CARTON SEAMLESS STEEL PIPE
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Seamless pipe possesses a hollow section and without seam around the strip steel. It is made with solid bar or steel ingot by perforating machine. As the facture process does not include any welding, seamless pipes are considered to be stronger and more durable. Generally speaking, seamless pipe was usually more easily available than welded pipe. Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell.
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,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 Seamless Pipe:
①How is the quality of your products?
We test on every pipe before delivery. Guaranteed: If products’ quality is not in accordance with description as we provide or the promise before you place order, we promise 100% refund.
②How about the price?
Yes, we are factory and be capable of offering you the lowest price. One of our policy is that “ to save time and be absolutely honest with our business relationship, we quote as low as possible for every client, and discount can be given according to the quantity”.
③Why should you choose us?
Choice happens because of our quality and price. SGS test is available. Customer inspection before shipping is welcome. Third party inspection is OK.
6、Seamless Pipe Images：
- Q:What is the role of steel pipes in the transportation of liquefied natural gas (LNG)?
- Steel pipes play a crucial role in the transportation of liquefied natural gas (LNG) as they are used to create the necessary infrastructure for the safe and efficient transfer of LNG. These pipes are designed to withstand the extreme cold temperatures and high pressures associated with LNG, ensuring the integrity and reliability of the transportation system. They are used to construct LNG terminals, storage tanks, and pipelines, providing a secure conduit for the LNG to be transported from production sites to distribution centers or export facilities. Steel pipes are preferred due to their strength, durability, and ability to resist corrosion, making them essential for the smooth and reliable transport of LNG across long distances.
- Q:What is the difference between schedule 10 and schedule 40 steel pipes?
- Schedule 10 and schedule 40 steel pipes find common usage in various industries for different purposes, differing in their wall thickness and pressure ratings. When it comes to wall thickness, schedule 10 pipes possess a slimmer wall in comparison to schedule 40 pipes. This attribute results in schedule 10 pipes having a smaller internal diameter and the ability to withstand lower pressure compared to schedule 40 pipes. While schedule 10 pipes typically have a wall thickness of 0.109 inches, schedule 40 pipes boast a wall thickness of 0.154 inches. The thinner walls of schedule 10 pipes make them ideal for applications with low pressure, such as domestic water supply, drainage systems, and general plumbing. Additionally, they are frequently employed in lightweight structures or where weight is a significant concern. On the other hand, schedule 40 pipes are specifically designed to handle higher pressure and are commonly utilized in industrial settings. These pipes are often found in applications such as oil and gas pipelines, chemical processing plants, and high-pressure fluid systems. The thicker walls of schedule 40 pipes provide them with enhanced strength and durability, enabling them to withstand higher pressure and stress. To summarize, the primary distinction between schedule 10 and schedule 40 steel pipes lies in their wall thickness and pressure ratings. Schedule 10 pipes have a thinner wall and are suitable for low-pressure applications, while schedule 40 pipes possess a thicker wall and can withstand higher pressure. It is crucial to select the appropriate schedule based on the specific requirements and pressure limitations of the intended application.
- Q:How do you calculate the pipe flow rate for steel pipes?
- To calculate the pipe flow rate for steel pipes, you will need to consider various factors. Firstly, determine the inside diameter of the pipe, typically denoted as D. Next, measure the length of the pipe, denoted as L. Additionally, you will need to know the pressure drop, ΔP, across the pipe and the fluid density, ρ. Once you have this information, you can use the Darcy-Weisbach equation or the Hazen-Williams equation to calculate the flow rate. The Darcy-Weisbach equation is commonly used for pipes with turbulent flow, while the Hazen-Williams equation is often used for pipes with laminar flow. For the Darcy-Weisbach equation, the formula is: Q = (π/4) * D^2 * √(2ΔP/ρ) Where Q is the flow rate in cubic meters per second, D is the inside diameter of the pipe in meters, ΔP is the pressure drop across the pipe in pascals, and ρ is the fluid density in kilograms per cubic meter. For the Hazen-Williams equation, the formula is: Q = C * (D^2.63) * (ΔP^0.54) * (L^0.63) Where Q is the flow rate in cubic meters per second, D is the inside diameter of the pipe in meters, ΔP is the pressure drop across the pipe in pascals, L is the length of the pipe in meters, and C is the Hazen-Williams coefficient which depends on the roughness of the pipe. To accurately calculate the pipe flow rate, it is important to ensure that the units of measurement are consistent throughout the calculation. Additionally, it is crucial to have accurate measurements of the inside diameter, length, pressure drop, and fluid density to obtain reliable results.
- Q:What are the different types of steel pipe connections for steam pipelines?
- There are several types of steel pipe connections commonly used for steam pipelines, including threaded connections, flanged connections, welded connections, and grooved connections.
- Q:What is the typical lifespan of steel pipes?
- The lifespan of steel pipes can differ based on several factors, including the steel quality, environmental conditions, and pipe maintenance and usage. On average, steel pipes typically last between 50 and 100 years. However, by installing them correctly, conducting regular inspections, and maintaining them appropriately, steel pipes can often surpass this lifespan and offer dependable service for many decades. It is worth noting that corrosion, erosion, and external damage can affect the longevity of steel pipes. Therefore, it is essential to implement preventive measures and carry out necessary repairs to guarantee their durability.
- Q:How can steel pipes be protected from corrosion?
- Steel pipes can be protected from corrosion through various methods such as applying protective coatings, using cathodic protection techniques, implementing proper maintenance and inspection procedures, controlling water chemistry, and utilizing corrosion inhibitors.
- Q:What is the maximum pressure that steel pipes can withstand?
- The maximum pressure that steel pipes can withstand varies depending on factors such as the steel grade, pipe dimensions, and wall thickness. However, steel pipes are known for their high strength and durability, allowing them to withstand pressures ranging from a few hundred to several thousand pounds per square inch (psi).
- Q:What are the different methods of pressure testing steel pipes?
- There are several different methods of pressure testing steel pipes, including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water and pressurizing it to a specified level to check for leaks or weaknesses. Pneumatic testing is similar but uses compressed air or gas instead of water. Ultrasonic testing involves using high-frequency sound waves to detect any defects or flaws in the pipe. Each method has its own advantages and is chosen based on the specific requirements and industry standards.
- Q:What is the role of steel pipes in power plants?
- Steel pipes play a crucial role in power plants as they are used for transporting various fluids, such as water, steam, and fuel, throughout the facility. These pipes are designed to withstand high temperatures, pressure, and corrosive environments, ensuring a safe and efficient operation of power generation equipment. They facilitate the circulation of cooling water, carry steam to drive turbines, and transport fuel to boilers, helping to generate electricity in power plants.
- Q:20# seamless steel pipe and seamless steel pipe 20G what is the difference?
- 20#: low carbon steel seamless steel pipe, carbon steel is generally divided into low carbon steel, medium carbon steel and high carbon steel three, 45# steel in carbon steel, low carbon steel is lower than 45#, 45# is higher than that of high carbon steel, seamless steel pipe, such as no special requirements, using 20# seamless steel tube. 20# seamless steel pipe material is 20# steel, the strength is slightly higher than 15#, very little quenching, no temper brittleness. Cold plastic deformation and for bending, rolling, bending and hammer arch processing, arc welding and contact welding welding performance is good, when the thickness is small, prone to strict requirement of shape crack or complex shape parts. The cold or normalizing state of the cutting process is better than that of the annealed one. It is generally used to make workpieces with little stress and high toughness.
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CARTON SEAMLESS STEEL PIPE
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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