Square rectangular tubes of various standard materials by sell
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 15000 m.t./month
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Specification
1、 Square rectangular tubes of various standard materials by sell
Square tube, square tube is a kind of call and rectangular tube, is equal and not equal to the length of steel pipe. Is the strip through the process of processing roll system. In general is the strip through the demolition of the package, flat, curly, welded to form a circular tube, and then rolled into a square tube and then cut into a square tube and then cut into the required length.
2、 Square rectangular tubes of various standard materials by sell
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Square rectangular tubes of various standard materials by sell
Standard | GB, DIN, ASTM |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 1.5 - 25 mm |
Section Shape | Square and rectangular |
Outer Diameter | 20*20 mm-------400*400mm 20*30mm*300*500mm |
Place of Origin | Tianjin, China (Mainland) |
Length | 3-12M |
Outer Diameter | 20*20 mm-------400*400mm 20*30mm*300*500mm |
Grade | 235B 345B |
Standard | ASME, ASTM |
1) Material:(ASTM A 106/A53 GRB.API5LGRB,GB,235B,345B
2) Specification range:OD: 20*30mm----300*500mm 20*20 mm---400*400mm ,WT: 1.5 - 25 mm ,length:3-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut ,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、 Square rectangular tubes of various standard materials by sell
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
6、 Square rectangular tubes of various standard materials
- Q: What are the environmental benefits of using steel pipes?
- Using steel pipes has multiple environmental benefits: 1. Longevity: Steel pipes have a prolonged lifespan, minimizing the need for frequent replacements. This conserves resources and reduces waste generation. 2. Recyclability: Steel is extensively recycled worldwide. When steel pipes reach the end of their life, they can be easily recycled and used to produce new steel products. This reduces the demand for raw materials and saves energy that would otherwise be necessary for manufacturing new materials. 3. Decreased carbon emissions: Steel pipes have a lower carbon footprint compared to materials like concrete or plastic. The manufacturing process emits fewer greenhouse gases, contributing to an overall lower carbon footprint. 4. Corrosion resistance: Steel pipes exhibit high resistance to corrosion, requiring less maintenance and repair compared to other materials. This reduces the need for chemical coatings and treatments that can have detrimental environmental effects. 5. Water conservation: Steel pipes are commonly used in water supply and distribution systems. Their smooth interiors minimize friction, reducing the energy required to pump water through the pipes. This conserves energy and decreases carbon emissions associated with water transportation. 6. Fire resistance: Steel pipes are inherently fire-resistant, making them a safer choice for various applications. In the event of a fire, steel pipes help contain the spread of flames and minimize environmental damage. In summary, the use of steel pipes provides numerous environmental benefits, including durability, recyclability, reduced carbon emissions, water conservation, and fire resistance. These factors make steel pipes a sustainable option for various infrastructure projects.
- Q: What are the standard dimensions for steel pipes?
- The standard dimensions for steel pipes vary depending on the application and industry. However, common sizes range from ½ inch to 48 inches in diameter and have various wall thicknesses based on the required strength and pressure rating.
- Q: How do you calculate the bending moment of a steel pipe?
- To determine the bending moment of a steel pipe, one must take into account both the applied load and the structural characteristics of the pipe. The bending moment quantifies the internal forces within the pipe caused by the applied load. To calculate the bending moment, one can use the following equation: Bending Moment = Load x Distance In this equation, the load represents the external force acting on the pipe, and the distance refers to the separation between the point of load application and the point where the bending moment is being evaluated. For an accurate bending moment calculation, it is necessary to consider the properties of the steel pipe. These properties encompass the pipe's cross-sectional area, second moment of area (also known as the moment of inertia), and the modulus of elasticity. The second moment of area demonstrates the pipe's resistance to bending and can be computed based on the dimensions of the pipe's cross-section. The modulus of elasticity signifies the pipe's stiffness and can be obtained from material properties data. Once the load, distance, cross-sectional area, moment of inertia, and modulus of elasticity are determined, they can be inputted into the bending moment equation to ascertain the bending moment for the steel pipe. It is important to recognize that the calculation of bending moment assumes linear elastic behavior, which implies that the pipe does not surpass its elastic limit nor undergo plastic deformation. If the pipe is exposed to loads surpassing its capacity, the bending moment calculation may not accurately depict the actual behavior of the pipe. In such instances, it is recommended to consult a structural engineer or employ more sophisticated analysis methods to precisely evaluate the bending moment.
- Q: How are steel pipes used in the manufacturing of railways?
- Steel pipes are commonly used in the manufacturing of railways for various purposes. They are used for the construction of railway tracks, providing a strong and durable foundation. Steel pipes are also used in the manufacturing of railway bridges and tunnels, ensuring structural integrity and support. Additionally, steel pipes are utilized for the transportation of fluids and gases within the railway system, such as fuel or water.
- Q: What are the common factors affecting the flow capacity of steel pipes?
- There are several common factors that can affect the flow capacity of steel pipes. 1. Pipe Diameter: The diameter of the pipe is one of the most significant factors affecting flow capacity. The larger the diameter, the greater the flow capacity as there is more area for the fluid to pass through. 2. Pipe Length: The length of the pipe also plays a role in flow capacity. Longer pipes generally have higher frictional losses, which can reduce the flow capacity. 3. Surface Roughness: The internal surface roughness of the steel pipe can impact flow capacity. Rough surfaces create more friction, which can reduce the flow rate. Smooth pipes, on the other hand, allow for smoother flow and higher flow capacity. 4. Fluid Properties: The properties of the fluid being transported through the steel pipe can affect flow capacity. Factors such as viscosity, temperature, and density can impact the flow rate. For example, highly viscous fluids will have lower flow capacity compared to less viscous fluids. 5. Pressure Drop: Pressure drop along the length of the pipe is another factor that affects flow capacity. As fluid flows through the pipe, there may be pressure losses due to friction, bends, or restrictions. Higher pressure drops result in lower flow capacity. 6. Pipe Material and Wall Thickness: The material of the steel pipe and its wall thickness can influence flow capacity. Different materials have different properties that can affect flow rates. Additionally, thicker walls can reduce the internal diameter of the pipe, resulting in lower flow capacity. 7. Pipe Layout and Fittings: The design and layout of the pipe system, including the presence of fittings such as valves, elbows, and tees, can impact flow capacity. These fittings can cause additional pressure drops and turbulence, reducing the overall flow rate. It is important to consider these factors when designing or evaluating a steel pipe system to ensure optimal flow capacity and efficiency.
- Q: Are steel pipes suitable for use in automotive industries?
- Yes, steel pipes are suitable for use in automotive industries. They are known for their strength, durability, and resistance to high temperatures and pressure, making them an ideal material for various applications such as exhaust systems, fuel lines, and structural components in automobiles. Steel pipes also offer excellent corrosion resistance, ensuring long-lasting performance in harsh environments.
- Q: What are the challenges faced in transporting steel pipes?
- Transporting steel pipes can pose several challenges. Firstly, steel pipes are heavy and bulky, making them difficult to handle and load onto transportation vehicles. Specialized equipment, such as cranes or forklifts, is often required to safely lift and maneuver the pipes. Secondly, steel pipes are susceptible to damage during transport. They can be easily scratched, dented, or bent if not properly secured. This necessitates careful packaging and securing techniques to prevent any deformation or damage during transit. Additionally, steel pipes are prone to corrosion, especially when exposed to moisture or harsh weather conditions. Therefore, protecting the pipes from moisture and maintaining proper storage conditions during transportation is crucial to prevent rusting and maintain their quality. Furthermore, the length of steel pipes can also present challenges. Depending on their size, some pipes may be too long to fit on standard transportation vehicles. This requires the use of specialized trailers or the pipes may need to be cut into smaller sections, which can add complexity and cost to the transport process. Lastly, the cost of transporting steel pipes can be high due to their weight and size. Freight charges can be expensive, especially for long-distance transportation. Thus, finding cost-effective transportation solutions while ensuring the safety and integrity of the pipes is a constant challenge in the industry.
- Q: Can steel pipes be used in marine environments?
- Yes, steel pipes can be used in marine environments. Steel is a durable and strong material that can withstand the harsh conditions of the marine environment, including exposure to saltwater, waves, and corrosion. However, it is important to select the correct type of steel and apply suitable protective measures to prevent corrosion. Stainless steel and corrosion-resistant alloys are commonly used in marine applications as they have a high resistance to corrosion and can handle the constant exposure to saltwater. Additionally, coatings such as epoxy or zinc can be applied to further protect steel pipes from corrosion. Regular maintenance and inspections are also crucial to ensure the longevity and performance of steel pipes in marine environments.
- Q: What are the environmental impacts of steel pipe production and disposal?
- The environmental impacts of steel pipe production and disposal are mainly related to the extraction and processing of raw materials, energy consumption, greenhouse gas emissions, and waste generation. The production of steel pipes requires the extraction of iron ore and other raw materials, which can lead to habitat destruction and biodiversity loss. The processing and manufacturing of steel pipes also involve significant energy consumption, contributing to carbon dioxide emissions and climate change. Additionally, the disposal of steel pipes, especially if not properly managed, can result in waste accumulation and potential soil and water pollution. Therefore, it is crucial to consider sustainable practices and recycling options to minimize the environmental impacts associated with steel pipe production and disposal.
- Q: What is a steel pipe?
- A steel pipe is a cylindrical hollow tube made primarily of steel, commonly used for transferring fluids and gases, as well as structural applications in construction and industrial settings.
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Square rectangular tubes of various standard materials by sell
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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