Tube-The Welded Steel Pipe Production
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 9000 m.t./month
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1、Structure of Welded Steel Pipe DIN1629/EN10216-1::
Welded Steel Pipe is to be used for conveying gas, water, and petroleum foroil and natural gas industries. And used for structural steel pies purpose. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features of Welded Steel Pipe DIN1629/EN10216-1::
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Welded Steel Pipe DIN1629/EN10216-1: Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.
2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,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、FAQ of Welded Steel Pipe DIN1629/EN10216-1:
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、 Welded Steel Pipe DIN1629/EN10216-1: Images：
- 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 used in power plants?
- Power plants rely heavily on the extensive use of steel pipes for a variety of purposes. When it comes to transporting fluids and gases, steel pipes are the go-to choice. They effectively carry water, steam, and fuel (like oil or gas) throughout the power plant. The reason steel pipes are so widely used for this purpose is because of their exceptional strength and durability. They can withstand the high pressures and temperatures found in power plants without faltering. Another crucial role steel pipes play in power plants is in the boilers. They are an integral part of the boiler system, responsible for the transportation of hot gases and steam. These pipes are specifically designed to endure extreme heat and pressure, ensuring the safe and efficient operation of the boiler. Moreover, steel pipes are utilized in the cooling systems of power plants. They facilitate the circulation of water to cool down essential equipment such as turbines and condensers. These pipes are built to withstand corrosion caused by the cooling water, all while maintaining the required flow rate and pressure. Additionally, steel pipes find their place in the construction of power plant structures. They are extensively used for fabricating support structures like frames, platforms, and walkways. Steel pipes possess excellent structural integrity and can bear heavy loads, making them the perfect choice for these applications. In conclusion, steel pipes fulfill a crucial role in power plants by efficiently transporting fluids and gases, serving as an essential component of the boiler system, facilitating cooling processes, and providing structural support. Their strength, durability, and resistance to extreme conditions make them indispensable in the operation of power plants.
- Q: What is the thermal expansion coefficient of steel pipes?
- The thermal expansion coefficient of steel pipes varies based on the particular steel type and the temperature range in which the expansion is measured. On average, the thermal expansion coefficient of steel pipes is between 10-14 x 10^-6 per degree Celsius (10-14 μm/m°C). Thus, for each degree Celsius rise in temperature, the length of a steel pipe will roughly increase by 10-14 μm per meter. It is vital to acknowledge that this value is an average and may slightly differ based on the specific composition and treatment of the steel employed in the pipe.
- Q: Can steel pipes be used for underground sewage systems?
- Yes, steel pipes can be used for underground sewage systems. Steel pipes are durable, resistant to corrosion, and can withstand high pressure, making them suitable for transporting sewage underground. However, proper protective coating and maintenance are essential to prevent any potential corrosion or degradation over time.
- Q: What are the different factors affecting the flow rate of steel pipes?
- There are several factors that can affect the flow rate of steel pipes. 1. Pipe diameter: The size of the pipe plays a significant role in determining the flow rate. Generally, larger diameter pipes allow for greater flow rates, as they have a larger cross-sectional area for the fluid to pass through. 2. Pipe length: The length of the pipe also affects the flow rate. Longer pipes tend to have higher friction losses, which can reduce the flow rate. Additionally, 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 factor. Viscous fluids, such as heavy oils, have a higher resistance to flow, leading to lower flow rates. On the other hand, less viscous fluids, like water, have lower resistance and can achieve higher flow rates. 4. Pressure difference: The pressure difference across the pipe is a driving force for the flow. A higher pressure difference will result in a higher flow rate, while a lower pressure difference will reduce the flow rate. 5. Surface roughness: The roughness of the inner surface of the pipe affects the flow rate. Rougher surfaces create more turbulence and friction, resulting in a lower flow rate. Smoother surfaces, on the other hand, minimize turbulence and friction, allowing for a higher flow rate. 6. Temperature: The temperature of the fluid can impact its viscosity and density, which in turn affects the flow rate. Higher temperatures generally reduce the viscosity of fluids, leading to increased flow rates. 7. Pipe material: Different pipe materials have varying roughness and resistance to flow. Steel pipes, for example, typically have 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. Overall, the flow rate of steel pipes is influenced by a combination of these factors, and understanding their effects is crucial for designing and optimizing fluid flow systems.
- Q: What are the safety precautions for handling steel pipes?
- When handling steel pipes, it is important to take several safety precautions to prevent accidents and minimize the risk of injury. Here are some key safety measures to follow: 1. Personal Protective Equipment (PPE): Always wear appropriate PPE, including safety glasses, hard hats, steel-toed boots, and gloves. This will protect you from potential hazards such as falling objects, sharp edges, or chemical spills. 2. Proper Lifting Techniques: When lifting steel pipes, use proper lifting techniques to avoid strain or back injuries. Bend your knees, keep your back straight, and lift using your legs instead of your back. If the pipe is too heavy, seek assistance or use mechanical lifting equipment. 3. Secure Storage and Stacking: Store steel pipes in a well-organized manner, ensuring they are properly stacked and secured. Use suitable storage methods, such as racks or pallets, to prevent pipes from rolling or falling. Avoid stacking pipes too high to prevent instability. 4. Inspect for Defects: Before handling steel pipes, inspect them for defects such as cracks, corrosion, or dents. Defective pipes can pose serious safety risks, so it is important to identify and remove them from use. 5. Use Appropriate Handling Equipment: When moving or transporting steel pipes, utilize appropriate equipment such as forklifts, cranes, or hoists. Ensure that the equipment is in good working condition, and always follow the manufacturer's guidelines for safe operation. 6. Secure Transportation: If transporting steel pipes by vehicle, make sure they are properly secured to prevent shifting or falling during transit. Use straps, chains, or other restraints to secure the load. 7. Watch for Sharp Edges: Steel pipes can have sharp edges that can cause cuts or injuries. Be cautious when handling them and wear gloves to protect your hands. 8. Communication and Training: Communicate with your team members to ensure everyone understands the proper handling procedures and safety precautions. Provide training on safe lifting techniques, equipment operation, and hazard identification. 9. Maintain a Clean Work Area: Keep the work area clean and free from debris, oil, or other slippery substances that could cause slips or falls. 10. Follow Safety Guidelines: Always adhere to safety guidelines and procedures established by your organization or relevant regulatory authorities. These guidelines may include additional precautions specific to your work environment. By following these safety precautions, you can significantly reduce the risk of accidents and injuries when handling steel pipes. Remember, safety should always be the top priority in any work environment.
- Q: Can steel pipes be used for wastewater treatment plants?
- Yes, steel pipes can be used for wastewater treatment plants. Steel pipes are commonly used in these facilities due to their high strength, durability, and resistance to corrosion, making them suitable for handling the harsh and corrosive nature of wastewater. Additionally, steel pipes can be easily welded and are available in various sizes, making them versatile for different applications within wastewater treatment plants.
- Q: How do you calculate the weight of steel pipes?
- To calculate the weight of steel pipes, you can use the formula: weight = volume × density. The volume can be calculated by multiplying the cross-sectional area of the pipe with its length, while the density of steel is typically assumed to be 7850 kilograms per cubic meter.
- Q: What are the different types of steel pipe elbows?
- There are various industries and applications that commonly utilize different types of steel pipe elbows. These types encompass: 1. 90-degree elbows: Employed when redirecting fluid or gas flow requires a sharp 90-degree bend. They find extensive use in plumbing, construction, and industrial piping systems. 2. 45-degree elbows: Similar to 90-degree elbows, these elbows alter flow direction, but with a smaller angle. They are suitable for situations requiring a more gradual change in flow direction. 3. Long radius elbows: Differing from standard elbows, long radius elbows possess a larger curvature radius. This design minimizes fluid friction and pressure drop, making them ideal for applications necessitating smoother flow, such as high-flow systems or those involving viscous fluids. 4. Short radius elbows: In contrast, short radius elbows feature a smaller curvature radius. They are generally utilized in confined spaces where a compact design is essential, although they may lead to increased fluid friction and higher pressure drops. 5. Reducing elbows: These elbows are ideal for connecting pipes of varying diameters. With one end having a larger diameter and the other end with a smaller diameter, they enable a seamless transition between two pipes of different sizes. 6. Mitered elbows: Mitered elbows are tailor-made elbows fabricated by cutting and welding multiple pipe sections at specific angles. They are frequently employed when standard elbows cannot accommodate the required angle or when a unique design is necessary. In conclusion, the selection of the appropriate type of steel pipe elbow depends on factors such as the specific application, fluid flow requirements, space limitations, and compatibility with the piping system.
- Q: Can steel pipes be used for LNG terminals?
- Yes, steel pipes can be used for LNG terminals. Steel pipes are commonly used in the construction of LNG terminals due to their durability, strength, and resistance to extreme temperatures. Additionally, steel pipes can effectively handle the high-pressure requirements of LNG transportation and storage.
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Tube-The Welded Steel Pipe Production
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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