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 are steel pipes coated for protection?: Steel pipes are commonly coated for protection using various methods such as galvanization, epoxy coating, and polyethylene wrapping. Galvanization involves immersing the pipes in a bath of molten zinc, forming a protective layer that prevents corrosion. Epoxy coating involves applying a layer of epoxy resin to the pipe surface, providing a barrier against moisture and chemicals. Polyethylene wrapping involves wrapping the pipes with a polyethylene material, offering insulation and protection against abrasion and corrosion. These coating methods ensure the longevity and durability of steel pipes, enhancing their resistance to environmental factors.

Q: What are the safety considerations when working with steel pipes?: There are several crucial safety considerations to bear in mind when working with steel pipes. To begin with, it is imperative to wear the appropriate personal protective equipment (PPE). This includes safety glasses or goggles to shield the eyes from debris or sparks, gloves to protect the hands from sharp edges or hot surfaces, and steel-toed boots to safeguard the feet from falling objects or heavy equipment. Additionally, it is advisable to wear a hard hat to shield the head from potential falling objects or hazards overhead. Moreover, one must be mindful of the weight and size of the steel pipes. Handling heavy pipes can strain the back and muscles, so it is essential to utilize proper lifting techniques and seek assistance when necessary. The use of lifting equipment, such as cranes or forklifts, can also help prevent injuries associated with heavy lifting. Another safety consideration is the risk of cuts or punctures. Steel pipes may have sharp edges or burrs, so it is important to handle them with care and wear suitable gloves to minimize the risk of injury. It is also recommended to inspect pipes for any defects or sharp edges before working with them. Furthermore, working with steel pipes may involve welding or cutting, which can generate sparks, heat, and fumes. It is vital to work in a well-ventilated area or employ proper ventilation equipment to ensure the elimination of harmful gases or fumes. Fire safety precautions, such as having fire extinguishers nearby and adhering to proper procedures for hot work, should also be taken. Lastly, one must be aware of potential hazards associated with working at heights or in confined spaces. When working on elevated platforms or scaffolding, fall protection measures, like safety harnesses or guardrails, should be in place. In confined spaces, proper ventilation and monitoring for hazardous gases are essential to prevent asphyxiation or exposure to toxic substances. By adhering to these safety considerations and following proper procedures, the risk of accidents or injuries when working with steel pipes can be significantly reduced.

Q: What are the common methods for repairing steel pipes?: Some common methods for repairing steel pipes include welding, pipe wrapping, pipe relining, and pipe bursting.

Q: What does "SC50" steel pipe mean in civil engineering?: Welded steel pipe refers to the use of steel or steel plate bending deformation into a round, square and other shapes after welding into the surface of the joint of the steel pipe. The blank used in welded steel pipe is steel or strip steel.

Q: How do steel pipes connect to other components?: Steel pipes can be connected to other components using various methods such as welding, threading, flanges, or couplings.

Q: How are steel pipes used in geothermal energy systems?: Steel pipes are an essential component in geothermal energy systems as they are used to transport the hot water or steam extracted from the underground reservoirs to the surface. These pipes are designed to withstand high temperatures and pressure, ensuring the safe and efficient transfer of geothermal fluids. Additionally, steel pipes are also utilized in the construction of geothermal power plants, connecting various components like heat exchangers and turbines, facilitating the generation of renewable and sustainable energy.

Q: Steel pipe is particularly long, how to clean the inner wall of the pipe so that it can be thoroughly cleaned: The urban water supply pipeline cleaning is a very necessary work, it can not only improve the transmission efficiency of pipeline to reduce energy consumption, but also to clear the pipeline dirt, remove two pollution, improve water quality, protect the people's physical and mental health.

Q: Are steel pipes environmentally friendly?: Steel pipes can be considered environmentally friendly due to their high durability and recyclability. Steel is a sustainable material that can be reused multiple times without losing its structural integrity. Additionally, steel pipes have low emission rates during production and can be coated to prevent corrosion, extending their lifespan. However, the environmental impact of steel pipes also depends on factors such as extraction of raw materials and energy consumption during manufacturing.

Q: Do steel pipes require maintenance?: Yes, steel pipes do require maintenance. Regular maintenance is necessary to ensure their proper functioning and longevity. This may involve cleaning, inspecting for any signs of corrosion or damage, and applying protective coatings to prevent rusting. Additionally, periodic maintenance checks and repairs may be needed to address any leaks or structural issues that may arise over time.

Q: How do you calculate the weight of a steel pipe?: To calculate the weight of a steel pipe, you would need to know the dimensions of the pipe, specifically the outer diameter (OD), wall thickness, and length. Firstly, you need to determine the cross-sectional area of the pipe. This can be done by subtracting the inner diameter (ID) from the outer diameter (OD) and dividing the result by 2 to get the radius. Then, you can use the formula A = πr^2 to calculate the area. Next, multiply the cross-sectional area by the length of the pipe to get the volume. The formula for volume is V = A * L, where A is the cross-sectional area and L is the length. Finally, to calculate the weight of the steel pipe, you need to multiply the volume by the density of steel. The density of steel is typically around 7850 kilograms per cubic meter (kg/m^3) or 0.2836 pounds per cubic inch (lb/in^3). The formula for weight is W = V * ρ, where V is the volume and ρ is the density of steel. It's important to note that if you are working with different units, you will need to convert them to match the units of the density. For example, if the length is in feet and the density is in pounds per cubic inch, you would need to convert the length to inches before performing the calculations. Remember to double-check your measurements and calculations to ensure accuracy.

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