WELDED API 5L ERW STEELPIPE
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1、Structure of Welded Steel Tube:
Welded Steel Tube is widely applied to line pipe and casing and tubing in oil transportation and casing field, and it is used in Low,high pressure liquid and gassy transportation and it is also good Structure pipe (for furniture, window, door, building , bridge, mechanical etc).We will provide you high quality of welded pipe and professioanl service. That's great.
2、Main Features of the Welded Steel Tube:
• High manufacturing accuracy
• The higher strength
• The small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Satisfy price
3、Welded 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 Welded Steel Tube:
①How is the quality of your products?
Our products are strictly in accordance with international and domestic standard. We test on every pipe before delivery. Any quality certification or testing report you want to see, please tell us.
②How about the price?
Yes, we are offering you the lowest price since we are factory ourself. if you are interested in bargain and dissatisfy our factory price, just don’t waste your time. Our quotation is professional.
③Why should you choose us?
Choice happens because of our quality and price. 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 OK.
6、 Welded Steel Tube Images：
- Q: What are the common sizes of steel pipes?
- The common sizes of steel pipes vary depending on the application and standards followed. However, some common sizes include 1/8 inch, 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, 1 inch, 1.25 inches, 1.5 inches, 2 inches, 2.5 inches, 3 inches, 4 inches, 5 inches, 6 inches, 8 inches, 10 inches, 12 inches, 14 inches, 16 inches, 18 inches, 20 inches, 24 inches, 30 inches, 36 inches, 42 inches, and 48 inches.
- Q: How do you calculate the pipe deflection for steel pipes?
- To determine the pipe deflection of steel pipes, various factors must be taken into account. Pipe deflection refers to the bending or displacement that occurs when a load is applied. The following steps outline the process for calculating pipe deflection: 1. Obtain the steel pipe properties: Familiarize yourself with the material properties of the steel pipe, including its Young's modulus (E) and moment of inertia (I). Young's modulus denotes the material's stiffness, while the moment of inertia measures its resistance to bending. 2. Identify the applied load: Determine the nature and magnitude of the load that will be exerted on the pipe. This may encompass internal pressure, external loads, or thermal expansion. 3. Utilize the appropriate formula: Depending on the load type and pipe support conditions, the suitable formula must be employed to calculate the deflection. For instance, if the pipe is simply supported (fixed at both ends), the formula δ = (5 * w * L^4) / (384 * E * I) can be used. Here, δ represents the deflection, w signifies the load per unit length, L denotes the pipe length, and E and I refer to the previously mentioned material properties. 4. Input values and compute: Insert the load, pipe length, and material properties into the formula. By doing so, the deflection of the steel pipe can be determined. It is crucial to note that calculating pipe deflection is a complex procedure that necessitates expertise in structural engineering. Therefore, it is advisable to consult a professional engineer or employ specialized software for accurate and reliable results.
- Q: How are steel pipes used in LNG terminals?
- Steel pipes are used in LNG terminals for the transportation of liquefied natural gas from storage tanks to various processing units within the terminal. These pipes are designed to withstand the extreme cold temperatures and high pressure of LNG, ensuring safe and efficient transfer of the gas. Additionally, steel pipes are also used for the distribution of LNG to various end-users, such as power plants or industrial facilities, providing a reliable and robust infrastructure for the delivery of this valuable energy source.
- Q: How are steel pipes tested for strength and durability?
- Steel pipes are tested for strength and durability through various methods, including destructive and non-destructive testing. Destructive testing involves subjecting the pipes to intense pressure or impact to determine their breaking point, while non-destructive testing methods, such as ultrasonic or magnetic particle testing, are used to detect any internal or surface defects that may compromise their strength and durability. These tests ensure that steel pipes meet the required standards and can withstand the intended usage conditions.
- Q: What are the different methods of coating steel pipes for insulation?
- Insulating steel pipes can be achieved through various methods, each with its own pros and cons. 1. One method involves applying a layer of thermal insulation material, like mineral wool or foam, onto the steel pipes. This helps minimize heat transfer and energy loss. While these coatings are easy to apply and offer excellent insulation properties, they are prone to degradation over time and require regular maintenance and replacement. 2. Another approach is to coat the steel pipes with materials that protect against corrosion, such as epoxy or polyethylene. These coatings act as a barrier, shielding the pipes from moisture, chemicals, and other corrosive elements. They are durable and long-lasting, providing effective protection. However, they may not offer significant thermal insulation. 3. Fusion-bonded epoxy (FBE) coating is a popular method that combines both insulation and corrosion protection. It involves applying a layer of epoxy powder to the pipes and heating it to create a strong bond. FBE coatings offer excellent adhesion, corrosion resistance, and some thermal insulation properties. They are commonly used in oil and gas pipelines, enduring harsh environments and high temperatures. 4. Polyurethane foam is often used as an insulation coating for steel pipes. It is applied by spraying or injecting the foam onto the pipe surface, where it expands and hardens, forming a protective layer. Polyurethane foam coatings provide exceptional thermal insulation and can be applied to pipes of different shapes and sizes. However, they require specialized equipment and expertise and may be susceptible to physical damage or moisture absorption if not properly sealed. 5. Ceramic coatings offer yet another option for insulating steel pipes. These coatings are typically applied through a thermal spray process, creating a layer of ceramic material on the pipe surface. Ceramic coatings provide insulation against high temperatures, corrosion resistance, and thermal shock protection. They are commonly used in industries like power generation and aerospace, where extreme temperature conditions are present. However, ceramic coatings can be costly and require specialized equipment and expertise for application.
- Q: Can steel pipes be used for conveying abrasive materials?
- Yes, steel pipes can be used for conveying abrasive materials. Steel pipes are known for their durability and resistance to wear and tear, making them suitable for transporting abrasive substances such as sand, gravel, or chemicals. Additionally, steel pipes can handle high pressure and temperature conditions, further contributing to their suitability for conveying abrasive materials.
- Q: How is the steel pipe dance installed at home?
- According to international competition practice, the standard size of steel tube is 40 mm or 45 mm in diameter, and the 45mm is usually used. The height of the steel pipe is not less than 3.3 meters and not higher than 4 meters. The steel pipe fittings used in the pipe dance are made of smooth surface material, usually chrome or polished by steel or iron.
- Q: Can steel pipes be used for transporting gases and liquids?
- Yes, steel pipes can be used for transporting gases and liquids. Steel pipes are known for their high strength, durability, and resistance to corrosion, making them an ideal choice for transporting various substances. Additionally, steel pipes have the ability to withstand high pressure and temperature, making them suitable for a wide range of applications in industries such as oil and gas, water supply, and chemical processing.
- Q: Is the diameter of the steel tube indicated by the outer diameter by the wall thickness or by the inside diameter by the wall thickness?
- Seamless steel pipe specifications are: outer diameter, wall thickness, material. Three of these reflect its main features.Welding pipe specifications are: nominal diameter (internal diameter), galvanized or non plated
- 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.
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WELDED API 5L ERW STEELPIPE
- 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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