What is a Galvanised Steel Pipe and Why is it Widely Used?

When it comes to pipes and pipework systems, there are many different types of finishes such as stainless steel, powder coat, and hot-dip galvanised. So, when it comes to choosing between a stainless-steel or a galvanised steel pipe, which pipe is the better choice? Well, it actually depends on factors such as what it will be used for, where it will be placed and more.

What is Galvanised Steel Pipe?

It is a steel pipe coated with a protective layer of zinc. This zinc layer acts as a barrier to protect the pipe from corrosion and provide incredible strength and durability, making it ideal for outdoor installations.

Most steel pipes are hot-dip galvanised, which is a popular form of galvanisation. The steel is ‘pickled’ (treated to remove impurities) in an acidic solution, typically applied with zinc ammonium chloride, bathed in molten zinc and then cooled off in a quench tank.

The end result is a galvanised steel pipe that is ready to be used as soon as it has left the production line. But what makes them so popular?

As mentioned before, galvanised steel pipes have impressive long-lasting durability compared to other types of steel pipes. The reason for their long shelf life is because their protective zinc barrier provides high resistance to corrosion, scratches, rust and typical wear and tear.

A galvanised steel pipe can also have a shelf life of up to 50 years depending on where they have been installed. They can last up to 25 years if used for applications in exposed coastal, urban or rural environments.

Galvanised steel pipes are cost-effective alternative to stainless-steel pipes when in need of a pipe that can provide superior strength and corrosion resistance.

A galvanised steel pipe is cheaper to produce as there are fewer costs involved when compared to other types of steel produced. This is because other protective methods and coatings can generally take more time and require more labour to manufacture, resulting in a more expensive price tag to compensate for the additional labour required.

What is Galvanised Steep Pipe Used For?

They are also widely used because a galvanised steel pipe is very easy and quick to inspect before it can be used. Due to their smooth and clear finished, the pipe’s surface can be easily inspected by the human eye.

Any structural facts such as cracks or fractures will stand out and instantly detected, avoiding the risk of installing faulty pipework that can become an expensive problem down the track.

Another reason why a galvanised steel pipe is ideal for outdoor installations is because they are extremely low maintenance. The high corrosion resistance from the zinc barrier means that galvanised pipes don’t require the need to constantly perform regular maintenance.

This is a huge benefit for installations in rural and remote areas where workers traveling to and from the site to perform maintenance can be lengthy and occur expensive travel costs.

Whether you’re looking for pipework for superior strength or as a cost-efficient alternative, a galvanised steel pipe can provide many benefits.

Depending on your application needs, make sure you are using the right pipework for the job by searching online for an established pipework systems supplier today.


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