• Seamless Steel Pipe For Fluid Transmission Service System 1
  • Seamless Steel Pipe For Fluid Transmission Service System 2
  • Seamless Steel Pipe For Fluid Transmission Service System 3
Seamless Steel Pipe For Fluid Transmission Service

Seamless Steel Pipe For Fluid Transmission Service

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
20MT m.t.
Supply Capability:
5000 Tons Per Month m.t./month

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Specifications of Seamless Steel Pipe For Fluid Transmission Service:

Standard:Chinese GB/T8163

Main steel pipe grade : 10 20 Other grade is also negotiable.

Chemical Compositon & Mechanical Propertise 

Standard

Grade

Chemical Compositon(%)

C

Mn

Si

Cr

Ni

Cu

P.S

GB/T8163

10

0.07~0.13

0.35~0.65

0.17~0.37

≤ 0.15

≤ 0.30

≤ 0.25

≤ 0.030

20

0.17~0.23

0.35~0.65

0.17~0.37

≤ 0.25

≤ 0.25

≤ 0.25

≤ 0.030

Q345

0.12~0.20

1.20~1.60

0.20~0.55

≤ 0.030

Mechanical Propertise

Tensile Strength ( Mpa 

YieldStrength(Mpa)

Elongation%

10

335~475

≥ 205

≥ 24

20

410~550

≥ 245

≥ 20

Q345

490~665

≥ 325

≥ 21

 

Usage/Applications:

It is used for conveying water,petroleum,gas and other common fluids.

Packaging & Delivery:

Each bundles pipes will be bundled with 6-8 pcs steel strips and with shipping marks and 2 nylon strips 

40-50 days delivery on china port upon receiving orinigal LC or prepayment.

 

 

Q: How are steel pipes protected against soil movement?
Steel pipes are protected against soil movement through the use of various measures such as proper installation techniques, trench stabilization, and the implementation of protective coatings. Additionally, the pipes may be anchored or encased in concrete to prevent movement or damage caused by shifting soil.
Q: What are the factors that affect the pressure rating of steel pipes?
There are several factors that can affect the pressure rating of steel pipes. These include the material and grade of the steel used, the wall thickness of the pipe, the diameter of the pipe, the temperature at which the pipe will be operating, and the type of fluid or gas being transported through the pipe. Additionally, factors such as corrosion, external loads, and installation methods can also impact the pressure rating of steel pipes.
Q: How do you calculate the pipe friction loss for steel pipes?
To calculate the pipe friction loss for steel pipes, you need to use the Darcy-Weisbach equation. This equation is commonly used in fluid dynamics to determine the pressure drop or friction loss due to the flow of fluid through a pipe. The equation is as follows: ΔP = (f * L * ρ * V²) / (2 * D) Where: ΔP = Pressure drop or friction loss f = Darcy friction factor L = Length of the pipe ρ = Density of the fluid V = Velocity of the fluid D = Diameter of the pipe The Darcy friction factor (f) is a dimensionless value that depends on the Reynolds number (Re) and the relative roughness (ε/D) of the pipe, where ε is the absolute roughness of the pipe. To determine the friction factor, you can use various correlations or Moody's diagram. Once you have the friction factor, you can plug in the values for length, density, velocity, and diameter into the equation to calculate the pressure drop or friction loss. It is important to note that the units of all the variables should be consistent (e.g., length in meters, density in kg/m³, velocity in m/s, diameter in meters) to obtain accurate results. By using this equation and obtaining the necessary parameters, you can calculate the pipe friction loss for steel pipes, which is crucial in designing and analyzing fluid flow systems.
Q: How are steel pipes connected to other plumbing components?
Steel pipes are commonly connected to other plumbing components through various methods, depending on the specific application and requirements. The most common methods of connecting steel pipes to other plumbing components include threading, welding, and using mechanical fittings. Threading is a process where the ends of the steel pipes are cut and grooves are created on the outer surface to form a threaded connection. This allows the pipes to be screwed into fittings such as elbows, tees, or couplings. Threaded connections are often used in smaller diameter pipes and low-pressure applications. Welding is another commonly used method to connect steel pipes. It involves heating the ends of the pipes and joining them together by melting the metal at the point of contact. This creates a strong and permanent connection. Welded connections are often used in larger diameter pipes and high-pressure applications. Mechanical fittings are another popular option for connecting steel pipes. These fittings are designed to be easily installed without the need for welding or threading. They typically consist of two parts – a compression ring and a nut. The compression ring is placed over the pipe, and the nut is tightened, compressing the ring onto the pipe and creating a secure connection. Mechanical fittings are commonly used in both residential and commercial plumbing systems. In addition to these methods, other connection techniques such as flanges, grooved couplings, and soldering can also be used to connect steel pipes to other plumbing components, depending on the specific needs of the system. Overall, the method used to connect steel pipes to other plumbing components depends on factors such as the size of the pipes, the pressure of the system, the type of fluid being transported, and the specific requirements of the project. It is important to choose the appropriate method and ensure that the connections are properly installed to ensure the integrity and efficiency of the plumbing system.
Q: What is the difference between hot-rolled and cold-rolled steel pipes?
Hot-rolled steel pipes are manufactured by heating the steel billets or coils to a high temperature, which allows for easier shaping and forming. The hot-rolled process also results in a rougher surface finish and larger tolerances. In contrast, cold-rolled steel pipes are made by rolling the steel at a lower temperature, resulting in a smoother surface finish, tighter tolerances, and improved strength and durability.
Q: Can steel pipes be used for transporting drinking water?
Yes, steel pipes can be used for transporting drinking water. Steel pipes are commonly used in water distribution systems and have been used for many years. They are known for their durability, strength, and resistance to corrosion. However, it is important to ensure that the steel pipes used for transporting drinking water are properly coated or lined to prevent any potential contamination from the metal. Additionally, regular inspections and maintenance should be carried out to ensure the integrity of the pipes and to prevent any leaks or breaks that could compromise the quality of the water.
Q: What is the cost of steel pipes compared to other materials?
The cost of steel pipes is generally higher compared to other materials due to its durability, strength, and versatility. However, it provides excellent long-term value and is often preferred for its reliability and resistance to corrosion, making it a worthwhile investment for various applications.
Q: Hot galvanized steel pipe for use?
The use of hot galvanized steel pipe: mainly used for the delivery of gas, heating.In the greenhouse gas, heating, with the kind of pipe and galvanized pipe, galvanized pipe as a water pipe, produced a lot of rust in the tube, the outflow of water not only pollute the sanitary ware, and mixed with smooth inner wall corrosion caused by bacteria, heavy metal content in the water is too high, serious harm to human health. In 60s and 70s, developed countries began to develop new types of pipes, and galvanized pipes were banned. China's Ministry of construction and other four ministries have also issued a civilization, from two, 000 years since the prohibition of galvanized pipe, the current New District cold water pipe has rarely used galvanized pipe, and some of the hot water pipe is galvanized pipe.
Q: Are steel pipes suitable for underground sewage systems?
Yes, steel pipes are suitable for underground sewage systems. Steel pipes are known for their strength, durability, and resistance to corrosion, making them an ideal choice for underground installations. Steel pipes can withstand the pressure and weight of the soil above, ensuring the integrity of the sewage system. Additionally, steel pipes have a long lifespan and can withstand extreme temperatures and environmental conditions, making them a reliable choice for underground applications. However, it is important to note that proper coating and insulation should be applied to steel pipes to prevent corrosion and ensure longevity.
Q: Can steel pipes be used for underground utility lines?
Yes, steel pipes can be used for underground utility lines. Steel pipes are known for their durability and strength, making them suitable for underground applications. They can withstand heavy loads, pressure, and corrosion, which are essential factors for utility lines that are buried underground. Additionally, steel pipes can be welded or threaded together, allowing for easy installation and maintenance.
After more than a decade’s construction and development, we have taken a leading position in seamless steel tube industry in China. In the year 2007, it awarded Famous-brand product Certificate. Besides, we have been named as excellent supplier of Qualified Products by our customers for several times.

1. Manufacturer Overview

Location Wuxi, China
Year Established 1991
Annual Output Value 300,000Tons
Main Markets Europe; Southeast Asia; etc.
Company Certifications API 5L;API 5CT;API Q1;ISO/TS29001

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a) Trade Capacity
Nearest Port Wuxi; Shanghai
Export Percentage 41% - 50%
No.of Employees in Trade Department 3900-4000 People
Language Spoken: English; Chinese; Spanish
b) Factory Information
Factory Size: Above 450,000 square meters
No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Average

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