Carbon Seamless Steel Tube Of High Quality With Best Price

Carbon Seamless Steel Tube Of High Quality With Best Price System 1

Carbon Seamless Steel Tube Of High Quality With Best Price

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 500 m.t./month

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Packaging & Delivery

Packaging Detail:

standard packing suitable shipping by sea.fixed length as customers' requirements, or SRL or DRL. Varnish, painting or galvanized, or FBE ,2PE,3PE 3pp coating,bevelled/plain/threaded ends with caps, packing in bundle (OD smaller than 141.3mm) big sizes packing in loose, marking as required. Shipped by sea,by air,by train . or some samples shipped by DHL,EMS,TNT,FEDEX ect. Length shorter than 5.85m should be shipped by 20' container, 5.85-12m shipped by 40' container.

Delivery Detail:

7-35 days after advance payment

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Carbon Seamless Steel Tube Of High Quality With Best Price

FAQ of Seemless Steel Pipes:

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.

Any question, pls feel free to contact us !

Q: Are steel pipes suitable for underground oil pipelines?: Steel pipes are indeed appropriate for underground oil pipelines. Steel is frequently employed in oil pipelines because of its considerable strength, durability, and resistance to corrosion. Underground oil pipelines encounter different external influences like soil displacement, humidity, and chemicals, but steel pipes can effectively endure these circumstances. Furthermore, by welding steel pipes, a seamless and uninterrupted pipeline can be formed, minimizing the chances of leaks or ruptures. Furthermore, steel pipes have a long history of successful utilization in the oil sector, offering a dependable and cost-efficient method of transporting oil underground.

Q: How do you prevent freezing in steel pipes during cold weather?: To prevent freezing in steel pipes during cold weather, there are several measures that can be taken: 1. Insulate the pipes: Insulation is an effective way to protect steel pipes from freezing. Use insulation sleeves or wraps to cover the pipes, especially in areas where they are exposed to cold temperatures. Insulation helps retain heat and prevents the pipes from reaching freezing temperatures. 2. Seal any air leaks: Check for any gaps or openings around the pipes where cold air can enter. Use caulking or weatherstripping to seal these gaps and prevent cold air from reaching the pipes. 3. Maintain a consistent temperature: Ensure that the area where the pipes are located is adequately heated and insulated. Keeping the temperature above freezing will help prevent the pipes from freezing. If the pipes are exposed to extremely low temperatures, consider using heat tape or pipe heating cables to provide additional warmth. 4. Allow water to flow: Running a small, continuous trickle of water through the pipes can help prevent freezing. The flowing water generates heat and inhibits the formation of ice within the pipes. However, this method should only be used as a last resort, as it can waste water. 5. Drain the pipes: If the steel pipes are in an area that is not regularly used or if freezing weather is expected, it may be advisable to drain the pipes completely. Turn off the water supply and open all faucets to allow the water to drain out. This eliminates any standing water that could freeze and cause the pipes to burst. It is important to note that prevention is key, as frozen steel pipes can lead to costly damages and water leaks. By implementing these measures, you can protect your steel pipes and ensure they remain functional during cold weather.

Q: How are steel pipes marked for identification and traceability?: Steel pipes are marked for identification and traceability through various methods. One common method is through the use of permanent markers or paint. These marks typically include important information such as the manufacturer's name or logo, the pipe's size and specifications, and the production date or batch number. In addition to surface marking, steel pipes may also be identified using tags or labels. These tags are usually made of durable materials such as metal or plastic and are securely attached to the pipe. They contain detailed information about the pipe, including its unique identification number, material composition, and any relevant certifications or standards it meets. Another method used for identification and traceability is the application of barcodes or QR codes. These codes can be scanned using specialized equipment or mobile applications, providing instant access to comprehensive information about the pipe's origin, production process, and quality control measures. Barcodes and QR codes offer a more efficient and automated way of tracking and tracing steel pipes throughout their lifecycle. Furthermore, some steel pipes may have embossed or engraved markings directly on their surface. These markings are typically indented into the metal and can withstand harsh conditions, ensuring long-term visibility and legibility. The goal of marking steel pipes is to ensure their proper identification and traceability throughout their lifecycle. This helps in quality control, maintenance, and inspection processes, as well as in ensuring compliance with regulatory requirements. By having clear and permanent markings, manufacturers, suppliers, and users can easily track and trace the history and specifications of steel pipes, enabling better management and accountability in various industries such as construction, oil and gas, and infrastructure development.

Q: Can steel pipes be used for sewage treatment plants?: Yes, steel pipes can be used for sewage treatment plants. Steel pipes are commonly used in sewage treatment plants due to their durability, strength, and resistance to corrosion. They are suitable for transporting sewage, wastewater, and other fluids in these facilities.

Q: What are the different types of steel pipe coatings for underground gas pipelines?: There are several types of steel pipe coatings commonly used for underground gas pipelines, including fusion-bonded epoxy (FBE) coating, polyethylene (PE) coating, and polyurethane (PU) coating. Each coating provides different levels of protection against corrosion and abrasion, ensuring the longevity and integrity of the gas pipeline.

Q: Can steel pipes be used for underground water supply?: Yes, steel pipes can be used for underground water supply. However, it is important to consider factors such as corrosion resistance and proper coating to protect the pipes from potential degradation caused by the surrounding soil and water chemistry. Additionally, regular maintenance and inspections are necessary to ensure the longevity and integrity of the steel pipes in underground water supply systems.

Q: What are the different coating options for steel pipes?: There are several coating options available for steel pipes, each serving a specific purpose and providing unique benefits. Some of the most common coating options for steel pipes include: 1. Fusion Bonded Epoxy (FBE) Coating: FBE coating is a popular choice for steel pipes used in various industries. It provides excellent corrosion resistance, impact resistance, and adhesion to the pipe surface. FBE coating is typically applied through a heat-induced chemical reaction, creating a durable and protective layer. 2. Polyethylene (PE) Coating: PE coating is commonly used for underground steel pipes, as it provides superior resistance against corrosion, abrasion, and chemicals. This coating is applied using extrusion methods and forms a seamless layer over the steel pipe, preventing any moisture penetration. 3. Polyurethane (PU) Coating: PU coating is known for its exceptional resistance to abrasion, chemicals, and harsh environmental conditions. It is commonly used for steel pipes exposed to extreme temperatures or in aggressive environments. PU coating can be applied in multiple layers to provide enhanced protection. 4. Coal Tar Enamel (CTE) Coating: CTE coating is a traditional option for steel pipes that require protection against corrosion. It is a thick, black coating that provides excellent resistance to water, soil, and atmospheric corrosion. CTE coating is typically applied using a hot-applied coating method. 5. Zinc Coating: Zinc coating, also known as galvanization, is a widely used protective coating for steel pipes. It involves applying a layer of zinc to the pipe surface, creating a barrier against corrosion. Zinc coating can be applied through hot-dip galvanization or electro-galvanization methods. 6. Concrete Coating: Concrete coating is often used for steel pipes in underground or submerged applications. It provides a robust protective layer against corrosion, abrasion, and mechanical damage. Concrete coating is typically applied as a cement mortar or a reinforced concrete layer. These are just some of the coating options available for steel pipes. The choice of coating will depend on factors such as the intended application, environmental conditions, and required durability. It is essential to select the appropriate coating to ensure the longevity and performance of the steel pipes in various industries.

Q: What is an electric welded pipe (EFW)? Seek help！: Pipe and pipe fittings should be suitable for the gap, usually with micro force insertion is appropriate, the gap is too large or too small will affect the quality of the interface.Check the depth of the plug and slip the spigot into the socket and position correctly.

Q: What are the different factors affecting the flow rate of steel pipes?: The flow rate of steel pipes can be affected by multiple factors. Let's explore some of these factors: 1. Pipe diameter: The size of the pipe plays a significant role in determining the flow rate. Generally, larger pipes allow for greater flow rates as they provide a larger cross-sectional area for the fluid to pass through. 2. Pipe length: The length of the pipe also impacts the flow rate. Longer pipes tend to have higher friction losses, which can decrease the flow rate. Moreover, longer pipes may require higher pressure to maintain the desired flow rate. 3. Fluid viscosity: The viscosity of the fluid passing through the pipe is an important consideration. Viscous fluids, such as heavy oils, exhibit higher resistance to flow, resulting in lower flow rates. Conversely, less viscous fluids, like water, encounter lower resistance and can achieve higher flow rates. 4. Pressure difference: The pressure difference across the pipe serves as a driving force for flow. A higher pressure difference will lead to a higher flow rate, while a lower pressure difference will reduce the flow rate. 5. Surface roughness: The roughness of the inner pipe surface influences the flow rate. Rough surfaces generate more turbulence and friction, thus resulting in a lower flow rate. Conversely, smoother surfaces minimize turbulence and friction, allowing for a higher flow rate. 6. Temperature: The temperature of the fluid can impact its viscosity and density, which subsequently affect the flow rate. Higher temperatures generally decrease the viscosity of fluids, leading to increased flow rates. 7. Pipe material: The choice of pipe material impacts the flow rate due to varying roughness and resistance. Steel pipes, for instance, typically possess a smoother inner surface compared to pipes made of other materials, resulting in higher flow rates. 8. Pipe fittings and bends: The presence of fittings, valves, and bends in the pipe can cause flow restrictions and pressure drops, which can decrease the flow rate. Proper design and placement of these components can minimize their impact on the flow rate. Understanding the interplay of these factors is essential for the design and optimization of fluid flow systems involving steel pipes.

Q: What are the different grades of steel used in pipes?: The different grades of steel used in pipes include carbon steel, alloy steel, stainless steel, and duplex stainless steel.

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