2 1/2 INCH Seamless steel pipe API 5L/ASTM A 106/ASTM A53GR.B
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 5000 m.t./month
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There is a hollow section in seamless pipe and no seam around the steel. It is produced with solid bar by perforation. Seamless pipe does good in the field of pressure resistance and security than other classifications.You deserve it.
2、Main Features of the Seamless Pipe:
• High working accuracy
• High strength
• Small inertia resistance
• Strong therming dissipine ability
• Good appearance
• Reasonble price
3、Seamless 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) Executive standards: GB, ASME API5L.ASTM A 106/A53 and standards that meet 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 Seamless Pipe:
①How is the quality of your products?
We test on every pipe before delivery. All goods are strictly satisfy standard home and abroad. If products’ quality is not the same with our description, we promise 100% refund.
②How about the price?
Yes, we are factory and offering you the lowest price. Our policy is that “ to save time and be honest with our business relationship, we quote as low as possible for every client”, if you love bargain, just don’t waste your time. Our quotation is great.
③Why should you choose us?
Choice happens based on our quality and price. Besides, you can get professional products inquiry, products train (for agents), speedy goods delivery, outstanding customer proposals. SGS test is available. Customer inspection and third party inspection are OK.
6、Seamless Pipe Images：
- Q: What is the role of steel pipes in the construction of bridges and tunnels?
- Steel pipes play a crucial role in the construction of bridges and tunnels. They are extensively used for various purposes due to their strength, durability, and versatility. In bridge construction, steel pipes are commonly employed for the fabrication of the bridge's structural framework. They serve as the primary load-bearing members, providing support and stability to the entire structure. Steel pipes are particularly favored in bridge construction due to their high tensile strength, which enables them to withstand heavy loads, including the weight of vehicles and the dynamic forces generated by traffic. Steel pipes are also utilized in the construction of bridge piers and abutments. These components provide the foundation and support for the bridge structure. Steel pipes are often driven deep into the ground to create sturdy foundations that can withstand the forces exerted by the bridge's weight and external factors such as wind, water currents, and seismic activity. Similarly, steel pipes are essential in tunnel construction. They are extensively used in tunnel lining, which refers to the installation of structural elements along the tunnel walls and roof to provide stability and prevent soil or rock collapse. Steel pipes are often used as reinforcement elements, ensuring the structural integrity of the tunnel and protecting it from external pressures. Moreover, steel pipes are employed for underground utility systems in both bridges and tunnels. They serve as conduits for various utilities such as water supply, electrical cables, gas pipelines, and communication lines. Steel pipes are ideal for these applications due to their corrosion resistance, ability to withstand high pressures, and longevity. Overall, the role of steel pipes in the construction of bridges and tunnels is to provide strength, stability, and durability to the structures. They play a vital role in ensuring the safety and functionality of these critical infrastructure projects, allowing for efficient transportation and the seamless provision of utilities.
- Q: What are the factors to consider when designing a steel pipe system?
- When designing a steel pipe system, several factors need to be considered. Firstly, the intended purpose of the system and the materials that will be transported through it are crucial. This determines the required pipe diameter, thickness, and material type to ensure compatibility and prevent corrosion or leakage. Secondly, the operating conditions, such as temperature, pressure, and flow rate, must be examined to select pipes with suitable strength and resistance properties. Additionally, factors like environmental conditions, including soil characteristics and exposure to chemicals or natural elements, should be evaluated to determine the necessary protective coatings or insulation. Lastly, considerations like installation requirements, regulatory compliance, and maintenance accessibility should be taken into account to design a practical and efficient steel pipe system.
- Q: How are steel pipes used in the manufacturing of bicycles?
- Steel pipes are commonly used in the manufacturing of bicycles as they provide strength, durability, and rigidity to the frame structure. The pipes are typically used to construct the main frame, handlebars, seat post, and fork, ensuring a sturdy and reliable bicycle.
- Q: Can steel pipes be used for underwater applications?
- Yes, steel pipes can be used for underwater applications as they are known for their high strength, durability, and corrosion resistance, making them suitable for various underwater environments and industries such as offshore oil and gas, marine construction, and underwater pipelines.
- Q: Are steel pipes resistant to UV radiation?
- Generally, steel pipes have resistance to UV radiation. UV radiation is known to cause damage to materials over time, resulting in fading, discoloration, and degradation. However, steel pipes usually have protective layers, such as paint or galvanization, that help shield them from UV radiation. These coatings act as a barrier, preventing direct exposure of the steel to UV rays and minimizing potential damage. Furthermore, steel's inherent properties, including strength and durability, make it less susceptible to the effects of UV radiation compared to materials like plastics or rubber. Nevertheless, it is important to note that prolonged exposure to intense UV radiation can still have some impact on steel pipes, such as slight discoloration or surface degradation. To ensure the continued performance and longevity of steel pipes in outdoor or UV-exposed environments, regular maintenance and inspection are recommended.
- Q: How do you calculate the flow rate through a steel pipe?
- To calculate the flow rate through a steel pipe, you need to consider several factors. The most important ones are the diameter of the pipe, the pressure difference across the pipe, and the properties of the fluid flowing through it. Firstly, measure the inside diameter of the steel pipe accurately. This measurement is essential as it determines the cross-sectional area through which the fluid flows. The units for the diameter should be consistent with the units used for other measurements. Next, determine the pressure difference across the pipe. This can be done by measuring the pressure at two points along the pipe, typically at the inlet and outlet. The pressure measurements should be taken at the same height to avoid any discrepancies. The pressure difference is usually given in units of pressure (such as psi, kPa, or bar). Once you have the diameter and pressure difference, you can use the Bernoulli equation or the Darcy-Weisbach equation to calculate the flow rate. The Bernoulli equation relates the pressure difference to the velocity of the fluid. However, this equation assumes ideal conditions, neglecting factors such as friction losses, viscosity, and turbulence. The Darcy-Weisbach equation is more accurate and considers these factors. To use the Darcy-Weisbach equation, you need to know the properties of the fluid flowing through the pipe, such as its density and viscosity. These properties can be determined either through experimentation or by referring to literature values. Once you have all the necessary information, you can use the Darcy-Weisbach equation: Q = (π/4) * D^2 * √[(2 * ΔP) / (ρ * f * L)] Where: Q is the flow rate (in cubic meters per second or any other consistent units) D is the diameter of the pipe (in meters or any other consistent units) ΔP is the pressure difference across the pipe (in Pascals or any other consistent units) ρ is the density of the fluid flowing through the pipe (in kilograms per cubic meter or any other consistent units) f is the friction factor, which depends on the Reynolds number and the roughness of the pipe. L is the length of the pipe (in meters or any other consistent units) By plugging in the values for all the variables, you can calculate the flow rate through the steel pipe accurately.
- Q: What are the quality control measures for steel pipe manufacturing?
- Quality control measures for steel pipe manufacturing typically include: 1. Raw material inspection: Ensuring that the steel used for manufacturing pipes meets the required specifications and standards. 2. Dimensional checks: Verifying the outer diameter, wall thickness, and length of the pipes to ensure they meet the specified tolerances. 3. Visual inspection: Examining the surface of the pipes for any defects, such as cracks, pits, or corrosion, that could impact their quality or performance. 4. Mechanical testing: Conducting tests, such as tensile strength, yield strength, and hardness tests, to assess the mechanical properties of the pipes. 5. Non-destructive testing (NDT): Employing techniques like ultrasonic testing, magnetic particle inspection, or radiography to detect internal defects or flaws in the pipes without damaging them. 6. Welding inspection: Assessing the quality and integrity of welds used in joining pipe sections together, ensuring they meet the required standards. 7. Coating inspection: Checking the applied protective coatings for uniformity, adhesion, and resistance to corrosion or other environmental factors. 8. Pressure testing: Subjecting a sample of pipes to a hydraulic or pneumatic pressure test to verify their ability to withstand the intended operating conditions without leakage or failure. 9. Packaging and labeling: Ensuring proper packaging and labeling of the pipes, including identification of grade, size, and other relevant details, to facilitate easy identification and handling. 10. Documentation: Maintaining comprehensive records of all quality control activities, including test results, inspection reports, and certifications, for traceability and quality assurance purposes.
- Q: Are there specifications for scaffold steel pipe with 48mm * 3.2mm?
- Previously used steel pipe GB 51*3.0mm, the latest national standard JGJ130-2001 stipulates that the use of steel pipe for construction projects need to be 48*3.5mm specifications, the wall thickness should be 3.5mm square for qualified products.
- Q: Are steel pipes resistant to fire?
- Yes, steel pipes are highly resistant to fire.
- Q: RC is it welded steel pipe or galvanized steel pipe?
- RC pipe is galvanized steel pipe, usually followed by the diameter, such as RC50, that is, 50mm galvanized steel pipe.
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2 1/2 INCH Seamless steel pipe API 5L/ASTM A 106/ASTM A53GR.B
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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