Round Steel Pipes with Good Quality Q195-Q345
- 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 Round 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 Round Pipe:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Round 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 Round 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、Round Pipe Images：
- Q: What is the difference between API 5L and ASTM A53 steel pipes?
- API 5L and ASTM A53 are two widely used standards for carbon steel pipes. While they both serve similar purposes, there are some key differences between them. 1. Scope: API 5L covers seamless and welded steel pipes for transportation of oil, gas, water, and other fluids. It also includes plain-end, threaded-end, and belled-end pipe types. On the other hand, ASTM A53 is a standard specification for seamless and welded black and hot-dipped galvanized steel pipes used for mechanical and pressure applications. 2. Manufacturing process: API 5L pipe is produced through a hot-rolling process, whereas ASTM A53 pipe is produced through a hot-rolling or cold-drawing process. This difference in manufacturing process affects the pipe's chemical composition and mechanical properties. 3. Chemical composition: API 5L pipe typically has a higher carbon content compared to ASTM A53 pipe. This is because API 5L pipe is used for conveying oil, gas, and water, which often require higher strength and durability. ASTM A53 pipe, on the other hand, is used for mechanical and pressure applications, where lower carbon content is suitable. 4. Mechanical properties: API 5L pipe has higher minimum yield strength and tensile strength compared to ASTM A53 pipe. This is due to the higher carbon content and stricter manufacturing process of API 5L pipe. ASTM A53 pipe has lower yield and tensile strength requirements, making it more suitable for general-purpose applications. 5. Coating options: API 5L pipe can be produced with various coating options such as black varnish, 3PE, FBE, and others, depending on the application requirements. ASTM A53 pipe is usually hot-dipped galvanized for corrosion resistance. In summary, API 5L and ASTM A53 steel pipes have different scopes, manufacturing processes, chemical compositions, mechanical properties, and coating options. Choosing the right pipe depends on the specific application requirements, such as the type of fluid being transported, the operating conditions, and the desired strength and durability.
- Q: How are steel pipes used in desalination plants?
- Steel pipes are used in desalination plants for transporting and distributing water throughout the plant's various processes, such as intake, pre-treatment, reverse osmosis, and post-treatment. They are preferred due to their durability, corrosion resistance, and ability to withstand high pressure and temperature conditions. Steel pipes ensure the efficient and reliable conveyance of water, contributing to the overall effectiveness of desalination plants in producing freshwater from seawater.
- Q: How are steel pipes used in irrigation systems?
- Steel pipes are commonly used in irrigation systems as they offer durability, strength, and corrosion resistance. These pipes are used to transport water from a water source to the fields or crops being irrigated. Their smooth interior surface allows for efficient water flow, and their high-pressure rating ensures that water reaches the desired areas with adequate force. Additionally, steel pipes are often used in underground irrigation systems due to their ability to withstand external pressures and protect the water supply from potential damage.
- Q: How do you determine the maximum allowable stress for steel pipes?
- To determine the maximum allowable stress for steel pipes, several factors need to be considered. These factors include the material properties of the steel, such as yield strength and ultimate tensile strength, as well as the intended use and operating conditions of the pipes. Standards and codes such as ASME B31.3 or API 5L provide guidelines and formulas to calculate the maximum allowable stress based on these factors. Additionally, industry experts and engineers use various testing methods and simulations to ensure the safety and integrity of steel pipes under different loads and environments.
- Q: How are steel pipes sized and classified?
- Steel pipes are sized and classified based on their outer diameter, wall thickness, and length. The sizing is done using standard measurements such as nominal pipe size (NPS) or nominal diameter (DN). Classification is determined by factors such as the pipe's pressure rating, material composition, and intended use. This helps ensure compatibility and proper installation in various applications such as plumbing, construction, and industrial processes.
- 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, including the diameter and length of the pipe, the viscosity and temperature of the fluid being transported, the pressure difference across the pipe, and any obstructions or irregularities in the pipe's interior surface. Additionally, the type of fluid being transported and its flow characteristics, such as laminar or turbulent flow, can also impact the flow rate of steel pipes.
- Q: How do you calculate the pipe flow rate for steel pipes?
- To calculate the pipe flow rate for steel pipes, you can use the Hazen-Williams equation or the Darcy-Weisbach equation. These equations take into consideration factors such as the pipe diameter, length, roughness, and the pressure difference between the two ends of the pipe. By plugging in these values into the respective equation, you can determine the flow rate of the fluid passing through the steel pipe.
- Q: What are the different methods of pipe repair for steel pipes?
- There are several methods for repairing steel pipes, including spot repair, slip lining, pipe bursting, and pipe relining. Spot repair involves cutting out and replacing a small section of the damaged pipe. Slip lining involves inserting a smaller diameter pipe into the existing pipe to reinforce it. Pipe bursting involves breaking the old pipe while simultaneously installing a new one. Pipe relining involves inserting a liner into the damaged pipe and then curing it in place to create a new, seamless pipe within the existing one. The choice of method depends on the extent and location of the damage, as well as budget and time constraints.
- Q: How are steel pipes insulated against heat loss?
- Steel pipes are commonly insulated against heat loss by applying a layer of thermal insulation material around the pipes. This insulation material can be in the form of foam, mineral wool, or fiberglass. The insulation is typically wrapped tightly around the pipes and secured with adhesive or tape to ensure proper coverage. This insulation layer helps to reduce heat transfer through the pipe walls, thereby minimizing heat loss. Additionally, the insulation may be covered with a protective jacket or coating to provide further protection against external elements.
- Q: Can steel pipes be used for underground fuel storage systems?
- Steel pipes are an excellent choice for underground fuel storage systems. Due to their strength, durability, and resistance to corrosion, they are widely used in this application. By opting for steel pipes, one can rely on a secure and long-lasting solution for underground fuel storage. These pipes are capable of withstanding the pressure and weight of the fuel, making them suitable for this purpose. Moreover, their easy weldability and interconnectivity provide flexibility in designing and constructing such systems. However, it is crucial to ensure that the steel pipes used in underground fuel storage systems are properly coated or lined to prevent corrosion and protect the fuel from contamination. Regular inspections and maintenance play a vital role in identifying and addressing any potential issues that may arise.
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Round Steel Pipes with Good Quality Q195-Q345
- 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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