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: Can steel pipes be used for conveying food and beverages?: To safely transport food and beverages using steel pipes, several precautions must be taken. First and foremost, it is imperative to select stainless steel pipes that are specifically designed for handling food and beverages. These pipes are constructed with high-quality stainless steel, which is resistant to corrosion and does not release harmful substances into the food or beverage. Secondly, it is crucial to thoroughly clean and sanitize the pipes before and after each use to maintain hygiene standards. By regularly cleaning and maintaining the pipes, the accumulation of bacteria or contaminants that could potentially contaminate the food or beverage can be prevented. Furthermore, it is vital to consider the compatibility of the food or beverage with the steel pipes. Certain acidic or corrosive substances may react with the steel, leading to contamination or compromising the integrity of the pipes. In such cases, alternative materials like food-grade plastic or rubber may be more appropriate. In conclusion, while steel pipes can be utilized for conveying food and beverages, it is essential to adhere to guidelines such as using food-grade stainless steel pipes, practicing proper cleaning and sanitization, and considering the compatibility of the specific food or beverage being transported. Following these precautions will uphold the safety and quality of the food or beverage during transportation.

Q: What is the maximum allowable deflection for steel pipes?: The maximum allowable deflection for steel pipes is typically determined by industry standards and design codes. These standards and codes specify the acceptable limits of deflection to ensure the structural integrity and functionality of the pipes. The maximum allowable deflection varies depending on various factors such as the pipe diameter, wall thickness, material properties, and the type of application. It is important to consult the relevant standards and codes, such as the American Society of Mechanical Engineers (ASME) B31.3 code for process piping or the American Water Works Association (AWWA) standards for water transmission and distribution pipes, to determine the specific maximum allowable deflection for a particular steel pipe application. Following these guidelines helps to ensure the safe and efficient operation of steel pipes in various industries and applications.

Q: How are steel pipes cleaned and maintained?: Steel pipes are commonly cleaned and maintained through a variety of methods. Firstly, they are often cleaned using chemical solvents or detergents to remove any dirt, debris, or rust. This process is followed by rinsing the pipes thoroughly with water. Additionally, periodic inspections are conducted to identify any signs of corrosion or damage, which are then repaired promptly to prevent further deterioration. Lastly, applying protective coatings or paints on the pipes can help to enhance their longevity and prevent future corrosion.

Q: What are the common applications of steel pipes in construction?: Steel pipes are commonly used in construction for various applications such as plumbing, structural support, transportation of fluids and gases, underground drainage systems, and the construction of infrastructure like bridges and buildings.

Q: How are steel pipes used in the manufacturing of offshore wind turbines?: Steel pipes are used in the manufacturing of offshore wind turbines for various purposes such as the foundation, tower, and substructure. These pipes provide structural support and stability to the turbine, ensuring its ability to withstand harsh offshore conditions and strong winds. Additionally, steel pipes are used to transport electrical cables, allowing the turbines to generate and transmit electricity efficiently.

Q: What is the fatigue strength of steel pipes?: The ability of steel pipes to withstand repeated cyclic loading without failing is referred to as their fatigue strength. This characteristic is of utmost importance for pipes that experience dynamic or fluctuating loads, such as those used in the oil and gas industry, transportation infrastructure, or industrial applications. Several factors can affect the fatigue strength of steel pipes, including the grade of steel, dimensions of the pipe, manufacturing process, surface conditions, and environmental factors. Generally, steel pipes with higher tensile strength and toughness exhibit better resistance to fatigue. Fatigue strength is typically determined by subjecting the pipes to cyclic loading until failure occurs, through a process known as fatigue testing. The results of these tests are then used to establish a fatigue curve or S-N curve, which illustrates the relationship between the applied stress amplitude and the number of cycles required for failure. To quantify the fatigue strength, it is common to express it as the stress amplitude required to cause failure after a specific number of cycles, such as the stress amplitude at 10 million cycles (S-N10^7). However, it is important to consider other factors such as mean stress, surface finish, and loading frequency, which can also influence fatigue strength and may require consideration in specific applications. Ultimately, the fatigue strength of steel pipes is a crucial factor in engineering design and maintenance, as it ensures the long-term integrity and reliability of the pipes under cyclic loading conditions.

Q: How are steel pipes used in the mining and mineral processing industry?: Steel pipes are used in the mining and mineral processing industry for various purposes such as transporting fluids, conveying materials, and providing structural support. They are commonly used in the construction of underground mine shafts, pipelines, and equipment for transporting and processing minerals. The durability and strength of steel pipes make them ideal for withstanding the harsh conditions and demanding requirements of the mining industry.

Q: Are steel pipes suitable for oil and petroleum applications?: Yes, steel pipes are highly suitable for oil and petroleum applications. They possess excellent strength, durability, and resistance to corrosion, making them ideal for transporting and storing oil and petroleum products. Steel pipes can withstand high pressure and extreme temperatures, ensuring the safety and efficiency of oil and petroleum operations.

Q: What are the different types of steel pipe supports for seismic applications?: There are several types of steel pipe supports commonly used for seismic applications, including sway braces, rigid braces, snubbers, and restraints. Sway braces are designed to absorb lateral movement and provide flexibility during seismic events. Rigid braces, on the other hand, offer rigid support and resist movement. Snubbers are used to dampen pipe vibrations and prevent excessive movement. Restraints are used to anchor and limit the movement of the pipe during seismic activity.

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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