.

The most common method is zinc, ensuring the durability of the other noble metals common in the process. These zinc layers are responsible for making steel even more resistant, especially to corrosion, since it is widely common for different liquids, some with high corrosive capacity.

Difference between hot-dip galvanized pipe and cold-galvanized metal pipe

There are two different types of metal pipes plating, each with different uses. These are: hot-dip galvanized pipe and cold-dip galvanized pipe. The two procedures not only change the way plating is done but also guarantee specific uses for each type of application.

 

Hot-dip galvanizing, and cold-galvanizing vary principally in their strategy for application and the degree of assurance they offer; picking the right electrifying method, at least reduces tracking down an ideal harmony among cost and execution.

Cold galvanized metal pipes

Cold galvanizing is also called Electrolytic Galvanizing and is carried out using electrical charges. The process of cold galvanizing the metal pipes is done with Metal Electrodeposition, carried out using electric energy.

To carry out the procedure, electricity is required. Thus, the zinc process covers the entire outside of the tube and a small part of the ends inside. This makes it resistant to weathering corrosion, as well as being more durable compared to the black carbon steel tube.

The usage of cold galvanized tubes

Cold galvanized pipes are widely common for structural purposes, this usually happens because they do not have an internal zinc coating, and thus are not suitable for the passage of fluids, as there will be faster corrosion than a fully galvanized pipe internally.

However, with the exterior protected, they can be common in structures such as boards, fences, and other types of support. The action of time and humidity will not corrode the parts of pipe. These tubes are common in industries.

Hot-dip galvanized metal pipes

In this case, as the name already indicates, galvanizing is done through high temperatures. In this modality, the metal pipe is completely placed inside the zinc still in a liquid state. This adds a complete layer of all metallic material, ensuring protection both inside and out.

This makes hot-dip galvanized pipes the best option for transposing non-corrosive liquids and fluids of different types. With the zinc layers protecting the metallic tube inside and out, it is possible to have much more security regarding problems with corrosion and chemical actions.

Uses of hot-dip galvanized pipes

Pipes are internally galvanized, corrosion does not occur, and thus the durability of the installation is much greater. The liquids in these sectors are extremely valuable, so the best transposing efficiency of galvanized pipes is essential.

Galvanizing metal pipes and fire networks

Another point where galvanized metal pipe stands out a lot is when dealing with pipes for the fire networks. Fire pipes deal with the high-water pressure and the temperature of possible fires.

The entire water network intended for firefighting needs to work with high pressure to bring the water jet to the desired environment, where the fire is taking place. The use of other materials can end up causing the system to break due to pressure or corrosion due to weathering.

Benefits of steel in metal pipes

Steel is an essential and timeless product in making pipes, therefore, it has a different cost-benefit ratio compared to other utensils, being accessible to everyone. In today's article, we've brought you a presentation about steel pipe and some ways you can use it.

Steel tubes are extremely important both for industry and for construction and renovation. They can be common in several ways. Tubes also come in a variety of shapes, opening a range of options it is also common in almost everything today.

What are the main shapes of steel tubes?

  • Firstly, square industrial steel tube
  • Secondly, round industrial steel tube
  • Also, rectangular industrial steel tube
  • Finally, galvanized steel tube

How can steel tubes be common?

The steel metal pipes are extremely important for metal buildings and structures, for this purpose, ideals tubes are rectangular. That's because they offer more resistance, ensuring greater flexibility during work and offering a more pleasing aesthetic to the result.

Furthermore, they are versatile and can be sewn or seamless. These come in carbon welded steel pipes, steel props, steel frames, etc. With the ever-evolving industrial applications, piping systems and products have become widely common in numerous construction sectors.
metal pipes 2021

Seamless steel metal pipes

Seamless steel metal pipes have following specifications

  • It is made of one piece of metal and it does not have joint steel pipes.
  • Also, these pipes are durable and strong.
  • Moreover, it can withstand high pressure and high temperature.

Sealed steel metal pipes

Metal pipes overview is explained as below:

  • Firstly, the steel pipes have been welded together from steel or metal.
  • Secondly, they are corrosion resistant.
  • Also, they offer high-quality handrails.

Use of metal pipes in countryside 

It is wrong to think that steel pipes are only for civil construction and other means, as they can also be common in rural areas. The pipes are common for welding. In rural areas, metal pipes are common for beauty and aesthetics, which are important things and should be considered.

This material is recognized for being resistant to corrosive materials such as climate change. Its main way of use is the conduction of fluids, such as water, oil, steam, irrigation systems, artesian wells, among other benefits. Metal pipes is the main requirement of nearly all industries.

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