Rectangular Steel Pipe BS, JIS, GB, DIN
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
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1、Structure of Pipe :
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. 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 the Pipe :
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Pipe 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 Pipe:
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、 Pipe Images：
- Q: What are the different types of steel coatings used for pipes?
- Some of the different types of steel coatings used for pipes include epoxy coatings, polyethylene coatings, fusion bonded epoxy (FBE) coatings, and zinc coatings.
- Q: How are steel pipes used in the construction of highways?
- Steel pipes are commonly used in the construction of highways for various purposes, such as drainage systems, culverts, and sign supports. They provide a durable and efficient solution for transporting stormwater and preventing damage to the road surface. Additionally, steel pipes are utilized to support highway signs and traffic signals, ensuring their stability and longevity.
- Q: How do you determine the pipe schedule for steel pipes?
- The pipe schedule for steel pipes is determined based on various factors such as the pipe's nominal size, wall thickness, and the application requirements. The pipe schedule is a standardized system that indicates the thickness of the pipe's wall, which affects its pressure rating and suitability for different applications. Factors like the fluid type, temperature, and pressure it will be subjected to help determine the appropriate pipe schedule to ensure safe and efficient operation.
- Q: Can steel pipes be used for solar power systems?
- Indeed, solar power systems can utilize steel pipes. In the realm of solar power systems, steel pipes find widespread usage in diverse applications such as constructing support structures, mounting systems, and piping systems for circulating heat transfer fluids. The reason behind the preference for steel pipes lies in their robustness, longevity, and ability to withstand various environmental conditions. These pipes possess the capability to bear the weight of solar panels and support structures, as well as endure the impact of wind and other external elements. Moreover, steel pipes can be easily tailored and welded to cater to specific project requirements. All in all, when it comes to solar power systems, steel pipes emerge as a dependable and cost-efficient alternative.
- Q: What are the factors to consider when selecting pipe materials for high-temperature applications?
- When selecting pipe materials for high-temperature applications, there are several factors that need to be taken into consideration. Firstly, the material's thermal conductivity is crucial. High-temperature applications require materials with high thermal conductivity to ensure efficient heat transfer and prevent heat buildup. Materials such as copper and stainless steel have excellent thermal conductivity and are commonly used in high-temperature pipe installations. Secondly, the material's resistance to thermal expansion is important. When exposed to high temperatures, pipes tend to expand. Therefore, it is crucial to choose materials with low thermal expansion coefficients to prevent deformation and potential pipe failure. Materials like carbon steel and stainless steel exhibit relatively low thermal expansion and are suitable for high-temperature applications. Thirdly, the material's mechanical strength and resistance to corrosion need to be considered. High temperatures can cause certain materials to weaken or corrode, leading to structural failures. It is essential to select materials that can withstand high temperatures without compromising their mechanical strength or corroding easily. Materials like alloy steel and nickel-based alloys are known for their high strength and resistance to corrosion, making them suitable for high-temperature applications. Furthermore, the material's cost and availability should be taken into account. Some high-temperature pipe materials may be expensive or difficult to obtain, which can impact the overall project budget and timeline. It is essential to balance the desired material properties with the project's financial and logistical constraints. Lastly, the specific application requirements and industry standards should be considered. Different industries may have specific guidelines or regulations regarding pipe materials for high-temperature applications. It is crucial to ensure that the selected materials comply with these standards to ensure safety, reliability, and compliance with industry regulations. In conclusion, the factors to consider when selecting pipe materials for high-temperature applications include thermal conductivity, resistance to thermal expansion, mechanical strength, resistance to corrosion, cost and availability, and compliance with industry standards. By carefully evaluating these factors, one can choose the most suitable pipe material to ensure efficient and reliable operation in high-temperature environments.
- Q: How do you calculate the flow velocity in a steel pipe?
- To calculate the flow velocity in a steel pipe, you need to consider the principles of fluid mechanics and apply relevant equations. The most commonly used equation to calculate flow velocity is the Bernoulli equation, which relates the pressure, velocity, and elevation of a fluid. First, you need to determine the volumetric flow rate (Q) of the fluid passing through the pipe. This can be done by measuring the mass flow rate (m) or the volumetric flow rate directly using a flow meter. Once you have the volumetric flow rate, you can proceed with calculating the flow velocity (V). The flow velocity (V) is obtained by dividing the volumetric flow rate (Q) by the cross-sectional area (A) of the pipe. The cross-sectional area of the pipe can be determined using the formula A = πr^2, where r is the radius of the pipe. Therefore, the formula to calculate the flow velocity (V) in a steel pipe is: V = Q / A Keep in mind that this calculation assumes an ideal flow condition and does not account for any frictional losses or other factors that may affect the flow. In real-world scenarios, it is essential to consider additional factors like pipe roughness, fluid viscosity, and pipe diameter to obtain a more accurate estimation of flow velocity.
- Q: What is the difference between hot-dip galvanizing and electroplating of steel pipes?
- Hot-dip galvanizing and electroplating are two different methods of applying a protective coating to steel pipes. Hot-dip galvanizing involves immersing the steel pipes in a bath of molten zinc, which creates a thick, durable coating that provides excellent corrosion protection. On the other hand, electroplating involves passing an electric current through a solution containing zinc ions, which causes the zinc to bond to the surface of the steel pipes. While electroplating can provide a thinner coating, it is generally less durable and may require additional layers or coatings for sufficient corrosion resistance.
- Q: How are steel pipes used in the manufacturing of food and beverage processing plants?
- Steel pipes are commonly used in the manufacturing of food and beverage processing plants due to their durability, cleanliness, and resistance to corrosion. These pipes are utilized for various purposes such as transporting liquids, gases, and ingredients within the plant. They are also essential for the distribution of water, steam, and other fluids required in the production and cleaning processes. Additionally, steel pipes are used for the installation of equipment, such as pumps and valves, ensuring a safe and efficient operation of the plant.
- Q: How are steel pipes joined together?
- Steel pipes are commonly joined together using various welding techniques, such as arc welding, butt welding, or socket welding. Additionally, other methods like threaded connections, flanges, or mechanical couplings can be used for joining steel pipes.
- Q: What are the common factors affecting the lifespan of steel pipes?
- There are several common factors that can affect the lifespan of steel pipes. 1. Corrosion: Corrosion is one of the primary factors that can significantly reduce the lifespan of steel pipes. Exposure to moisture, chemicals, and harsh environmental conditions can cause the steel to rust and deteriorate over time. 2. Quality of materials: The quality of the steel used in manufacturing the pipes plays a crucial role in determining their lifespan. Higher-quality steel with better resistance to corrosion and other forms of degradation will generally have a longer lifespan compared to lower-grade materials. 3. Installation and maintenance practices: Proper installation and regular maintenance are essential for ensuring the longevity of steel pipes. Improper installation techniques, such as inadequate support or improper alignment, can lead to premature failure. Similarly, neglecting routine maintenance, such as cleaning and inspection, can accelerate the degradation process. 4. Operating conditions: The operating conditions to which steel pipes are exposed can also impact their lifespan. Factors such as temperature, pressure, and the type of fluid or gas being transported can all affect the integrity of the pipes. Extreme conditions, such as high temperatures or corrosive substances, can significantly reduce the lifespan of steel pipes. 5. Mechanical stress: Excessive mechanical stress, such as vibration, impact, or heavy loads, can weaken steel pipes over time. This stress can lead to cracking, deformation, or even complete failure if not properly managed or accounted for during the design and installation process. 6. Environmental factors: The surrounding environment can have a significant impact on the lifespan of steel pipes. Exposure to harsh weather conditions, such as extreme temperature variations or frequent freeze-thaw cycles, can accelerate the deterioration process. Additionally, the presence of pollutants or aggressive substances in the surrounding soil or water can also contribute to the degradation of steel pipes. In summary, the lifespan of steel pipes can be affected by factors such as corrosion, material quality, installation and maintenance practices, operating conditions, mechanical stress, and environmental factors. By considering and addressing these factors, it is possible to extend the lifespan of steel pipes and ensure their durability and reliability.
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Rectangular Steel Pipe BS, JIS, GB, DIN
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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