3 Things to Consider While Buying Pipes for Your Projects

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Pipes are used almost in every sector of any construction project. You can use it for proper sewage disposal, water supply and many more things. No matter if you want to buy a new pipe or used oilfield pipe from a supplier, you have to consider a few things. The following are quality of material, ease of use, corrosion resistance and tensile strength.

Most people prefer pipes for their residential and major infrastructures projects because these can be customizable. We will enlighten you throughout the article on how to choose the right pipe for your upcoming project.

Resistance to Corrosion

As we use pipes to bring water from one place to another, the inside material of it can be prone to corrosion. You may notice rust in metal pipes due to three reasons &#; oxygen, low water pH and water turbulence. If the pH level of water is below eight, then it is acidic. This type of water can produce acid because the hydrogen ions bond with the carbon dioxide in the water. As a result, it produces carbonic acid and reacts with water. Keep in mind that these things you cannot control. But you can choose the material of the pipe which is resistant to corrosion. Galvanized pipes are a good option in this matter. The experts coat this pipe with zinc to protect the metal from rusting.

Quality of Materials

If there are any leaks in the pipe, the damage will occur for sure. Every pipe has to take water pressure. Consequently, the pressure can cause wide-scale damage. There are also abrasive materials that pass through the pipes, which can damage the quality of the material. While buying make sure that the material is appropriate for the installation. You have to check the withstand forces of the pipe so that it can deal with the water pressure daily.

Easy to Use

You should also consider those pipes which are very easy to use so that the workers can work with this type of pipe in any environment. You may know that cold weather and low temperature can make steel fragile. If you do not do anything, it can burst over time due to an ice blockage inside. As you cannot control these natural reactions, therefore, you may consider buying steel pipes. This type of pipe can take extreme heat and cold.

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Being one of the most used materials in the world, steel pipes have applications in several industries that you might have yet to know. From the construction industry to interior design and even automobile manufacturing, steel pipes with their several advantages can be found everywhere. Buying steel pipes seems to be an easy task, but how to buy them correctly and effectively can be a difficult one. In the blog below, Chinh Dai Steel will show you things you should consider before buying steel pipes.

I. Overall about steel pipes

1. What are steel pipes?

Known as the most utilized product made from steel, steel pipes are cylindrical tubes with thin walls and hollow structures that are used in many ways in manufacturing and infrastructure. Depending on the purposes, steel pipes can be galvanized or used for further manufacturing processes. 

2. Application of steel pipes

Steel pipes can be found anywhere in the world. The primary use of steel pipes is in liquid & gas (underground) transportation including oil, gas, and water. However, the main purpose of steel pipes is throughout the manufacturing and construction industry. With the strength, durability, and ability to withstand extreme temperatures, pressures, and destructive elements, steel pipes make it possible to be the initial part of every building & construction. 

3. Classifications of steel pipes

There are many ways to classify steel pipes but the most common method is based on their characteristics. We then have 04 popular classifications of steel pipes: carbon steel pipes, stainless steel pipes, black steel pipes, and galvanized steel pipes. 

a. Carbon steel pipes

Being made of steel in which carbon is the main chemical element and determines the extent of the metal&#;s physical characteristics such as strength and toughness, carbon steel pipes are considered the most cost-effective type of steel pipes. During the manufacturing process, producers add carbon to iron so as to harden and strengthen the resulting metal.

Based on the purposes, carbon steel pipes are also classified as ultra-high carbon steel pipes, high carbon steel pipes, medium carbon steel pipes, low carbon steel pipes, and mild carbon steel pipes. 

Carbon steel pipes are mainly used in transporting water and wastewater underground, in industrial operations involving high temperature&#; 

b. Stainless steel pipes

Stainless steel pipes are widely known for their considerable corrosion resistance and in great demand in many countries. Also known as inox steel pipe, they are made of steel containing iron, carbon, and at least 10.5% chromium content, in which chromium is the main element. In stainless steel pipes, there is a passive layer that helps to protect the metal from deterioration which is made from the reaction between chromium and oxygen. 

Stainless steel pipes are commonly used in construction, transporting fluids, and other industries such as automotive industries, pharmaceutics&#; 

c. Black steel pipes

Black steel pipes are the most highly stable structured steel pipe for sale thanks to their convenience and high stability. Also called raw or bare steel pipes, black steel pipes are made of steel that is not covered with any kind of coatings. The &#;black&#; in its name derives from the dark-colored iron oxide cover formed on its surface during the fabrication process.

Black steel pipes are also used in transporting water & oil and the construction industry, especially in making fences and scaffoldings. 

d. Galvanized steel pipes

Galvanized steel pipes are made of steel that is coated with several protective layers of molten zinc to prevent the pipes from rust and corrosion. The galvanization process was invented in the s and galvanized steel pipes have replaced lead-based pipes since then. 

Mostly used as water conveyance and building materials, galvanized steel pipes are broadly applied in many industries such as automatic and general engineering industries, bus body, and railway bogies manufacturer&#; 

For more information, please visit Steel Pipes.

Additional reading:
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II. What you should consider before buying steel pipes? 

Since steel pipes have many classifications and a wide variety of applications, we need to consider carefully before giving out the buying decision. 

Below is a list of things that you should consider before choosing any steel pipes for your projects and constructions. 

1. Which type of steel pipes are you looking for?

Before buying anything, you need to determine the exact classification of steel pipes you are in need of and what you are going to do with the pipes. As listed above, there are 04 types of steel pipes with different coating and characteristics. Carbon steel pipes are the least expensive pipes to get while stainless steel pipes do not rust. Galvanized steel pipes are coated with several layers of zinc which enhances the corrosion resistance and strength while black steel pipes can be used in many industries such as construction, fire fighting, fence making, scaffoldings&#; 

2. The grade of the steel pipes

Another step to get the correct steel pipes is to determine the grade of steel you need. You can base on international standards to pick out the most suitable steel pipes for the projects. The ASTM and ASME standards usually have piping specs that help you a lot in showing you which grades will do the best job. However, there are still differences between these two standards, which resulted from different testing methods applied. That&#;s why you should check the specs carefully when choosing the right grade of steel pipes.

Besides, you can also count on SAE & AISI &#; the two other organizations that are well known for steel pipe grades. Their numbering system simplifies a lot of the more complex classifications of steel pipes, however, not the whole specifications when choosing the correct pipes. 

When basing on international standards to find the correct steel pipes grade, you should refer to industry standards as well. For example, if you are looking for oil and gas transporting steel pipes, the API 5L standard will do the job. It is the industry standard for oil and gas transporting pipes. When there are a lot of standards to consider to make the buying decision, you should combine them together to have a full profile to narrow down what works best for your projects. 

3. Seamless or welded steel pipes?

The customization options of steel pipes are also an important factor to consider when buying steel pipes. Of which, there are the 02 most popular options of customization: seamless or welded. The decision is mostly based on your choice of what would best suit your needs. However, most welded pipes are more cost-effective than seamless, and it becomes a huge thing to consider when you buy in bulk. 

Also, the consistency from pipe to pipe, which enhances the wall thickness, also an important factor to count when choosing the customization option of steel pipes. Manufacturers will keep the consistency by checking the internal surface of steel pipes, which could be extremely difficult when it comes to seamless steel pipes due to the way they are made. Hence, if you are finding steel pipes with a high consistency from pipe to pipe, welded steel pipes are the best choice.

However, seamless pipes are without seams (of course) and have the advantage of consistent roundness. Hence, there will be no chance for a weak seam, which might lead to a headache problem for the projects in the near future. 

4. Quantity

Whatever you buy, buying in bulk always gets you a better price. Besides, you might have the added benefit of mixing steel pipes length and size or getting customize-to-need pipes; which you will never have once you buy in small quantities. 

Besides, if you purchase pipes at full length, there might be extra benefits from manufacturers. To get this, you should pay attention to reputed manufacturers&#; websites to know where the most savings are. 

In case you are not concerned about the price, you still need to consider the quantity of steel pipes you need to get the correct quotation. Some steel manufacturers only sell steel pipes in exact quantities. Also, to avoid mistakes happening during the projects, you might want to buy extra steel pipes to take the initiative. 

5. Pipe size

Specifying the steel pipes&#; size might be a problem since it often contains plumbing terminology which is not familiar to most buyers. It&#;s essential to know the fittings and size before ordering any steel pipes. You can research the fittings and sizes based on manufactures&#; charts, or consult with the sellers. If you buy in bulk, it&#;s easy to get steel pipes customized to your needs and wants. 

6. Why does coating matter? 

Steel is strong already, but the coatings give out additional properties as it protects the steel itself from corrosion and harsh weather conditions. Hence, steel pipes with coatings are highly recommended when you are finding ones that are strong and durable. Others&#; based on your needs and budget. Black steel pipes are the alternative option for galvanized steel pipes if you just need steel pipes to work on other projects such as fences, barricades&#; Meanwhile, galvanized steel pipes are strong and protect perfectly against corrosion and do the job better in transporting water. 

Pre-painted steel pipes are also a good choice from residential to commercial with their multiple uses and competitive prices. It is durable yet also visually attractive, which is needed for any project. 

7. Choosing reputed suppliers

Choosing the correct type, quantity and coating is not sufficient if you cannot find a reputable supplier that manufactures high-quality steel pipes. If you need to find trusted suppliers by searching and scrolling through the feedback section, here are some factors you should refer to:

• They have mills with high production capacity
• Their products should be qualified for specific international standards which are widely applied for their purposes
• It should be easy to track the origin of the product on its labels and QR codes, which ensures you are buying the steel pipes from a prestigious supplier/manufacturer

Why should you choose Chinh Dai Steel steel pipes? 

Chinh Dai Steel supplies steel pipes and steel products that tick all the boxes. All products, from galvanized steel coils, galvanized steel pipes, black steel pipes to galvanized perforated purlins and agricultural supports such as cattle panels &#; are manufactured from carefully selected materials. 

Chinh Dai Steel has experienced over 20 years of development in international markets. Chinh Dai Steel has 03 factories covering a total area of 10 hectares with a production capacity of 300,000 tons of steel pipes and about 250,000 tons of galvanized steel coils annually.

Since , Chinh Dai Industrial ranks No. 1 in Vietnam and Southeast Asia in terms of steel pipe export volume to Australia. The steel pipes and steel products from Chinh Dai are manufactured using high-quality materials, such as galvanized steel products with the zinc coating from Z120 &#; Z275. These products meet international standards such as ASTM (A500, A53 & A513) AS / NZ , JIS G, and EN and you can easily check the origins of every product on its own labels with QR codes.

Final words

Whether you are finding the steel pipes for personal or professional usage, getting the right steel pipes all comes down to research. Don&#;t let the information overwhelm you into making a rushed decision. Follow the steps, take the time and give out the final decision. Consistency makes all the difference in the world, and it&#;s the same process with choosing the right steel pipes. 

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