New Hot selling 6 Meter Length Seamless Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 2000 m.t./month
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1、Structure of Seamless Pipe:
Seamless pipe is made with steel bar by perforating machine. It holds a hollow section and there is no seam around. Resulting from the facture process, seamless pipes are of better pressure resistance than other molds, and was usually more easily available and safe than other pipes. We are factory and definitely will satisfy your demand.
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. You can get any quality certification or testing report from us. Our products are strictly in accordance with international standard. If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about the price?
Yes, we are factory and offering you the lowest price in the market. Speed and honesty are our target. No hesitate. 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 choose us?
Think of our quality and price. They are charming. SGS test / Customer inspection / Third party inspection is OK. We are factory. So we can make any pipe you need in accordance to your requirement. That's attaracting, right?
6、Seamless Pipe Images：
- Q:How are steel pipes used in the construction of sewer systems?
- Steel pipes are commonly used in the construction of sewer systems due to their durability and strength. These pipes are used to transport wastewater and sewage from buildings to treatment plants or disposal sites. They are ideal for underground installation as they can withstand high pressure, resist corrosion, and are less prone to damage from external forces. Additionally, steel pipes can be easily welded or joined together, allowing for efficient installation and maintenance of sewer systems.
- Q:What are the different types of steel pipe fittings for plumbing systems?
- There are several different types of steel pipe fittings for plumbing systems, including elbows, tees, couplings, unions, reducers, and flanges.
- Q:How do you calculate the pipe pressure loss coefficient for steel pipes?
- To determine the pressure loss coefficient for steel pipes, one can utilize the widely accepted Darcy-Weisbach equation. This equation calculates the pressure loss in pipes caused by friction. It can be represented as follows: ΔP = f × (L/D) × (V^2/2g) In this equation: - ΔP represents the pressure loss in units of pressure, such as psi or Pa. - f denotes the Darcy friction factor, a dimensionless value. - L signifies the pipe length in units of length, such as feet or meters. - D represents the pipe diameter in units of length, such as feet or meters. - V indicates the fluid velocity flowing through the pipe in units of velocity, such as ft/s or m/s. - g represents the acceleration due to gravity in units of acceleration, such as ft/s² or m/s². The Darcy friction factor (f) is a dimensionless parameter that quantifies the amount of frictional resistance in the pipe. For steel pipes, this factor can be determined using the Moody diagram. The Moody diagram presents a graphical relationship between the Reynolds number (Re) and the friction factor (f) for various pipe roughness values. To calculate the pressure loss coefficient, one should find the friction factor (f) value based on the Reynolds number (Re) and the relative roughness of the steel pipe (ε/D). The Reynolds number is calculated as follows: Re = (ρ × V × D) / μ In this equation: - ρ represents the fluid density in units of mass per unit volume, such as lb/ft³ or kg/m³. - V denotes the fluid velocity in units of velocity, such as ft/s or m/s. - D signifies the pipe diameter in units of length, such as feet or meters. - μ represents the dynamic viscosity of the fluid in units of force per unit area per unit time, such as lb/ft·s or kg/m·s. Once the Reynolds number (Re) and the relative roughness (ε/D) are determined, one can refer to the Moody diagram to find the corresponding friction factor (f). The pressure loss coefficient (K) can then be calculated using the following formula: K = f × (L/D) In this equation: - L represents the pipe length in units of length, such as feet or meters. - D denotes the pipe diameter in units of length, such as feet or meters. By utilizing the Darcy-Weisbach equation and the Moody diagram, one can accurately calculate the pressure loss coefficient for steel pipes. This calculation is crucial for the design and analysis of fluid flow systems.
- Q:How are steel pipes insulated for thermal applications?
- Steel pipes are commonly insulated for thermal applications using various materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to create a protective barrier that reduces heat transfer. Additionally, a vapor barrier may be installed to prevent moisture condensation. This insulation helps to maintain the desired temperature of the fluid or gas being transported through the pipes and prevents energy loss.
- Q:How are steel pipes used in the construction of railways and transportation systems?
- Steel pipes are commonly used in the construction of railways and transportation systems for various purposes. One major use of steel pipes in these applications is for the construction of bridges and tunnels. Steel pipes are often used as structural components in the construction of bridges, providing support and stability to the overall structure. In tunnels, steel pipes are used as ventilation shafts, allowing for the circulation of air and removal of fumes, thus ensuring the safety of passengers and workers. Additionally, steel pipes are used for the construction of railway tracks. They are used as supports for the tracks, providing a stable base for the trains to travel on. Steel pipes used in railway tracks are typically coated or galvanized to protect them from corrosion and ensure their longevity. Moreover, steel pipes are used for drainage systems in railway stations and transport hubs, ensuring proper water management and preventing flooding. Another important application of steel pipes in transportation systems is for the construction of signposts and streetlights. Steel pipes are often used as the main structural element in these structures, providing strength and durability. They can be easily fabricated and shaped to meet the specific design requirements, making them a popular choice for these applications. Overall, steel pipes play a crucial role in the construction of railways and transportation systems by providing structural support, ensuring proper ventilation, facilitating drainage, and serving as the main components in various structures. Their strength, durability, and versatility make them an ideal choice for these applications, contributing to the safe and efficient operation of transportation networks.
- Q:How do you prevent leaks in steel pipes?
- One effective way to prevent leaks in steel pipes is by implementing a regular maintenance and inspection schedule. This includes checking for any signs of corrosion, damage, or wear and tear on the pipes. Additionally, using high-quality coatings or protective materials on the pipes can help minimize the risk of leaks by providing an extra layer of protection against external factors. Proper installation techniques and ensuring a secure connection between pipe joints are also crucial in preventing leaks.
- Q:Can steel pipes be used for underground stormwater drainage?
- Yes, steel pipes can be used for underground stormwater drainage. Steel pipes are durable and have a high strength-to-weight ratio, making them suitable for underground applications. They can withstand heavy loads and resist corrosion, ensuring long-term performance in stormwater drainage systems. Additionally, steel pipes can be easily welded, allowing for customization and flexibility in the design and installation process. However, it is important to ensure proper corrosion protection, such as applying a protective coating or using corrosion-resistant alloys, to prevent degradation over time. Regular maintenance and monitoring are also recommended to ensure the pipes remain in good condition and continue to effectively drain stormwater.
- Q:What are the different types of steel pipe coatings for marine applications?
- There are several types of steel pipe coatings used for marine applications, including fusion-bonded epoxy (FBE) coatings, three-layer polyethylene (3LPE) coatings, three-layer polypropylene (3LPP) coatings, and concrete weight coatings (CWC). These coatings provide protection against corrosion, abrasion, and other environmental factors, ensuring the longevity and durability of the steel pipes in marine environments.
- Q:What are the different types of joints used to connect steel pipes?
- There are several types of joints commonly used to connect steel pipes, including threaded joints, flanged joints, welded joints, and mechanical joints. Each type of joint has its own advantages and is chosen based on factors such as the application, pipe size, and pressure requirements.
- Q:Do steel pipes expand or contract with temperature changes?
- When the temperature increases, steel pipes undergo expansion, while they contract when the temperature decreases. This occurrence is due to the thermal expansion and contraction characteristics of steel, which are present in most materials. When steel pipes are heated, the molecules within the metal gain energy and vibrate more intensely, causing them to separate and increase in size. On the contrary, when the temperature of the steel pipes decreases, the molecules lose energy and move closer together, resulting in a reduction or shrinking in size. It is crucial to take into consideration these thermal expansion and contraction properties of steel pipes during their design and installation, as failure to accommodate these fluctuations might result in structural damage, leaks, or other complications.
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New Hot selling 6 Meter Length Seamless Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 2000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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