large diameter LSAW Steel Pipe with Low Carbon

large diameter LSAW Steel Pipe with Low Carbon

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 5000 m.t./month

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Product Name	ERW Pipe / Welded Pipe / Black Pipe/LSAW
Size	OD	406-1522.4mm(16-56in)
	Thinkness	8-50mm(apply to simple carbon steel,low carbon alloy steel);6.4-26.4mm(apply to X70 and above)
	Length	3-12.5m or as required
Steel Material	Gr.B,X42-X70 PSL1, X42-X80 PSL2, L245-L555NB,A516Gr, 55-70 CL11-32
Standard	APISpec5L, APISpec2B, ISO383, GB/T9711-2001,ASTMA671,ASTMA672,JIS DIN,
Usage	Natural gas, petroleum, chemical industry, electric power, metallurgy thermodynamic fields, water supply engineering, steam heating, hydroelectric power station and long pipeline transportation projects and so on.
Ends	Usually Plain ,But Can Be Beveled Or By Your Choice
Technique	LSAW
Surface	Bared Or Black Painted, Galvanized Or With Oiled Or as Client Required
Type	Welded
Section Shape	Round
Third Party Inspection	SGS,BV,CE
Inspection	100% ultrasonic flaw detection for the material plate;100% automatic on-line UT test after welding; 100% whole-length seam X-ray test; 100% inside weld line industrial TV test; 100% hydrostatic test; 100% automatic on-line seam UT test after hydrostatic test, expanding; 100% X-ray test and make X-ray film or picture record on pipe ends; 100% pipe appearance and plate appearance inspection.
Package	In square bundles with standard seaworthy export packing or as request
Date of Delivery	5-45days according to the QTY
Supply Ability	150000tons/year
Port of Shipment	Tianjin Port
Payment term	T/T, Irrevocable L/C at sight
Trade Term	FOB CFR CIF
Others	1) Contract Manufacturing: OEM Service Offered, Design Service Offered, Buyer Label Offered 2) Small quantity can be acceptable 3) Non-standard products can be ordered 4) A strong production capacity and a large inventory guarantee the quick delivery

Q: What is the production process of seamless steel tube?: Main production process of cold rolled (drawn) seamless steel tube:Blank preparation, pickling, lubrication, cold rolling (drawing), heat treatment, straightening, finishing and inspectionThe production process of seamless steel tube in general can be divided into two kinds of hot rolling and cold drawing, cold-rolled seamless steel pipe production process than hot-rolled billet to complex, first to three roller rolling and extrusion to sizing test, if the tube through the cutting machine cutting surface without crack growth response after cutting blank about one meter. Then enter the annealing process, annealing and pickling to use acid pickling liquid, should pay attention to the surface if there are a lot of bubbling, if there are a large number of bubbling pipe shows that the quality is not up to the standard. The appearance of cold rolling seamless steel tube shorter than hot-rolled seamless steel pipe, cold rolled seamless steel pipe wall thickness is generally higher than hot-rolled seamless steel pipe to be small, but the surface looks better than thick wall seamless steel pipe is more bright, rough surface is not too much, not too much burr diameter.

Q: Can steel pipes be used for transporting liquids?: Yes, steel pipes can be used for transporting liquids. Steel pipes offer excellent strength, durability, and resistance to corrosion, making them suitable for various applications, including the transportation of liquids such as water, oil, and gas.

Q: What is the elasticity of steel pipes?: Steel pipes exhibit elasticity, which allows them to undergo deformation when external forces are applied and regain their original shape once the force is no longer present. The high elasticity of steel pipes is well-known, as it enables them to endure different types of stress and strain without suffering permanent deformation. This characteristic is vital in situations where pipes experience pressure, bending, or other mechanical forces. The elasticity of steel pipes is determined by material properties like its Young's modulus, which quantifies its stiffness and capacity to resist deformation.

Q: How do you determine the pipe schedule for steel pipes?: The pipe schedule for steel pipes is determined based on several factors including the pressure rating, wall thickness, and outer diameter of the pipe. The pipe schedule is a standardized system used to classify the thickness of pipe walls, and it helps ensure compatibility and safety in various applications. To determine the pipe schedule for steel pipes, you need to consider the maximum pressure the pipe will be subjected to. This is usually expressed in pounds per square inch (psi) or bars. The pressure rating of a pipe indicates the maximum pressure it can withstand without failure or leakage. The higher the pressure rating, the thicker the pipe walls need to be. The wall thickness of the pipe is another important factor in determining the pipe schedule. It is typically expressed in inches or millimeters. The wall thickness is directly related to the pressure rating, as thicker walls can handle higher pressures. The American National Standards Institute (ANSI) provides a set of standard wall thicknesses for steel pipes known as the "pipe schedule." The outer diameter of the pipe is also considered when determining the pipe schedule. The outer diameter can vary depending on the specific application and requirements. It is important to choose a pipe with the appropriate outer diameter to ensure proper fit and compatibility with fittings, valves, and other components. In summary, the pipe schedule for steel pipes is determined by considering the maximum pressure, wall thickness, and outer diameter. By matching these factors with the appropriate pipe schedule, you can ensure that the steel pipe will be suitable for its intended use and capable of withstanding the required pressure.

Q: How are steel pipes used in the automotive industry?: Steel pipes are commonly used in the automotive industry for various applications such as exhaust systems, fuel lines, and structural components. They provide strength, durability, and resistance to corrosion, making them ideal for withstanding high temperatures and harsh conditions. Steel pipes are essential in ensuring efficient exhaust gas flow, delivering fuel to the engine, and providing structural support to enhance vehicle safety and performance.

Q: What are the dimensions of a standard steel pipe?: The dimensions of a standard steel pipe can vary, but commonly, they range from 1/8 inch to 72 inches in diameter and have a standard length of 21 feet.

Q: What is the difference between steel pipes and HDPE pipes?: Steel pipes are made from a durable alloy of iron and carbon, while HDPE pipes are made from high-density polyethylene, a strong and flexible plastic material. Steel pipes are generally heavier and more rigid, making them suitable for high-pressure applications and structural support. HDPE pipes, on the other hand, are lighter, more flexible, and resistant to corrosion, making them ideal for underground and aboveground installations in various industries including water supply, gas distribution, and sewage systems.

Q: How do steel pipes handle high-velocity flow?: Steel pipes are highly capable of handling high-velocity flow due to their inherent strength and durability. The robustness of steel allows it to withstand the pressure exerted by the high-velocity flow, minimizing the risk of deformation or failure. Additionally, steel pipes have smooth interiors, which reduces frictional losses and ensures efficient flow rates even at high velocities.

Q: What is the difference between seamless steel pipes and seamless alloy steel pipes?: The main difference between seamless steel pipes and seamless alloy steel pipes lies in their composition. Seamless steel pipes are made from carbon steel, while seamless alloy steel pipes are made from various alloying elements such as chromium, nickel, or molybdenum. These alloying elements enhance the properties of the steel, making it more resistant to corrosion, higher in strength, and suitable for specific applications in industries like oil and gas, chemical, or power generation.

Q: How are steel pipes used in the construction of power transmission lines?: Due to their exceptional strength, durability, and versatility, steel pipes are commonly utilized in the construction of power transmission lines. Throughout the project, these pipes serve various purposes that contribute to the overall efficiency and reliability of the power transmission system. One primary application of steel pipes in power transmission line construction involves the installation of transmission towers. These pipes function as structural components, providing support for the transmission lines and maintaining their alignment. The high strength of steel ensures that the towers can withstand the weight of the transmission lines, as well as external forces like wind and ice loads. Additionally, steel pipes offer excellent resistance against corrosion, which is vital for ensuring the longevity of the transmission tower structures. Apart from tower construction, steel pipes are also utilized in underground transmission lines. These pipes act as conduits for the cables, safeguarding them from external elements and potential damage. Steel pipes are particularly advantageous in this application due to their ability to resist soil movement, withstand high pressure, and provide a secure pathway for the power cables. Moreover, the durability of steel ensures the integrity and longevity of the underground transmission lines, reducing maintenance needs and enhancing the overall reliability of the power transmission system. Furthermore, steel pipes are employed in the construction of foundations and anchors for transmission towers. These pipes are driven deep into the ground to offer stability and support to the towers. The inherent strength and rigidity of steel pipes make them ideal for this purpose, as they can withstand heavy loads and ensure the stability of the transmission towers even in adverse weather conditions. In conclusion, steel pipes play a critical role in power transmission line construction by providing structural support, protecting cables, and ensuring the overall reliability and efficiency of the transmission system. The exceptional strength, durability, and resistance to corrosion make steel pipes the ideal choice for power transmission line construction projects.

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