CNBM seamless steel tubes hot selling with high quality

CNBM seamless steel tubes hot selling with high quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m

Supply Capability:: 200000 m/month

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1.Structure of Seamless Steel Pipe Description:

A large amount of Seamless Steel Pipes is offered to the clients at cost effective rates. These pipes are extremely durable, resistant to corrosion and have high tensile strength. Our pipes are used in nuclear plants, power plants, refineries and construction industry across the country. Furthermore, we are capable of providing these seamless pipes to the clients in bulk quantity.

2.Main Features of the Steel Pipe:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

•Reasonable price

3.Packaging & Delivery：

Packaging Details:	Seaworthy packages, bundles wrapped with strong steel strip
Delivery Detail:	15-30 days after received 30% TT

‍‍4.Seamless Steel Pipe Specification：‍‍

Standard:	GB, DIN, ASTM，ASME, ASTM A106-2006, ASTM A53-2007
Grade:	10#,20#, 45#, 16Mn
Thickness:	8 - 33 mm
Section Shape:	Round
Outer Diameter:	133 - 219 mm
Place of Origin:	Shandong, China (Mainland)
Secondary Or Not:	Non-secondary
Application:	Hydraulic Pipe
Technique:	Cold Drawn
Certification:	API
Surface Treatment:	factory state or painted black
‍‍‍Special Pipe:	API Pipe
Alloy Or Not:	Non-alloy
‍Length：	5-12M
Outer Diameter:	21.3-610mm

5.Product pictures

CNBM seamless steel tubes hot selling with high quality

6.FAQ of Seamless steel pipe:

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.

Any question, pls feel free to contact us !

Q: How are steel pipes protected against rusting?: Steel pipes are protected against rusting through a process called corrosion protection. There are several methods employed to prevent rust formation on steel pipes, including: 1. Coatings: One common method is applying various coatings to the surface of the steel pipes. These coatings act as a barrier, preventing oxygen and moisture from reaching the metal surface and initiating the rusting process. Coating options include epoxy, polyethylene, zinc, or even a combination of these materials. 2. Galvanization: Galvanizing steel pipes involves immersing them in a bath of molten zinc. This process creates a protective layer of zinc on the surface of the pipes which acts as a sacrificial barrier. If any small areas of the pipe surface are exposed, the zinc coating will corrode instead of the steel, providing ongoing protection against rust. 3. Cathodic Protection: This method utilizes an electrical current to protect the steel pipes. By connecting the pipes to a sacrificial anode, usually made of zinc or magnesium, the anode will corrode instead of the steel pipes when exposed to moisture and oxygen. This process is commonly used in underground or underwater applications. 4. VCI (Vapor Corrosion Inhibitor) Technology: VCI technology involves the use of chemical compounds that release a vapor that protects the steel pipes from rusting. These compounds form a thin layer on the surface of the pipes, inhibiting the corrosion process by neutralizing oxygen and moisture. 5. Regular Maintenance: In addition to the above methods, regular inspection and maintenance are crucial to prevent rust formation on steel pipes. This includes cleaning the pipes, removing any accumulated debris or corrosive substances, and repairing any damaged coatings or protective layers. Overall, these methods of corrosion protection effectively safeguard steel pipes from rusting, ensuring their longevity and durability in various industrial, commercial, and residential applications.

Q: Can steel pipes be used for cooling systems?: Steel pipes are a viable option for cooling systems. They are frequently employed in different scenarios, such as cooling systems, because of their robustness, strength, and ability to withstand high temperatures and pressure. Industrial cooling systems, in particular, benefit from steel pipes due to the harsh environmental conditions and corrosive fluids they often encounter. Moreover, steel pipes possess outstanding heat conductivity, which facilitates efficient heat transfer, rendering them a dependable choice for cooling purposes. Furthermore, steel pipes can be easily tailored, joined, and adjusted to fulfill specific cooling system needs. Nevertheless, it is crucial to ensure that the steel pipes utilized are adequately coated or insulated to prevent corrosion and minimize heat dissipation.

Q: What is the tensile strength of steel pipes?: The tensile strength of steel pipes can vary depending on the grade and type of steel used. However, on average, steel pipes typically have a tensile strength ranging from 300 to 700 megapascals (MPa).

Q: What are the different types of steel pipe coatings for underground applications?: There are several types of steel pipe coatings used for underground applications, including fusion bonded epoxy (FBE), coal tar enamel (CTE), polyethylene (PE), and polyurethane (PU). These coatings provide corrosion protection and increase the lifespan of the steel pipes in underground environments.

Q: Are steel pipes more expensive than other types of pipes?: The cost of steel pipes can vary compared to other pipe types due to various factors. In terms of upfront cost, steel pipes are generally more expensive than certain pipe types. This is primarily because the production process and raw materials for steel pipes are highly costly. Additionally, steel pipes are renowned for their strength and durability, making them a popular option for applications involving high pressure or extreme conditions. However, when considering long-term costs and benefits, steel pipes are often more economically viable. They have a longer lifespan compared to certain pipes, reducing the need for frequent repairs or replacements. Furthermore, steel pipes possess excellent corrosion resistance, making them suitable for diverse environments and reducing maintenance expenses over time. Moreover, the strength and durability of steel pipes contribute to a reduced likelihood of leaks or failures, resulting in significant cost savings to prevent damage or loss. When comparing the cost of steel pipes to other pipe types, it is crucial to consider the specific requirements and characteristics of the project or application. Factors like the transported fluid or material, required pressure rating, expected lifespan, and environmental conditions should all be taken into account. Ultimately, despite steel pipes having a higher upfront cost, their long-term durability and reliability often make them a cost-effective choice in numerous applications.

Q: How are steel pipes used in nuclear power plants?: Steel pipes are used in nuclear power plants for various purposes, including transporting coolant, steam, and other fluids, as well as providing structural support for the plant's infrastructure.

Q: Can steel pipes be used for water supply networks?: Yes, steel pipes can be used for water supply networks. Steel pipes are commonly used in water supply systems due to their durability, strength, and resistance to corrosion. They are able to withstand high pressure and can safely transport water over long distances. Additionally, steel pipes are highly versatile and can be easily connected, making them suitable for various water supply network applications.

Q: How are steel pipes insulated?: Steel pipes are typically insulated using various methods such as applying insulation materials like fiberglass, mineral wool, or foam directly onto the surface of the pipes. This insulation helps to prevent heat loss, control condensation, and protect against corrosion. Additionally, some pipes may also be wrapped with reflective foil or jacketed with a protective covering to enhance insulation efficiency and durability.

Q: Do steel pipes expand or contract with temperature changes?: Steel pipes expand when subjected to an increase in temperature and contract when exposed to a decrease in temperature. This phenomenon is a result of the thermal expansion and contraction properties of steel, which is a characteristic of most materials. When steel pipes are heated, the molecules within the metal gain energy and vibrate more vigorously, causing them to move apart and expand in size. Conversely, when the temperature of the steel pipes decreases, the molecules lose energy and move closer together, resulting in a contraction or shrinkage in size. It is important to consider these thermal expansion and contraction properties of steel pipes when designing and installing them, as failure to account for these changes may lead to structural damage, leaks, or other issues.

Q: Can steel pipes be used for oil refineries?: Yes, steel pipes can be used for oil refineries. Steel pipes are commonly used in oil refineries due to their high strength, durability, and resistance to corrosion. They can handle the high pressure and temperature requirements of the oil refining process, making them suitable for transporting and distributing various petroleum products within the refinery.

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