Hot Rolled Seamless Steel Tube
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 9000 m.t./month
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1、Structure of Hot Rolled Seamless Steel Tube
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 Hot Rolled Seamless Steel Tube
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Hot Rolled Seamless Steel Tube 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 Hot Rolled Seamless Steel Tube
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、Hot Rolled Seamless Steel Tube Images：
- Q: How do steel pipes perform in corrosive environments?
- Steel pipes perform well in corrosive environments due to their inherent resistance to corrosion. Steel is a durable and strong material that can withstand exposure to various corrosive elements such as moisture, chemicals, and saltwater. Additionally, steel pipes can be further protected through coatings or linings to enhance their resistance to corrosion, making them a reliable choice for applications in corrosive environments.
- Q: What are the different methods of pipe joining for steel pipes?
- Steel pipes can be joined using various methods, each with its own benefits and drawbacks. These methods include: 1. Butt Welding: Two steel pipes are welded together by beveling or facing their ends to form a V-groove. Molten metal is then used to fill the groove, creating a strong and long-lasting joint. 2. Socket Welding: A socket is welded onto the end of a steel pipe, and another pipe is inserted into the socket and welded in place. This method creates a leak-proof and corrosion-resistant joint. 3. Threaded Joint: Steel pipes can be joined by threading the ends and using a threaded coupling or union to connect them. This method is commonly used for smaller pipes and allows for easy disassembly and reassembly. 4. Flanged Joint: For larger pipes, a flange is attached to the end of each pipe, and the flanges are fastened together with gaskets using bolts. This method is commonly used in industries such as oil and gas, water treatment, and chemical processing. 5. Grooved Joint: Grooving machines are used to create a groove on the outside of the pipe. A coupling or fitting is then inserted into the groove and secured with bolts or clamps. This method is quick to install and allows for easy disassembly and reassembly. The choice of pipe joining method depends on factors such as pipe size, application, and desired strength and durability. Each method has its own advantages and disadvantages.
- Q: What is the maximum allowable pressure for steel pipes?
- The maximum allowable pressure for steel pipes depends on various factors such as the type of steel used, the diameter and thickness of the pipe, and the specific application or industry requirements. The American Society of Mechanical Engineers (ASME) provides guidelines and standards for pressure vessel and piping design, including the determination of maximum allowable pressure. ASME B31.1 and B31.3 are widely used codes for power piping and process piping respectively. These codes specify the design criteria for various materials, including steel, and provide formulas and charts to calculate the maximum allowable pressure for different pipe sizes and wall thicknesses. The maximum allowable pressure is typically determined based on the pipe's ability to withstand internal pressure without causing any permanent deformation or failure. It is important to note that the maximum allowable pressure for steel pipes may also be influenced by other factors such as temperature, corrosion, and the presence of any external loads or stresses. Therefore, it is essential to consult the relevant codes, standards, and engineering calculations specific to the application to ensure the safe and reliable operation of steel pipes under the given conditions.
- Q: What are the different types of steel pipe coatings for drinking water pipelines?
- There are several types of steel pipe coatings used for drinking water pipelines, including fusion bonded epoxy (FBE), polyethylene (PE), and polyurethane (PU) coatings. Each coating offers different advantages, such as corrosion resistance, durability, and smoothness, to ensure the safety and quality of drinking water.
- Q: Can steel pipes be used for underground water supply networks?
- Steel pipes are a viable option for underground water supply networks; they possess qualities such as durability, strength, and corrosion resistance. These pipes are commonly employed due to their ability to endure high pressure and bear the weight of the soil and other external forces. Furthermore, steel pipes come in a range of sizes and can be easily welded, making them suitable for diverse water supply system needs. Nevertheless, it is crucial to consider factors like soil quality, the presence of corrosive substances or chemicals, and the necessity of routine maintenance to guarantee the long-lasting effectiveness of steel pipes in underground water supply networks.
- Q: Are steel pipes suitable for underground mining applications?
- Steel pipes are a great choice for underground mining. The mining industry has been using steel pipes for a long time, and they have many different uses, such as supplying water, providing ventilation, and moving materials. Steel pipes are strong and durable, making them perfect for the tough conditions of underground mining. One of the reasons steel pipes are so good for underground mining is their high tensile strength. This means they can handle the pressure and stress from the rock and earth around them. They can also carry heavy loads, which is important for transporting materials and supporting structures in mining tunnels. Another advantage of steel pipes is their resistance to corrosion. This is really important in underground mining, where there's often moisture and chemicals around. With steel pipes, you don't have to worry about them getting damaged and needing to be replaced or repaired all the time. Steel pipes are also easy to weld and join together. This means they can be customized to fit different shapes and sizes to suit the specific needs of each mining operation. To sum up, steel pipes are a fantastic choice for underground mining because they're strong, durable, resistant to corrosion, and versatile. They've been proven to be effective in supporting mining operations and ensuring safety and efficiency.
- Q: How are steel pipes used in the construction of skyscrapers?
- Steel pipes are used in the construction of skyscrapers primarily for their strength and durability. These pipes provide structural support and serve as columns, beams, and foundations, helping to distribute the weight and withstand the immense forces exerted on tall buildings. Additionally, steel pipes are used for plumbing and HVAC systems, allowing for efficient water supply, drainage, and climate control throughout the skyscraper.
- Q: How are steel pipes used in HVAC systems?
- Steel pipes are commonly used in HVAC systems for various purposes. They are used for transporting fluids such as water, steam, and refrigerant throughout the system. These pipes are durable and resistant to high temperatures and pressures, making them suitable for the demanding conditions of HVAC applications. They are used for distributing and circulating the heated or cooled air, as well as for connecting different components of the system, including boilers, chillers, heat exchangers, and air handlers. Additionally, steel pipes are often used for ventilation and exhaust purposes in HVAC systems.
- Q: Can steel pipes be used for underground chemical injection?
- Underground chemical injection can utilize steel pipes. These pipes are widely employed across industries due to their durability, strength, and resistance to corrosion. For underground chemical injection purposes, steel pipes bring various advantages. They can endure high pressure and temperature, making them suitable for the transportation and injection of chemicals into the ground. Furthermore, steel pipes exhibit superb chemical resistance, guaranteeing that they will not interact with the injected chemicals and compromise the system's integrity. Nevertheless, it is crucial to select the appropriate grade of steel pipe that is compatible with the specific chemicals being injected to ensure optimal performance and longevity. Regular maintenance and inspections are also necessary to identify any potential corrosion or damage to the pipes, thus ensuring the safe and efficient operation of the chemical injection system.
- Q: What are the different types of expansion joints used with steel pipes?
- There are several types of expansion joints commonly used with steel pipes, including bellows expansion joints, slip expansion joints, and flanged expansion joints. Bellows expansion joints are flexible connectors made of a series of convolutions that allow for axial, lateral, and angular movement. Slip expansion joints consist of two pipe sections with a sliding sleeve in between, allowing for limited axial movement. Flanged expansion joints are designed with flanged ends to provide flexibility and accommodate movement in all directions. These various types of expansion joints are used to absorb thermal expansion, vibration, and misalignment in steel pipe systems.
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Hot Rolled Seamless Steel Tube
- Ref Price:
-
- Loading Port:
- China Main Port
- 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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