• Top Supplier of Seamless Steel Pipe with high quality System 1
  • Top Supplier of Seamless Steel Pipe with high quality System 2
Top Supplier of Seamless Steel Pipe with high quality

Top Supplier of Seamless Steel Pipe with high quality

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
10000 m.t./month

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Quick Details

Thickness:

1 - 80 mm

Section Shape:

Round

Outer Diameter:

0.25 - 16 inch

Place of Origin:

Shandong China (Mainland)

Secondary Or Not:

Non-secondary

Application:

Fluid Pipe

Technique:

Hot Rolled,hot rolled and cold drawn

Certification:

API

Surface Treatment:

painted

Special Pipe:

API Pipe

Alloy Or Not:

Non-alloy

model number:

ASTM A106-B

usage:

mechanical or fluid

WT:

1mm to 80mm

OD:

10mm to 406mm

surface:

black painted

Grade:

10#,20#,15CrMo,35CrMo4,30CrMo,16Mn,A53(A,B),A106(B,C),API J55,API K55,St52,St52.4,STPG42,Q345,10#-45#,Cr-Mo alloy,A53-A369,API J55-API P110,ST35-ST52,Q195-Q345

Standard:

BS 3059-2,JIS G3454-2007,JIS G3455-2005,JIS G3452-2004,GB 3087-1999,GB/T 8163-1999,DIN 17175,ASTM A53-2007,API 5CT,BS,JIS,GB,DIN,ASTM,API

Packaging & Delivery

Packaging Detail:Packing: In bundles, Varnish coating, Ends can be bevelled or square cut, End capped
Delivery Detail:Depends on your order quantity.

Specifications

1.Seamless pipe professor
2.MTC,ISO,API certificate
3.ASTM,DIN,BS,JIS
4.On time delivery
5.Big store,excellent package.

 Liaocheng Tongyun Pipe Industry Co.,Ltd-- Seamless Steel Pipe Professor

1.Our pipe size 

             OD: 1/8'' to 16'', nomical thickness :Sch5s to XXS

             OD 14mm to 325mm, wall thickness: 1mm to 80mm 

             Also we can produce expand pipe from 20'' to 24''

2.Our pipe including:

              ASTM A106 seamless carbon steel pipe

              Structure steel pipe

              ASTM A179 cold drawn low carbon steel pipe

              ASTM A192 steel boiler tubes

              ASTM SA213/A519 alloy steel pipe

              DIN1629/EN10216-1 Pipe line

              DIN17175/EN10216-2 Heat Resisting seamless steel pipe lines

              DIN 2391-1 cold drawn or cold rolled steel tube

              API SPEC 5CT Tubing and Casing 

              Cylinders Steel Pipe

3.Package:

            Bundle package

            Bevelled end or plain end 

            Painting varnish coating 

            PVC covered and both ends capped 

4.Min order: 10 metic tons.

5.Length: 12meters Max

 

Q:How do you select the right size of steel pipe for a project?
To select the right size of steel pipe for a project, you need to consider factors such as the intended application, flow rate, pressure requirements, and structural integrity. It is essential to consult industry standards and guidelines, conduct engineering calculations, and seek professional advice to determine the appropriate pipe size that ensures optimal performance and safety for your specific project.
Q:How do you calculate the flow rate through a steel pipe?
To calculate the flow rate through a steel pipe, you need to consider several factors. The most important ones are the diameter of the pipe, the pressure difference across the pipe, and the properties of the fluid flowing through it. Firstly, measure the inside diameter of the steel pipe accurately. This measurement is essential as it determines the cross-sectional area through which the fluid flows. The units for the diameter should be consistent with the units used for other measurements. Next, determine the pressure difference across the pipe. This can be done by measuring the pressure at two points along the pipe, typically at the inlet and outlet. The pressure measurements should be taken at the same height to avoid any discrepancies. The pressure difference is usually given in units of pressure (such as psi, kPa, or bar). Once you have the diameter and pressure difference, you can use the Bernoulli equation or the Darcy-Weisbach equation to calculate the flow rate. The Bernoulli equation relates the pressure difference to the velocity of the fluid. However, this equation assumes ideal conditions, neglecting factors such as friction losses, viscosity, and turbulence. The Darcy-Weisbach equation is more accurate and considers these factors. To use the Darcy-Weisbach equation, you need to know the properties of the fluid flowing through the pipe, such as its density and viscosity. These properties can be determined either through experimentation or by referring to literature values. Once you have all the necessary information, you can use the Darcy-Weisbach equation: Q = (π/4) * D^2 * √[(2 * ΔP) / (ρ * f * L)] Where: Q is the flow rate (in cubic meters per second or any other consistent units) D is the diameter of the pipe (in meters or any other consistent units) ΔP is the pressure difference across the pipe (in Pascals or any other consistent units) ρ is the density of the fluid flowing through the pipe (in kilograms per cubic meter or any other consistent units) f is the friction factor, which depends on the Reynolds number and the roughness of the pipe. L is the length of the pipe (in meters or any other consistent units) By plugging in the values for all the variables, you can calculate the flow rate through the steel pipe accurately.
Q:What is the role of steel pipes in the transportation of water?
The role of steel pipes in the transportation of water is to provide a durable and reliable infrastructure for the safe and efficient conveyance of water from its source to various destinations. Steel pipes are known for their strength, corrosion resistance, and ability to withstand high pressure, making them ideal for water transportation systems. These pipes ensure that water is delivered to homes, businesses, and other locations, while maintaining its quality and preventing leaks or contamination.
Q:How do you calculate the pipe buoyancy for steel pipes in water?
To calculate the pipe buoyancy for steel pipes in water, you need to consider the weight of the water displaced by the submerged portion of the pipe. This can be done using Archimedes' principle, which states that the buoyant force on an object immersed in a fluid is equal to the weight of the fluid displaced by the object. First, calculate the volume of the submerged portion of the pipe. This can be done by multiplying the cross-sectional area of the pipe by the length of the submerged portion. Next, determine the density of the water in which the pipe is submerged. Typically, this value is around 1000 kg/m³ for freshwater and slightly higher for seawater. Multiply the volume of the submerged portion of the pipe by the density of the water to find the weight of the water displaced. Finally, compare the weight of the water displaced to the weight of the steel pipe. If the weight of the water displaced is greater than the weight of the pipe, the pipe will be buoyant and tend to float. If the weight of the pipe is greater, it will sink. It's important to note that other factors such as pipe design, wall thickness, and external forces acting on the pipe may also influence its buoyancy. Therefore, it's recommended to consult industry-specific guidelines or seek expert advice for accurate calculations in specific scenarios.
Q:How are steel pipes tested for quality assurance?
Steel pipes are tested for quality assurance through various methods such as hydrostatic testing, non-destructive testing (NDT) techniques like ultrasonic testing, magnetic particle testing, and visual inspection. These tests ensure that the pipes meet the required standards and specifications, checking for flaws, defects, and proper dimensional accuracy.
Q:How do you calculate the maximum allowable deflection for steel pipes?
To calculate the maximum allowable deflection for steel pipes, you need to consider various factors such as the pipe diameter, material properties, support conditions, and the desired level of deflection. The maximum allowable deflection is typically determined based on industry standards and codes. One commonly used method for calculating the maximum allowable deflection is based on the pipe's span-to-diameter ratio (L/D ratio). The L/D ratio is the ratio of the pipe's span (distance between supports) to its diameter. Several industry codes provide guidelines on the maximum allowable deflection based on the L/D ratio. For example, the American Society of Mechanical Engineers (ASME) B31.1 Power Piping Code suggests that for carbon steel pipes, the maximum allowable deflection should not exceed 3% of the pipe's span for an L/D ratio of 100 or less. However, for higher L/D ratios, the deflection limit decreases, ensuring the pipe's stability and structural integrity. To calculate the maximum allowable deflection using the L/D ratio method, you would first determine the L/D ratio based on the span and diameter of the pipe. Then, referring to the applicable code or standard, you can find the corresponding maximum allowable deflection limit. It is important to note that other factors such as the pipe material's yield strength, wall thickness, and the type of loading (e.g., dead load, live load) also influence the maximum allowable deflection. Therefore, it is crucial to consult the relevant industry standards, codes, and engineering principles to accurately calculate the maximum allowable deflection for steel pipes.
Q:How do you calculate the deflection of a steel pipe?
To determine the deflection of a steel pipe, one must take into account various factors, including material properties, applied loads, and geometrical characteristics. The following steps can serve as a guide: 1. Material properties must be determined. This involves obtaining information about the steel pipe, such as its Young's modulus (E), which signifies its stiffness or resistance to deformation. Typically, this value is provided by the manufacturer or can be found in material databases. 2. The applied loads need to be analyzed. It is necessary to identify the types and magnitudes of the loads acting on the steel pipe. These loads can consist of point loads, distributed loads, or a combination of both. Additionally, the location and orientation of the applied loads must be determined. 3. The geometry of the pipe must be evaluated. The dimensions of the steel pipe, including its length (L), outer diameter (D), and wall thickness (t), should be measured or obtained. Accuracy in these values is crucial for precise calculations. 4. An appropriate calculation method should be selected. Depending on the complexity of the loading and support conditions, one may need to employ either simple beam theory or more advanced structural analysis methods, such as the finite element method (FEM). 5. The relevant equations must be applied. For simple beam theory, the Euler-Bernoulli beam equation can be utilized to calculate the deflection at a specific point on the pipe. This equation assumes the pipe is homogeneous, linearly elastic, and subjected to small deflections. In more complex scenarios, FEM software can handle the calculations. 6. Boundary conditions must be determined. The support conditions at both ends of the pipe, which can include fixed supports, simply supported ends, or combinations of both, need to be identified. These conditions significantly influence the deflection of the pipe. 7. The deflection can be calculated. By using the equations relevant to the chosen method and incorporating the material properties, applied loads, and geometry, one can calculate the deflection at specific points along the steel pipe. The deflection can be measured in terms of vertical displacement or angular rotation. It is important to note that calculating the deflection of a steel pipe may require specialized engineering knowledge and software tools. If one lacks experience in structural analysis, it is advisable to consult a professional engineer to ensure accurate results and safe design.
Q:What type of steel pipe for security windows?
Stainless steel security window generally use 25 square tubes and 19 round tubes! 25/38 tubes and 22 round tubes are also available!
Q:What are the non-destructive testing methods used for steel pipes?
Some of the non-destructive testing methods used for steel pipes include ultrasonic testing, magnetic particle testing, liquid penetrant testing, radiographic testing, and eddy current testing.
Q:Can steel pipes be used in the oil and gas industry?
Indeed, the oil and gas industry commonly utilizes steel pipes. Renowned for their robustness, longevity, and resistance to corrosion, steel pipes are well-suited for the transportation and storage of diverse fluids and gases within this sector. They possess the ability to endure high pressure and extreme temperatures, which are frequently encountered during oil and gas operations. Moreover, the ease with which steel pipes can be welded together facilitates efficient assembly and maintenance. Consequently, steel pipes represent a dependable and economically sound option for the oil and gas industry.

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