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Galvanized Steel Pipes
Quick Overview

Quick Overview

  • Galvanized steel pipes are steel pipes that undergo a protective zinc coating process which prevents rusting and structural rigidity of the steel pipe.

  • Due to the presence of zinc coating, galvanized steel pipes have long durability. 

  • Galvanized steel pipe is good for hot and cold liquid transportation, in exposed and marine environments, and as railing and fencing.

  • Looking for good quality galvanized steel pipes? Camasteel is here! Get a quote from us and purchase great and cost-effective galvanized steel pipes from China!

Availability: In stock


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Q195, Q345B
Application: Building, Carbon Structural Steel, Alloy Structural Steel, Gear Steel
Standard: BS, GB, ASTM, ASME, DIN, JIN, EN
Lengths: As per request
Thickness: As per request
Material: 300 series

Galvanized Steel Pipe 

Galvanized steel pipes are steel pipes that undergo a protective zinc coating process which prevents rusting and structural rigidity of the steel pipe. They are a lower cost alternative to stainless steel to achieve rust free protection for up to 30 years, while maintaining comparable strength with a durable surface coating.

Characteristics of Galvanized Steel Pipes:

  • Galvanized steel pipes are made with zinc coating through hot-dip galvanizing where the iron is submerged in molten zinc.

  • Galvanized steel pipes are resistant to rusting and are high in structural rigidity.

  • They are not easy to freeze or crack even in the cold weather.

  • They have longer use due to the protective zinc coating.

steel pipe

How Galvanized Steel Pipes are Produced?

The most common method for the zinc coating process for galvanized steel pipes is through hot-dip galvanizing where the iron is submerged in molten zinc. Intact zinc coating on GI prevents corrosive substances from breaching the surface of the underlying steel or iron. 

What is Galvanized Steel Pipe Used for?

Galvanized steel pipe is good for hot and cold liquid transportation, in exposed and marine environments, and as railing and fencing. Prior to 1970, galvanized steel pipes were used to construct water supply pipes and other outdoor applications such as in rails, scaffoldings, and railings. 

What are the Benefits of Galvanized Steel Pipes?

Galvanized steel pipes are resistant to rusting and are high in structural rigidity. Also, they are not easy to freeze or crack even in the cold weather. What’s more, they have longer use due to the protective zinc coating.

How Long Will Galvanized Steel Pipe Last?

One key advantage of galvanized steel pipes is their durability. They generally last between 80-100 years. Data shows that galvanizing can provide between 34 to 170 years of protection for steel.

steel pipe

Is Galvanized Pipe Poisonous?

In normal temperatures, no. After the steel pipes are finished with galvanizing, they pose no toxic risks to humans, plants or animals. However, if hot dip galvanized steel’s temperature reaches 392F (200 C), it will release zinc fumes which are toxic to breathe. 

How Strong is the Galvanized Steel Pipe?

On average, a galvanized steel pipe has a strength that ranges between 150 PSI and 500 PSI.

How to Keep Galvanized Steel Pipes from Rusting? 

To prevent corrosion on galvanized steel, the best approach is to keep it out of environments where it is exposed to substances with a pH below 6 or above 12.

Is Galvanized Steel Pipe Safe for Drinking Water?

No, Galvanized steel will eventually start to corrode which releases lead and cadmium and can pose a hazard for drinking water, which makes it unsafe for drinking water in the long run.

Is Galvanized Pipe Weatherproof?

Yes! Because of the zinc coating, galvanized steel pipes are highly resistant to degradation when they are exposed to the weather. 

How to Preserve a Galvanized Steel Pipe?

In order to preserve these steel pipes, proper paint coatings and sacrificial anodes must be applied onto the galvanized steel pipes.

Galvanized Steel vs Stainless Steel: Which Is the Better Choice?

Compared to stainless steel, galvanized steel is much cheaper. It is almost the same price as untreated steel. Also, galvanized steel can be fabricated and manipulated like normal steel while stainless steel is hard to manipulate. For these reasons, galvanized steel can be a more cost-effective option for you.

steel pipe

Can I weld a Galvanized Steel Pipe?

It is not suggested. Welding galvanized steel burns away the protective layer of zinc at the weld, leaving the welded area uncoated and unprotected. Steel should be welded before it is galvanized, not after.

How do you know when galvanized pipes need to be replaced?

Replacing galvanized pipes timely is important because rusted galvanized pipes will release toxic elements to the water or liquids. To know if the pipes need to be replaced, first, the early signs would be decreased water pressure and rust-colored water coming out of the pipe. Then, more advanced signs would be rust around the pipes’ joints and bodies. At this stage, you will need to replace the pipe in a short time. When the pipes reach their life expectancy, signs would be raptured pipes and leak holes on the pipes. 

Will Galvanized Steel rust?  

Galvanized steel is quite durable, it takes a while before it rust, but it would rust eventually. Galvanized steel has been coated with an extra fiat of zinc which serves as a barrier to prevent water and oxygen from reaching the steel, thereby providing advanced protection from corrosion. 

Will Galvanized pipe rust?  

A galvanized pipe would eventually rust. They last longer than most pipes but they will eventually start to corrode and rust. 

How do you maintain galvanized pipes? 

Galvanized Pipes are very strong and durable but to further extend their life span they need to be maintained properly. To maintain your galvanized pipes do the following; 

  • Avoid your galvanized pipes from coming in direct contact with dissimilar metals such as copper and brass, particularly in a corrosive environment. 

  • Don't clean your galvanized pipe constantly. Avoid washing your galvanized pipe abrasively. Abrasive cleaning would wash away the zinc protective layer.

  • Clean your galvanized pipe with a cleaner that has a water-based emulsifier and alkaline based with a pH of 12 or less, or organic solvents. Rinse the area cleaned with fresh water and clean with a piece of soft clothing. 

  • For galvanized pipes in a highly corrosive environment, rinse the galvanized pipe with potable water regularly. 

steel pipe

How can you tell if a pipe is galvanized? 

If you can't tell by just looking at the pipes, you can easily identify a galvanized pipe by simply scratching it with a flathead screwdriver. The area you scratched on the pipe will be left with a silver-gray color. To further confirm, a strong magnet will stick to a galvanized pipe. 

What Are Galvanized Steel Pipes Used For? 

Galvanized steel pipe can be used both indoors and outdoors due to its corrosive-resistant ability. It can be used to transport cold and hot water. Galvanized Steel pipes are applied in the petroleum industry for oil well pipes, especially on offshore oilfields. 

Galvanized Steel pipes are also used for kitchen plumbing, and home drainage systems. 

How long will Galvanized Steel Pipe last? 

Galvanized steel pipes are expected to last for about 80 to 100 years.

How Strong is a Galvanized Steel Pipe? 

The average yield strength of Galvanized Steel Pipe is between 150 and 500 psi. 

Is Galvanized pipe poisonous? 

In its finished form, Galvanized pipe is not poisonous and poses no toxic threat to children, adults, or animals. 

steel pipe

How to keep galvanized steel pipe from rusting? 

To keep your galvanized steel pipe from rusting, clean them. You can clean them by using dilute vinegar or a mixture of water and baking soda. After cleaning the pipes, ensure you rinse off any remnant of the cleaning solution and dry thoroughly. 

You can also increase the corrosion resistance of your galvanized pipe by insulating them properly. You can achieve this by covering the pipes with lacquer, and foam, or making use of bluing solutions. 

Is Galvanized Steel Pipe Safe for Drinking Water? 

Galvanized steel pipe will eventually begin to rust and can be hazardous if used for drinking water, which makes it unsafe and unadvisable to use for drinking water in the long run. The main issue is not the protective layer of zinc but cadmium and lead, which might be present due to the galvanization process. As the galvanized pipe corrodes, these heavy metals, cadmium, and lead will be released into the water which poses a danger to your health. 

Is Galvanized pipe weatherproof? 

Galvanized pipes can withstand extreme weather conditions. The galvanized pipe can withstand temperatures of about 392°F.  

Can I weld a galvanized steel pipe? 

It is advisable not to weld galvanized steel pipe because during welding the protective zinc coating layer might get damaged.

How do you know when Galvanized Pipe needs to be replaced? 

Galvanized pipe rusts eventually, and as they rust they begin to show visible signs of rusting and might even rust through the pipe and cause leaks. If you identify rusting or lumpy growths along or around pipes during an inspection, it might be a good time to replace your galvanized pipes. 

steel pipe

Can I paint galvanized pipe? 

The paint won't adhere to the galvanized pipe. The protecting zinc layer rejects paint causing it to shed or peel. 

What Is The Difference Between Steel Pipe and Iron Pipe 

Steel and Iron pipes are often identified due to being alloys of metal. The following are the difference between Iron Pipe and Steel Pipe; 

  • Manufacturing Process

One of the significant differences between an iron pipe and a steel pipe is the process of manufacturing them. Iron pipes are made with seams which makes it possible for iron pipes to be connected to other pipes through the use of connector valves. It also has a bigger diameter than steel pipes. Steel pipes are welded to be used in some industries. Iron pipes have thicker walls and are stiffer. 

  • Carbon Content 

Another important difference between steel and iron pipes is the carbon content. The carbon content in iron pipes is between 3.9-3.9%, while steel has a carbon content of 0.6-0.8%. You can easily detect the pipes' strength, hardness, and hardenability. 

  • Abrasion Resistance

Iron pipes have higher resistance to abrasion than steel pipes due to the high rate of graphite present. This is one of the reasons iron pipes are used mostly in friction wear mechanisms. 

steel pipe

Which Type of Pipe Is Strongest 

Cast iron pipes are said to be durable, extremely heavy, and strong. However, deciding on the strongest iron pipe is difficult, because pipes are not often applied in the same industries. 

What Is A Steel Pipe Used For 

Steel pipes are highly rust-resistant, durable, easy to install, and customizable, making them a top choice in several industries. Steel Pipe is often applied for use in; 

  • Construction Industry 

Since steep pipes are highly durable and lightweight, they are usually used in the construction of residential and commercial buildings. They are used basically because of their amazing feature of being corrosive and rust resistant, meaning it doesn't need to be repaired frequently or replaced. 

It's mostly used for water, plumbing, and electrical systems since breakage or leakage might be disastrous and costly. 

  • Oil and Gas Industry 

Steel pipes can be applied for use in corrosive environments, in low and high temperatures, and under high pressure. This is why it's a top pick for use in the oil and gas industry, especially for pipe trunks and gathering line pipes. Steel pipes can be applied for use in this industry due to their durability and versatility. 

  • Shipbuilding Industry

The strength of steel pipes makes them a considerable choice for shipbuilding since they can withstand high pressure, vibrations, and shock. Unlike other metal pipes, steel will bend and not break in extreme conditions, meaning it might not leak or crack. Steel pipes are used for the super heaters, boilers, and pressure systems on a ship. 

  • Industrial Application 

Ste pipe is commonly used in warehouses, manufacturing facilities, and several industrial locations due to its corrosive and rust-resistant abilities, affording the facility a long time of dependable use. Steel pipes are often used to transport gas and liquids from one part of the facility to another. It can also be applied in the construction of the facility structure. 

How Strong Is A Steel Pipe 

Steel pipes sometimes vary in strength due to the manufacturing procedure they might have undergone. However, the standard yield strength for a steel pipe is 30,000 psi. 

steel pipe

How Many Type Of Steel Pipe are those 

There are four different types of steel pipes which are; tool Steel pipe, Carbon Steel Pipe, Alloy Steel Pipe, and Stainless Steel Pipe. 

Can you use a steel pipe for water? 

 Yes, steel pipes can be used for water. They are resistant to corrosion and their biochemical structure helps in offering the best hygiene possible. 

How Is Steel Pipe Classified 

Steel pipes are usually classified according to uses, production methods, mechanism, joining method, and plating characteristics. They can also be divided according to their cross-sectional shape into round steel pipes and specially shaped pipes. 

What Materials is Steel Pipe 

Steel pipe is the primary material used in producing steel pipes. 

What Is the Difference Between Steel Pipe and Tube?  

It might be confusing to notice the difference between steel tubes and pipes. They can both be seamless or welded. However, there are differences between the two. A steel tube can be oval, square, round, or rectangular, while a steel pipe is always round. Steel pipes are often used to transport or carry gasses and fluids while tubes can be used in transporting fluid but are designed mainly for use in architecture, aerospace, medical, and transportation. 

steel pipe

Which is Stronger  Between Steel Pipe and Tubes 

Steel tubes have more strength than steel pipes. They are also more durable and strong. 

Is Steel Pipe Cheaper Than Steel Tube 

Yes, Steel pipe is cheaper than steel tube. Steel Tube is costlier due to its high production cost. Steel pipes are easily manufactured. 

Looking for other steel pipes for sale? At Camasteel, we also provide high-quality Seamless Steel Pipes to you!

To learn more about our steel products, please click here to visit our product category page!

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  1. Galvanized Steel Pipes review by Frederick on 6/10/2021

    The Galvanized Steel Pipes has really helped our business. It's just amazing. Galvanized Steel Pipes highly adaptable for our industry.

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