Hollow Section-Square Pipes With Best price

Hollow Section-Square Pipes With Best price System 1

Hollow Section-Square Pipes 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 protected against electrolytic corrosion?: Steel pipes are protected against electrolytic corrosion through a variety of methods. One common method is the application of protective coatings on the surface of the pipes. These coatings act as a barrier, preventing direct contact between the steel and the surrounding environment, which includes moisture and other corrosive substances. Coatings such as epoxy, polyethylene, and zinc are commonly used for this purpose. Another method of protection is the use of sacrificial anodes. Sacrificial anodes are made from a metal that is more reactive than steel, such as zinc or aluminum. These anodes are attached to the steel pipes and, as they corrode over time, they sacrifice themselves to protect the steel. This process is known as cathodic protection and is highly effective in preventing electrolytic corrosion. In addition to coatings and sacrificial anodes, proper insulation and electrical isolation are crucial in protecting steel pipes from electrolytic corrosion. Insulating materials, such as rubber or plastic sleeves, are used to prevent direct contact between the pipes and other metals or electrolytes. Electrical isolation can be achieved through the use of dielectric unions or insulating flanges, which prevent the flow of electric current between different sections of the pipeline. Regular maintenance and inspection also play a key role in protecting steel pipes against electrolytic corrosion. Periodic checks for coating integrity, anode condition, and potential electrical leakage are essential to ensure the continued effectiveness of the corrosion protection system. Overall, a combination of protective coatings, sacrificial anodes, insulation, electrical isolation, and regular maintenance is necessary to protect steel pipes against electrolytic corrosion. By implementing these measures, the lifespan of steel pipes can be significantly extended, ensuring the safety and reliability of various applications such as water distribution, oil and gas transportation, and structural support in buildings and infrastructure.

Q: How are steel pipes tested for quality control?: Steel pipes are tested for quality control through various methods such as visual inspection, dimensional checks, and non-destructive testing techniques including ultrasonic testing, magnetic particle inspection, and hydrostatic pressure testing. These tests ensure that the pipes meet the required specifications, standards, and structural integrity, ensuring their quality and reliability.

Q: How are steel pipes insulated to prevent freezing?: Steel pipes are insulated to prevent freezing by wrapping them with insulation materials such as foam or fiberglass, which helps to maintain the temperature of the pipe and prevents the transfer of cold air. Additionally, pipes can be buried underground below the frost line to protect them from freezing temperatures.

Q: Are the welded and galvanized tubes the same weight?: The difference is that because zinc has weight, even if the difference is very small, there are also differences,Galvanized pipe weight is basically the same about 1.06 of the welded tube, of course, you can artificially ignored.

Q: How are steel pipes used in the manufacturing of chemical processing plants?: Steel pipes are commonly used in the manufacturing of chemical processing plants due to their durability, high strength, and resistance to corrosion. These pipes are typically used for the transportation of various chemicals, gases, and liquids within the plant. They help maintain the integrity of the materials being processed and ensure the safe and efficient operation of the plant.

Q: How is the steel pipe dance installed at home?: Perforated steel pipe, is very troublesome, need support to the roof and drilling in the room, the bottom with tripod frame fixed nail, and welding, installation is very troublesome;

Q: How do steel pipes handle pressure surges?: Steel pipes are designed to handle pressure surges effectively due to their inherent strength and durability. The high tensile strength of steel allows it to withstand significant pressure fluctuations without deforming or bursting. Additionally, the seamless construction of steel pipes ensures a smooth and continuous flow, minimizing the impact of pressure surges. Furthermore, steel pipes can be reinforced with additional support structures, such as braces or anchors, to further enhance their ability to handle pressure surges.

Q: Are steel pipes suitable for pharmaceutical manufacturing facilities?: Indeed, steel pipes prove to be a fitting option for pharmaceutical manufacturing facilities. Their outstanding resistance to corrosion and durability make them a prevalent choice in this industry. They are capable of enduring high levels of pressure and temperature, rendering them perfect for a wide range of purposes, including fluid, gas, and chemical transportation within the facility. Moreover, steel pipes possess the advantage of effortless cleaning and sanitization, guaranteeing the preservation and safety of pharmaceutical products. Additionally, they offer cost-effectiveness and boast an extended lifespan, solidifying their status as a dependable choice for pharmaceutical manufacturing facilities.

Q: Can steel pipes be used for conveying hazardous materials?: Yes, steel pipes can be used for conveying hazardous materials. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for transporting various hazardous substances such as chemicals, gases, and liquids. Additionally, steel pipes can withstand high pressures and temperatures, ensuring the safe and efficient transportation of hazardous materials. However, it is important to ensure proper handling, maintenance, and adherence to safety regulations when using steel pipes for conveying hazardous materials.

Q: What is the maximum operating temperature for steel pipes?: The maximum operating temperature for steel pipes typically depends on the specific grade of steel used. However, in general, carbon steel pipes can typically withstand temperatures up to 800-1000 degrees Fahrenheit (427-538 degrees Celsius). Other alloy steels, such as stainless steel or high-temperature alloys, can withstand even higher temperatures, ranging from 1200-1500 degrees Fahrenheit (649-816 degrees Celsius) or more. It is important to consult the manufacturer's specifications or industry standards to determine the exact maximum operating temperature for a specific type of steel pipe, as different grades and compositions may have different temperature limits.

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