Hollow Section-Square Tubes With Best price

Hollow Section-Square Tubes With Best price System 1

Hollow Section-Square Tubes With Best 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 are steel pipes threaded for connection?: Steel pipes are threaded for connection using a threading machine that cuts grooves into the pipe's outer surface. The machine rotates the pipe while a die cuts the threads, creating a spiral pattern. This threading allows pipes to be securely connected by screwing them together, providing a tight and leak-free joint.

Q: How are steel pipes used in petrochemical plants?: Steel pipes are extensively used in petrochemical plants for various purposes such as transporting fluids and gases, as well as providing structural support. These pipes are commonly utilized for the safe and efficient transfer of crude oil, natural gas, and other chemicals within the plant. They are designed to withstand high pressure, extreme temperature conditions, and corrosive environments, ensuring the integrity and reliability of the plant's operations. Steel pipes also play a crucial role in the construction of process equipment, such as reactors, distillation columns, and heat exchangers, providing a durable and long-lasting solution for the petrochemical industry.

Q: What is the diameter of the steel tube DN20?: Usually the nominal diameter is nominal for cast iron pipe, steel pipe joints, concrete pipe pipe, seamless steel pipe does not use this notation (with diameter * wall thickness). With nominal diameter pipeline accessories, meaning with tube.

Q: How are steel pipes used in the construction of buildings?: Steel pipes are commonly used in the construction of buildings for various purposes. They are primarily used for structural support, providing stability and strength to the overall framework. Steel pipes are also used for plumbing systems, carrying water and other fluids throughout the building. Additionally, they are used for HVAC (heating, ventilation, and air conditioning) systems, allowing for efficient distribution of air. Overall, steel pipes play a crucial role in ensuring the durability, functionality, and safety of buildings.

Q: Can steel pipes be used for transporting slurry?: Yes, steel pipes can be used for transporting slurry. Steel pipes are known for their durability and strength, making them suitable for handling abrasive materials like slurry. The smooth interior surface of steel pipes helps to minimize friction and prevent clogging, ensuring efficient transportation of slurry. Additionally, steel pipes can withstand high pressure and are resistant to corrosion, making them a reliable choice for slurry transport.

Q: Can steel pipes be bent?: Steel pipes can indeed be bent. To achieve this, one usually employs specific tools and methods like pipe bending machines or hydraulic presses. These tools exert pressure on the pipe, leading it to change shape and adopt the desired angle or form. The flexibility of steel pipes makes them adaptable and appropriate for an array of purposes, such as plumbing, construction, and manufacturing. Nonetheless, it's crucial to acknowledge that the extent to which a steel pipe can be bent relies on factors like its diameter, wall thickness, and the type of steel employed.

Q: How do steel pipes perform in marine environments?: Steel pipes perform well in marine environments due to their high corrosion resistance. They are typically coated with protective layers such as zinc or epoxy, which further enhance their ability to withstand the harsh conditions of saltwater, waves, and constant exposure to moisture. These pipes are capable of withstanding the corrosive effects of seawater, making them reliable for various applications like offshore oil rigs, shipbuilding, and coastal infrastructure.

Q: Can steel pipes be used for underground drainage?: Yes, steel pipes can be used for underground drainage. Steel pipes are commonly used for underground drainage systems due to their durability, strength, and resistance to various elements, such as soil erosion, chemical corrosion, and high pressure. However, it is important to consider factors like the type of soil, environmental conditions, and the specific requirements of the drainage system before deciding on the material for underground drainage pipes.

Q: Are steel pipes suitable for use in mining applications?: Yes, steel pipes are suitable for use in mining applications. Steel pipes are known for their high durability, strength, and resistance to corrosion, making them ideal for mining operations where they may be exposed to harsh conditions such as abrasive materials, high pressure, and extreme temperatures. Additionally, steel pipes can be easily welded and customized to meet specific mining requirements, making them a reliable choice for transporting fluids, gases, and materials in mining operations.

Q: What are the safety precautions to consider when working with steel pipes?: When working with steel pipes, it is important to consider several safety precautions. First, always wear personal protective equipment, including gloves, safety glasses, and steel-toed boots to protect against potential injuries. Additionally, ensure that the work area is clear of any tripping hazards and that all tools and equipment are in good working condition. It is crucial to follow proper lifting techniques and use machinery or equipment, such as cranes or forklifts, to move heavy steel pipes to prevent strains or injuries. Furthermore, be cautious of potential fire hazards by keeping flammable materials away from the work area and having fire extinguishers readily available. Finally, regularly inspect the steel pipes for any defects or damages, as working with compromised pipes can pose significant risks.

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