LSAW Steel Pipe API Double Submerged Arc Welded Steel Pipe for Construction Structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 10000 m.t./month
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LSAW Pipe
LSAW / Longitudinally Submerged Arc Welded Steel Pipe
Outer Diameter： 400-1520mm
Wall Thickness： 8mm ~ 50mm
Length： 3m ~ 12.3m
Standard / Steel Grade
API5LPSL1/PSL2Gr.B,X42~X80,ASTMA252Gr.2,Gr.3,ASTMA53Gr.B
EN10217-1,EN10219-1,EN10025 S235JR,S275JR,S355JR, EN10224 L235,L275,L355,DIN 1629 ST37,ST44,ST52
GB/T9711.1-1997,GB/T9711-2011: L245~L555
GB/T3091-2008:Q235B,Q345B,20#,16Mn etc.
Usage
For conveying petroleum, natural gas, coal gas,drainage,water, chemical material and other medium/low pressure liquids and used for piling project, electric power projects, heat-supply, shipbuilding & construction projects.
Delivery Condition
Beveled or plain ends with or without protector or protective caps with or without varnish/2PP/2PE/3PE/ 3PP/FBE external anti-corrosive coating with or without cement mortar/ /Liquid type epoxy resin/ FBE internal anti-corrosive coating as per customer's requirements
- Q:How long is the seamless tube?
- Seamless steel tube specification: 8-1240 * 1-200mm
- Q:How are steel pipes used in the telecommunications industry?
- Steel pipes are commonly used in the telecommunications industry for the installation of underground and overhead cables. These pipes provide a protective casing for the cables, ensuring their safety from external elements and physical damage. Additionally, steel pipes are used in the construction of telecommunication towers and infrastructure, providing support and stability for antennas, satellite dishes, and other communication equipment.
- Q:What are the dimensions of steel pipes?
- The dimensions of steel pipes can vary greatly depending on the specific application and industry requirements. However, common dimensions for steel pipes include diameter, wall thickness, and length. Diameter can range from a few millimeters to several meters, while wall thickness can vary from thin-walled pipes to thick-walled pipes. Lengths can be customized based on project needs, but standard lengths are typically 6 meters or 20 feet.
- Q:Is the PVC tube a plastic tube or a plastic tube?.
- Or polymer polymerized by radical polymerization under the action of light and heat. The vinyl chloride homopolymer and vinyl chloride copolymer are collectively referred to as vinyl chloride resins. The material is a non crystalline material. PVC materials often use stabilizers, lubricants, auxiliary processing agents, pigments, anti shock agents and other additives in practical use. Is not flammable, high strength, excellent resistance to climate variability and geometric stability. PVC has strong resistance to oxidizing agents, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid, and it is also not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons.
- Q:What are the main types of steel pipe ah? How to judge which kind of steel pipe performance is better?
- Welded steel pipe for different welding process and divided into the furnace pipe welding (ERW) pipe and automatic arc welding, because of the different forms of welding seam welded pipe and spiral welded pipe is divided into two kinds, end its shape is divided into circular welded and shaped (square, flat) pipe.The welded pipe is rolled into the steel tubular to sew or spiral seam welded in the manufacturing method, and is divided into low pressure fluid delivery with welded steel pipe, spiral welded steel pipe, welded steel pipe, welded pipe roll etc.. Seamless steel pipe can be used in various industries, such as liquid, pneumatic, pipeline and gas pipeline. Welding pipes can be used in water pipelines, gas pipelines, heating pipes, electrical appliances, pipelines and so on.Press materialSteel pipe according to the pipe material (ie steel) can be divided into: carbon tube and alloy tube, stainless steel tube.Carbon tube can be divided into ordinary carbon steel tube and high quality carbon structure tube.The alloy tube can be divided into: low alloy pipe, alloy pipe structure, high alloy tube, high strength tube. Bearing tube, heat resistant acid resistant stainless pipe, precision alloy (such as cutting alloy) pipe, high temperature alloy tube, etc..
- Q:What are the different coating options for steel pipes?
- There are several coating options available for steel pipes, each serving a specific purpose and providing unique benefits. Some of the most common coating options for steel pipes include: 1. Fusion Bonded Epoxy (FBE) Coating: FBE coating is a popular choice for steel pipes used in various industries. It provides excellent corrosion resistance, impact resistance, and adhesion to the pipe surface. FBE coating is typically applied through a heat-induced chemical reaction, creating a durable and protective layer. 2. Polyethylene (PE) Coating: PE coating is commonly used for underground steel pipes, as it provides superior resistance against corrosion, abrasion, and chemicals. This coating is applied using extrusion methods and forms a seamless layer over the steel pipe, preventing any moisture penetration. 3. Polyurethane (PU) Coating: PU coating is known for its exceptional resistance to abrasion, chemicals, and harsh environmental conditions. It is commonly used for steel pipes exposed to extreme temperatures or in aggressive environments. PU coating can be applied in multiple layers to provide enhanced protection. 4. Coal Tar Enamel (CTE) Coating: CTE coating is a traditional option for steel pipes that require protection against corrosion. It is a thick, black coating that provides excellent resistance to water, soil, and atmospheric corrosion. CTE coating is typically applied using a hot-applied coating method. 5. Zinc Coating: Zinc coating, also known as galvanization, is a widely used protective coating for steel pipes. It involves applying a layer of zinc to the pipe surface, creating a barrier against corrosion. Zinc coating can be applied through hot-dip galvanization or electro-galvanization methods. 6. Concrete Coating: Concrete coating is often used for steel pipes in underground or submerged applications. It provides a robust protective layer against corrosion, abrasion, and mechanical damage. Concrete coating is typically applied as a cement mortar or a reinforced concrete layer. These are just some of the coating options available for steel pipes. The choice of coating will depend on factors such as the intended application, environmental conditions, and required durability. It is essential to select the appropriate coating to ensure the longevity and performance of the steel pipes in various industries.
- Q:How do you calculate the deflection of a steel pipe?
- To determine the deflection of a steel pipe, one must take into account various factors, including material properties, applied loads, and geometrical characteristics. The following steps can serve as a guide: 1. Material properties must be determined. This involves obtaining information about the steel pipe, such as its Young's modulus (E), which signifies its stiffness or resistance to deformation. Typically, this value is provided by the manufacturer or can be found in material databases. 2. The applied loads need to be analyzed. It is necessary to identify the types and magnitudes of the loads acting on the steel pipe. These loads can consist of point loads, distributed loads, or a combination of both. Additionally, the location and orientation of the applied loads must be determined. 3. The geometry of the pipe must be evaluated. The dimensions of the steel pipe, including its length (L), outer diameter (D), and wall thickness (t), should be measured or obtained. Accuracy in these values is crucial for precise calculations. 4. An appropriate calculation method should be selected. Depending on the complexity of the loading and support conditions, one may need to employ either simple beam theory or more advanced structural analysis methods, such as the finite element method (FEM). 5. The relevant equations must be applied. For simple beam theory, the Euler-Bernoulli beam equation can be utilized to calculate the deflection at a specific point on the pipe. This equation assumes the pipe is homogeneous, linearly elastic, and subjected to small deflections. In more complex scenarios, FEM software can handle the calculations. 6. Boundary conditions must be determined. The support conditions at both ends of the pipe, which can include fixed supports, simply supported ends, or combinations of both, need to be identified. These conditions significantly influence the deflection of the pipe. 7. The deflection can be calculated. By using the equations relevant to the chosen method and incorporating the material properties, applied loads, and geometry, one can calculate the deflection at specific points along the steel pipe. The deflection can be measured in terms of vertical displacement or angular rotation. It is important to note that calculating the deflection of a steel pipe may require specialized engineering knowledge and software tools. If one lacks experience in structural analysis, it is advisable to consult a professional engineer to ensure accurate results and safe design.
- Q:What are the different testing methods used for steel pipes?
- There are several testing methods used for steel pipes to ensure their quality and reliability. Some of the commonly used testing methods include: 1. Non-destructive Testing (NDT): NDT methods such as ultrasonic testing, magnetic particle inspection, and liquid penetrant testing are used to detect any surface or subsurface defects in the steel pipes without causing any damage to them. 2. Mechanical Testing: Mechanical testing involves conducting various tests to evaluate the mechanical properties of steel pipes, including tensile strength, yield strength, elongation, hardness, and impact resistance. These tests help determine the structural integrity and performance of the pipes. 3. Hydrostatic Testing: This method involves subjecting the steel pipes to high-pressure water to check their ability to withstand the expected operating conditions. Hydrostatic testing is performed by filling the pipes with water and pressurizing them to a predetermined level for a specified duration. Any leakage or deformation in the pipes is detected during this test. 4. Dimensional Inspection: This testing method ensures that the steel pipes meet the specified dimensional requirements. It involves measuring the diameter, wall thickness, length, and other critical dimensions of the pipes to verify compliance with the applicable standards or specifications. 5. Visual Inspection: Visual inspection is a basic method used to assess the external appearance of steel pipes. Trained inspectors visually examine the pipes for any surface defects, such as cracks, corrosion, or irregularities in shape or finish. 6. Chemical Analysis: Chemical analysis is performed to determine the composition and elemental content of the steel pipes. It helps ensure that the pipes are made from the correct grade of steel and meet the required chemical composition standards. 7. Metallographic Examination: Metallography involves examining the microstructure of steel pipes under a microscope to assess their quality and integrity. It helps identify any internal defects, such as grain boundaries, inclusions, or improper heat treatment, that may affect the overall performance of the pipes. By utilizing these testing methods, manufacturers and inspectors can ensure that steel pipes meet the necessary quality standards and are suitable for their intended applications.
- Q:Can steel pipes be used for hydroelectric power plants?
- Yes, steel pipes can be used for hydroelectric power plants. Steel pipes are commonly used to transport water in hydroelectric power plants for various purposes such as intake systems, penstocks, and discharge systems. They offer durability, strength, and resistance to corrosion, making them suitable for the challenging environments found in hydroelectric power generation.
- Q:How are steel pipes used in the manufacturing of hydraulic systems?
- Steel pipes are commonly used in the manufacturing of hydraulic systems due to their durability, strength, and resistance to high pressure. These pipes are used to transport hydraulic fluids, such as oil or water, throughout the system, ensuring the smooth operation of various components, such as pumps, valves, and cylinders. The steel pipes provide a reliable and leak-free connection between these components, allowing for efficient transfer of power and control in hydraulic systems.
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LSAW Steel Pipe API Double Submerged Arc Welded Steel Pipe for Construction Structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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