Carbon Steel Seamless Steel Pipe API 5L High Quality

Carbon Steel Seamless Steel Pipe API 5L High Quality System 1

Carbon Steel Seamless Steel Pipe API 5L High Quality

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Product Description:

1、Structure of Square Tube Description:

The square tubes are used in structural projects, shelves, racks, trailers and in ornamental purpose. The framework made by square steel tubes, is used for providing support to the roof. This framework is also used as roof top ventilation baffles. With compare to round steel tubes, square steel tubes are little more efficient. The reason is that the square column is more efficient than the solid circular column.

2、Main Features of the Square Tube:

high quality and low peice
quick delievry
in stock
produced by own factory
authentication:CANS CNAB IAF PAC CEC

3、Square Tube Images:

Square Tube with Low Price in China from okorder.com

Packaging & Delivery

Packaging Details	In Bundles, Varnish coating, Ends can be bevelled or square cut, End capped.
Delivery Details	10 days

4、Square Tube Specification：

Standard	JIS, GB, DIN, ASTM JIS G3445-2006, JIS G3444-2006, JIS G3446-2004, JIS G3441, GB/T 8163-1999, GB/T 8162-1999, DIN EN 10216-1-2004, DIN EN 10217-1-2005, DIN EN 10305, ASTM A106-2006, ASTM A53-2007, ASTM A789-2001, ANSI A213-2001, ASTM A179-1990
Grade	10#-45#, Cr-Mo alloy, Mo, Q195-Q345, CrNi alloy 10#, 20#, 45#, 15CrMo, 12CrMo, 13CrMo44, 12CrMo195, 16Mo, 16mo3, Q235, Q345, Q195, Q215, Cr17Ni8, 1Cr13Mn9Ni1N
Thickness	1-50mm
Outer Diameter	1515---8080
Technique	Hot Rolled
Certification	API
Surface Treatment	Copper Coated
Alloy Or Not	Non-alloy

standard: ASTM JIS DIN GB
size: O.D: 10*10——50*50 mm
W.T: 1-50 mm
length: 6-12m or as request

packing: paint,bundles or for the clients’ needs

5、FAQ of Square Tube:
‍‍‍①How is the quality of your products?

Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?

Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?

Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Q: What are the common applications of steel pipes in the water distribution system?: Steel pipes are commonly used in water distribution systems for various applications such as transporting water from treatment plants to homes, buildings, and industries, as well as for underground water mains and fire hydrant systems.

Q: How are steel pipes protected against mechanical damage during transportation?: Steel pipes are protected against mechanical damage during transportation through various measures. One common method is the use of protective coating or wrapping materials. These coatings are usually made of materials like plastic, rubber, or epoxy, which provide a physical barrier to protect the pipes from scratches, dents, or other forms of mechanical damage. Another method is the use of padding or cushioning materials such as foam inserts or rubber gaskets. These materials are placed inside the pipes or around them to absorb any impact or shock during transportation. This helps prevent any potential damage caused by bumps or vibrations. In addition, steel pipes are often secured and immobilized within transportation containers using straps, braces, or other securing devices. These measures ensure that the pipes remain stable and do not move or collide with each other, reducing the risk of mechanical damage. Furthermore, proper handling and loading techniques are crucial in protecting steel pipes during transportation. This includes using appropriate lifting equipment, such as cranes or forklifts, to avoid dropping or mishandling the pipes. Additionally, pipes are often stored or stacked in a way that minimizes the risk of deformation or bending. Overall, a combination of protective coatings, cushioning materials, securement devices, and proper handling techniques are employed to safeguard steel pipes against mechanical damage during transportation. These measures help ensure that the pipes arrive at their destination in optimal condition, ready for use in various applications.

Q: Can steel pipes be used for structural supports?: Yes, steel pipes can be effectively used as structural supports due to their high strength, durability, and ability to withstand heavy loads.

Q: Can steel pipes be used for conveying compressed air?: Yes, steel pipes can be used for conveying compressed air. Steel pipes are commonly used in applications where high pressure and durability are required, such as in industrial settings. Steel pipes have a high tensile strength and can withstand the high pressures generated by compressed air systems. Additionally, steel pipes are resistant to corrosion, which is important when dealing with moisture in compressed air. However, it is important to ensure that the steel pipes are properly sized and rated for the specific pressure and flow requirements of the compressed air system. Additionally, proper installation and maintenance practices should be followed to prevent any potential leaks or failures.

Q: What are the different types of thread connections used in steel pipes?: The different types of thread connections used in steel pipes include tapered threads such as NPT (National Pipe Thread), BSPT (British Standard Pipe Taper), and API (American Petroleum Institute) threads. There are also parallel threads like BSP (British Standard Pipe) and G (ISO 228-1). These thread connections are used to join and seal steel pipes in various industries and applications.

Q: How do steel pipes handle soil movement?: Steel pipes are able to handle soil movement effectively due to their inherent strength and flexibility. The sturdy nature of steel allows the pipes to withstand the pressures exerted by soil movement, while their flexibility enables them to adapt and adjust to changes in the soil's position without fracturing or breaking. Additionally, steel pipes can be designed with specific coatings and reinforcements to further enhance their resistance to soil movement, making them a reliable choice for various applications.

Q: How do steel pipes compare to other pipe materials like PVC or copper?: Steel pipes have several advantages over other pipe materials like PVC or copper. Firstly, steel pipes are incredibly durable and can withstand high levels of pressure and extreme temperatures, making them suitable for a wide range of applications. Secondly, steel pipes have excellent resistance to corrosion, which ensures their longevity and reduces the need for frequent maintenance or replacement. Additionally, steel pipes have a higher strength-to-weight ratio compared to PVC or copper, making them more robust and capable of handling heavy-duty tasks. However, steel pipes can be more expensive and require special equipment for installation. Overall, steel pipes are a reliable and versatile option that offers superior durability and performance compared to other pipe materials.

Q: Are steel pipes suitable for oil and petroleum applications?: Due to their exceptional strength, durability, and resistance to corrosion, steel pipes find extensive use in oil and petroleum applications. With the ability to endure high pressure and extreme temperatures, these pipes are ideal for the long-distance transportation of oil and petroleum. Moreover, steel pipes possess the added advantage of being able to withstand impact and vibrations, both prevalent in the oil and petroleum industry. Furthermore, their ease of welding and connecting facilitates efficient and cost-effective installation. In summary, steel pipes are the favored option for oil and petroleum applications, guaranteeing the secure and efficient conveyance of these valuable resources.

Q: How are steel pipes used in bridge construction?: Steel pipes are commonly used in bridge construction as structural elements to provide support and stability. They are often used as piers, piles, or columns to bear the weight of the bridge and transfer it to the ground. Steel pipes are also utilized in the construction of bridge decks and railings. Their strength, durability, and versatility make them essential components in bridge engineering.

Q: What are the different methods of pipe joining using steel pipes?: There are several methods of pipe joining using steel pipes, each with its own advantages and disadvantages. 1. Threaded and coupled: This method involves threading the ends of the steel pipes and using couplings to connect them. It is a simple and cost-effective method, but it is not suitable for high-pressure or gas applications. 2. Welding: Welding is a popular method for joining steel pipes. It involves heating the ends of the pipes and fusing them together using a welding process. This method creates a strong and leak-proof joint, but it requires skilled labor and can be time-consuming. 3. Grooved: In this method, the ends of the steel pipes are grooved and then connected using mechanical couplings or fittings. It is a quick and reliable method, suitable for both high-pressure and low-pressure applications. However, it requires specialized tools and equipment. 4. Flanged: Flanged joints involve connecting steel pipes using flanges, which are flat discs with bolt holes. The pipes are aligned and bolted together using gaskets to create a secure connection. This method is commonly used for large-diameter pipes and high-pressure applications, but it can be expensive and time-consuming to install. 5. Compression: Compression fittings are used to join steel pipes by compressing a ferrule or sleeve against the pipe. This method is quick, easy, and requires no special tools. However, it is not suitable for high-pressure or high-temperature applications. 6. Brazing: Brazing involves heating the ends of the steel pipes and melting a filler material between them to form a joint. It is a reliable method for joining pipes in HVAC and refrigeration systems, but it requires skilled labor and careful temperature control. It is important to consider the specific requirements of the application, such as pressure, temperature, and material compatibility, when selecting the appropriate method of pipe joining using steel pipes.

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