Seamless steel pipe of various materials
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 35 m.t.
- Supply Capability:
- 9000 m.t./month
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1、Structure of Seamless steel pipe of various materials
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. Seamless steel pipe has a hollow section, a large number of pipes used for conveying fluid, such as oil, natural gas, gas, water and some solid materials, etc
2、Main Features of Seamless steel pipe of various materials
• High manufacturing accuracy
• Small inertia resistance
• Good visual effect
• Reasonable price
3、 Seamless pipe of Seamless steel pipe of various materials
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 Seamless steel pipe of various materials
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.
6、Seamless steel pipe of various materials Images：
- Q: How are steel pipes used in the infrastructure development?
- Steel pipes are widely used in infrastructure development for various purposes. They are commonly used for transporting water, oil, and gas, as well as for drainage systems and sewage networks. Steel pipes are also used in the construction of bridges, buildings, and highways, providing structural support and stability. Additionally, steel pipes are utilized in underground utilities, such as telecommunications and electrical systems. Their durability, strength, and resistance to corrosion make steel pipes a crucial component in infrastructure development.
- Q: Can steel pipes be used for fire sprinkler systems?
- Yes, steel pipes can be used for fire sprinkler systems. Steel pipes are commonly used in fire sprinkler systems due to their durability, high heat resistance, and ability to withstand high water pressure. They are also cost-effective and widely available, making them a popular choice for such systems.
- Q: What are the common uses of steel pipes in construction?
- Steel pipes are commonly used in construction for various purposes such as carrying water, gas, and sewage, as well as for structural support in building frameworks, bridges, and underground piping systems. They are also used in the transportation of fluids and materials, making them essential in industries like oil and gas, manufacturing, and infrastructure development.
- Q: How do you calculate the flow velocity in a steel pipe?
- To calculate the flow velocity in a steel pipe, you need to consider the principles of fluid mechanics and apply relevant equations. The most commonly used equation to calculate flow velocity is the Bernoulli equation, which relates the pressure, velocity, and elevation of a fluid. First, you need to determine the volumetric flow rate (Q) of the fluid passing through the pipe. This can be done by measuring the mass flow rate (m) or the volumetric flow rate directly using a flow meter. Once you have the volumetric flow rate, you can proceed with calculating the flow velocity (V). The flow velocity (V) is obtained by dividing the volumetric flow rate (Q) by the cross-sectional area (A) of the pipe. The cross-sectional area of the pipe can be determined using the formula A = πr^2, where r is the radius of the pipe. Therefore, the formula to calculate the flow velocity (V) in a steel pipe is: V = Q / A Keep in mind that this calculation assumes an ideal flow condition and does not account for any frictional losses or other factors that may affect the flow. In real-world scenarios, it is essential to consider additional factors like pipe roughness, fluid viscosity, and pipe diameter to obtain a more accurate estimation of flow velocity.
- Q: How are steel pipes used in heating systems?
- Steel pipes are commonly used in heating systems to transport hot water or steam from the boiler to the radiators or heating units. The durability and strength of steel make it an ideal choice for withstanding high temperatures and pressure. These pipes are typically installed underground or within the walls and floors of buildings to distribute heat efficiently throughout the space.
- Q: How do you calculate the thermal expansion of steel pipes?
- To calculate the thermal expansion of steel pipes, you need to use the coefficient of thermal expansion (CTE) for steel. The CTE is a measure of how much a material expands or contracts with changes in temperature. For steel, the average value of the CTE is typically around 12 x 10^-6 per degree Celsius (12 μm/m°C). To calculate the thermal expansion of a steel pipe, you need to know the initial length of the pipe (L0), the change in temperature (ΔT), and the coefficient of thermal expansion (CTE) for steel. The formula to calculate the thermal expansion is as follows: ΔL = L0 * CTE * ΔT Where: ΔL is the change in length of the steel pipe L0 is the initial length of the steel pipe CTE is the coefficient of thermal expansion for steel ΔT is the change in temperature For example, let's say you have a steel pipe with an initial length of 2 meters (L0), and the temperature increases by 50 degrees Celsius (ΔT). The CTE for steel is 12 x 10^-6 per degree Celsius. ΔL = 2m * 12 x 10^-6/°C * 50°C ΔL = 0.00024m/m°C * 50°C ΔL = 0.012m Therefore, the steel pipe would expand by 0.012 meters or 12 millimeters when the temperature increases by 50 degrees Celsius. It's important to note that this calculation assumes a linear expansion, which is valid for small changes in temperature. However, for larger temperature differences or more complex pipe systems, a more detailed analysis may be required to account for factors such as the pipe's material properties, geometry, and thermal boundary conditions.
- Q: How long do steel pipes last?
- There are several factors that can influence the lifespan of steel pipes. These factors include the quality of the steel used, the installation environment, and the maintenance and care provided to the pipes. Steel pipes are generally recognized for their durability and long life. When properly installed and regularly maintained, steel pipes can endure for many decades, sometimes even surpassing 50 years. However, it is important to consider external factors that can greatly impact their lifespan, such as corrosion, exposure to extreme temperatures, and chemical reactions. To ensure the reliability and functionality of steel pipes for an extended period, it is crucial to conduct regular inspections, make timely repairs, and apply protective coatings.
- Q: How are steel pipes protected against ultraviolet radiation?
- Steel pipes are typically protected against ultraviolet radiation by applying a coating or paint that contains UV-resistant additives. This coating acts as a barrier, preventing the harmful effects of UV radiation from causing damage or degradation to the steel surface.
- Q: Can steel pipes be used for paper mills?
- Yes, steel pipes can be used for paper mills. Steel pipes are commonly used in paper mills for various purposes such as transporting fluids, chemicals, and steam within the facility. They are known for their durability, strength, and resistance to corrosion, making them suitable for the harsh conditions and high-pressure requirements of paper mill operations.
- Q: Where is the difference between seamless steel pipe and welded pipe?
- The steel tube is a hollow steel strip, used as pipe conveying fluid, such as oil, gas, water, gas, steam, in addition, the bending and torsional strength of the same, the weight is light, so it is widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.Pipe classification: steel pipe seamless steel pipe and welded steel pipe (tube) two categories. It can be divided into round tube and special-shaped tube according to the sectional shape. The round steel tube is widely used, but there are some special-shaped steel tubes such as square, rectangle, semicircle, hexagon, equilateral triangle and octagon.
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Seamless steel pipe of various materials
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 35 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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