Resonable Price Seamless Steel Pipe with High Quality from CNBM

Resonable Price Seamless Steel Pipe with High Quality from CNBM System 1

Resonable Price Seamless Steel Pipe with High Quality from CNBM

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 200 m.t.

Supply Capability:: 3000000 m.t./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

‍‍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.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: What is the maximum bending radius for steel pipes?: The maximum bending radius for steel pipes typically depends on the specific grade and diameter of the pipe, but generally, it ranges from three to five times the pipe's outer diameter.

Q: How are steel pipes used in the manufacturing of oil refineries?: Steel pipes are used extensively in oil refineries for various purposes. They are primarily used for transporting crude oil, refined petroleum products, and various chemicals within the refineries. These pipes are also crucial for the distribution of water, steam, and other fluids required for the refining processes. Additionally, steel pipes are used in the construction of various equipment and structures in oil refineries, including storage tanks, heat exchangers, and process units. Overall, steel pipes play a vital role in ensuring the safe and efficient operation of oil refineries.

Q: How do you calculate the pipe pressure drop coefficient for steel pipes?: To calculate the pipe pressure drop coefficient for steel pipes, you can use the Darcy-Weisbach equation. This equation relates the pressure drop in a pipe to various factors such as the flow rate, pipe diameter, pipe length, and the properties of the fluid being transported. The pressure drop coefficient, also known as the friction factor or the Darcy-Weisbach friction factor, is denoted by the symbol f. It is a dimensionless parameter that represents the resistance to flow in the pipe. The value of f depends on the flow regime, which can be laminar or turbulent. For laminar flow, which occurs at low flow rates or with viscous fluids, the pressure drop coefficient can be calculated using the Hagen-Poiseuille equation. This equation relates the pressure drop to the fluid viscosity, pipe length, pipe diameter, and flow rate. However, for turbulent flow, which occurs at higher flow rates, the calculation of the pressure drop coefficient is more complex. It depends on the roughness of the pipe wall, which affects the flow resistance. The roughness is typically quantified using the relative roughness, which is the ratio of the pipe wall roughness to the pipe diameter. To calculate the pressure drop coefficient for turbulent flow in steel pipes, you can use empirical correlations or Moody's diagram. Moody's diagram provides a graphical representation of the friction factor as a function of the Reynolds number and the relative roughness. The Reynolds number represents the flow regime and is calculated using the fluid properties, flow rate, and pipe dimensions. By finding the intersection of the Reynolds number and relative roughness on Moody's diagram, you can determine the corresponding pressure drop coefficient. It's important to note that the pressure drop coefficient for steel pipes may vary depending on the specific pipe dimensions, surface roughness, and fluid properties. Therefore, it is recommended to consult relevant standards or engineering references for accurate and up-to-date values of the pressure drop coefficient for steel pipes in your specific application.

Q: How are steel pipes measured and categorized?: Steel pipes are typically measured and categorized based on their outer diameter (OD) and wall thickness. The OD is measured in inches or millimeters, while the wall thickness is measured in inches or centimeters. Pipes are further categorized based on their schedule, which refers to the wall thickness and determines the pressure rating of the pipe. The schedule is denoted by a letter or number, such as Schedule 40 or Sch 80. These measurements and categorizations help in selecting the appropriate steel pipe for different applications and ensure compatibility with fittings and other components.

Q: Can steel pipes be used for conveying slurry?: Yes, steel pipes can be used for conveying slurry. Steel pipes are widely used in various industries for transporting different types of fluids, including slurry. Slurry is a mixture of solid particles suspended in a liquid, and steel pipes are well-suited for handling such mixtures due to their strength, durability, and resistance to corrosion. Steel pipes are also known for their high-pressure and high-temperature capabilities, making them suitable for conveying slurry in demanding applications such as mining, dredging, and wastewater treatment. Additionally, steel pipes can be easily welded, allowing for the construction of long pipelines that can efficiently transport slurry over long distances. However, it is important to consider the specific characteristics of the slurry being conveyed, such as particle size, density, and abrasiveness, to ensure proper pipe selection and design for optimal performance and longevity.

Q: How are steel pipes tested for pressure and leakage?: Steel pipes are tested for pressure and leakage through various methods including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water and applying pressure to check for any leaks or weaknesses. Pneumatic testing involves using compressed air instead of water. Ultrasonic testing uses high-frequency sound waves to detect any flaws or defects in the pipe material. These testing methods ensure that steel pipes meet the required standards for pressure and leakage resistance.

Q: How are steel pipes repaired in case of damage?: Steel pipes can be repaired in case of damage through various methods such as welding, patching, or using clamps. The specific repair technique depends on the type and extent of the damage.

Q: How are steel pipes used in the manufacturing of furniture?: Steel pipes are commonly used in the manufacturing of furniture to provide structural support, such as in the construction of chair and table frames. They are also used as a base for attaching other materials, such as wood or fabric, and can be bent, shaped, and welded to create various designs and styles.

Q: How do steel pipes handle seismic activities?: Steel pipes are highly durable and flexible, making them well-suited for handling seismic activities. The inherent strength and elasticity of steel allow the pipes to withstand ground movements during earthquakes without fracturing or collapsing. Additionally, steel pipes can absorb and distribute seismic forces throughout their structure, reducing the risk of damage or failure.

Q: What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?: Carbon steel is actually relative to alloy steel, mainly carbon content, and 20# seamless steel is carbon steel! In addition, there are stainless steel, stainless steel is considered a kind of alloy steel, but the processing is not the same, the performance is not the same, good looking outside!The description of the material in alloy steel is actually the content of the metal elements in the steel (usually the percentage number).

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