Hollow Section-Square Pipes With Lowest price

Hollow Section-Square Pipes With Lowest price System 1

Hollow Section-Square Pipes With Lowest price

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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. Specification of ERW Welded Pipes-Square Tube and Pipe for Furniture ASTM A53 Hollow Section

1) Application: Greenhouse pipes, scaffolding pipes, transportation the ocean oil and gas, mechanical tube of ocean platform, power station, chemical industry and building, construction foundation piles, steel structure building, for low-pressur fluid service, steel structure bridges etc.

2) Standard: ASTM A53, BS1387, GB/T9711, GB/T39013

3) Steel Grade: Q195/Q215/Q235/Q345

2. Sizes of ERW Welded Pipe- Square Tube and Pipe for Furniture ASTM A53 Hollow Section

Outer Diameter: 1/2"x1/2"-16"x16''

Thickness:4.0-12.75mm

Length: As costumer's requirement

2. Packing & Delivery

Packing Detail: Packing in bundle with steel strips;with seaworthy package at the end; could be done with your requirement

Delivery Time: Within 30 Days after the reception of prepayment or L/C

3. Data Sheet

Standard: ASTM A53

Mechanical Properties

Standard	Grade	（MPa）	（MPa）
Standard	Grade	Yield strength	Tensile Strength
ASTM A53M	A	205	330
ASTM A53M	B	240	415

Chemical Composition(%)

Standard	Grade	C	Mn	P	S	V	Ni	Cu	Cr	Mo
Standard	Grade	Max	Max	Max	Max	Max	Max	Max	Max	Max
ASTM A53M	A	0.25	0.95	0.05	0.045	0.08	0.4	0.5	0.4	0.15
ASTM A53M	B	0.30	1.20	0.05	0.045	0.08	0.4	0.5	0.4	0.15

Q: How can the immersed pipe pile put steel cage into the steel pipe? Which expert to answer?: Pile: refers to the use of hammer piling method and pile vibration method, steel casing with valve type pile tip or precast reinforced concrete pile boots into the soil, then pouring concrete (or first in the tube into the cage), while hammering or vibration of a pile side pull tube. The former is called hammer sinking pipe cast-in-place pile, and the latter is called vibrating sinking pipe cast-in-place pile.

Q: Are steel pipes suitable for nuclear power plants?: Yes, steel pipes are suitable for nuclear power plants. Steel pipes are commonly used in nuclear power plants due to their high strength, durability, and resistance to high temperatures and pressures. They are used for various applications such as transporting coolant, steam, and other fluids within the plant. Additionally, steel pipes can be fabricated to meet specific requirements and withstand the harsh operating conditions of nuclear power plants, making them a reliable and suitable choice for this industry.

Q: How are steel pipes measured?: Steel pipes are typically measured by their outside diameter (OD) and wall thickness. The OD is measured using a caliper or tape measure, while the wall thickness is determined by a gauge or ultrasonic testing. These measurements are crucial in determining the appropriate size and strength of a steel pipe for various applications.

Q: How do steel pipes handle vibrations?: Steel pipes are known for their ability to handle vibrations effectively. Due to their strong and rigid nature, steel pipes can withstand various types of vibrations, including mechanical vibrations and seismic activities. The resilience of steel pipes is attributed to their structural integrity and strength. Steel pipes have high tensile strength, which enables them to resist deformation or breakage when subjected to vibrations. They are also resistant to fatigue, meaning they can endure repeated vibrations without experiencing any significant damage. This makes steel pipes ideal for applications that involve constant or cyclic vibrations, such as in industrial settings or for transportation of fluids through pipelines. Moreover, steel pipes have the advantage of being able to dampen vibrations due to their mass. The weight of the steel pipe helps absorb and dissipate the energy produced by vibrations, preventing excessive movement or oscillation. This damping effect contributes to the overall stability and durability of the pipe system. To further enhance the ability of steel pipes to handle vibrations, various measures can be taken. These may include the use of vibration isolators or dampers, which are devices designed to reduce the transmission of vibrations from the surrounding environment. Additionally, proper installation techniques and regular maintenance can help ensure that steel pipes continue to perform optimally under vibration-prone conditions. In summary, steel pipes are well-suited to handle vibrations due to their strength, resistance to fatigue, and ability to dampen vibrations. Their robustness and durability make them a reliable choice for applications where vibrations are a concern, ensuring the safe and efficient transport of fluids or materials.

Q: Difference between cold rolled steel pipe and common steel pipe: 1, from the dimension accuracy above, cold-rolled steel pipe size is good, high precision2. from the outward appearance, the surface of cold-rolled steel pipe is bright, and the surface of hot rolled steel pipe has obvious oxide skin or red rust

Q: How are steel pipes used in offshore drilling platforms?: Steel pipes are used in offshore drilling platforms to transport drilling fluids, such as mud and cement, from the drilling rig to the wellbore. These pipes are also used to extract oil and gas from the well by connecting the drilling rig to the subsea wellhead. Additionally, steel pipes provide structural support and stability to the drilling platform, ensuring safe and efficient operations in harsh offshore environments.

Q: What are the different methods of pipe joining for steel pipes?: The different methods of pipe joining for steel pipes include welding, threaded connections, flanged connections, and grooved connections. Welding involves melting the two ends of the pipes together to form a strong bond. Threaded connections involve screwing the pipes together using thread tape or sealants to create a tight seal. Flanged connections use flanges and bolts to join the pipes together, providing a secure and leak-proof connection. Grooved connections involve using grooved couplings and gaskets to connect the pipes, allowing for quick and easy installation.

Q: What is ND steel pipe?: ND steel also has the ability to resist chloride ion corrosion. ND steel pipe, the main reference indicators (70 degrees Celsius, 50%H2SO4 solution immersion 24 hours), and carbon steel, Japan imported similar steel, stainless steel corrosion resistance compared to higher than these steel grades. Products by domestic refineries and manufacturing units after the use of widely acclaimed, and achieved good results.

Q: What do you mean by "SC" in welded pipe SC200? What's the diameter of 200?: Including galvanized steel pipe, but galvanized steel pipe is generally used for plumbing professional, electrical professional generally only civil air defense or high anti-corrosion requirements of the region;

Q: Can steel pipes be bent or shaped to meet specific requirements?: Yes, steel pipes can be bent or shaped to meet specific requirements through various techniques such as hot bending, cold bending, or using specialized machinery like pipe benders.

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