LSAW SSAW CARBON STEEL PIPE ASTM API 24'' 26'' 28'' 32'' 36''

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 3000 m.t./month

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Packaging & Delivery

Packaging Detail:	Normal exporting packing,in container or bulk vessel or as per clients' request
Delivery Detail:	2 months after confimed contract

Specifications

Large Diameter API 5L X70 PSL2 LSAW Steel Pipe
Grade: X42, X46, X50, X52, X60, B, C
OD: 1.5"-28"
WT: SCH10-SCH160

Large Diameter API 5L X70 PSL2 LSAW Steel Pipe

Specifications:

u Standard: API 5L

u Grade: B, C, X42, X46, X50, X52, X56, X60, X65, X70, X80

u OD: 1.5"-28"

u WT: SCH10-SCH160

u Length: 5-12m

u Ends Finish: plain end, bevel end, grooved end

u Surface Treatment: bare, black varnished, oiled finish, red color, anti-corrosion, 3PE, FBE or epoxy coating

u Technique: hot rolled or cold drawn

u Application: api 5l steel pipe for conveying oil, water, gas

u Invoicing: based on theoretical weight or actual weight

u Payment Terms: L/C at sight, T/T or Western Union

u Trade Terms: FOB, CFR, CIF

u Certification: ABS manufacturing assessment, ABS design assessment, API 5CT, API 5L, DNV manufacturer certificate, ISO9001 quality management system certificate, ISO14001 environment management system certificate, GB/T28001 occupational health and safety management system certificate, A1 class manufacturing license of special equipment certificate, CCS, GL, LR, SGS, TüV, PDE

Q: Can steel pipes be used for HVAC systems?: Yes, steel pipes can be used for HVAC systems. Steel pipes are commonly used for HVAC systems due to their strength, durability, and resistance to extreme temperatures. They are suitable for transporting air, water, and refrigerants, making them a reliable choice for HVAC installations.

Q: How do you calculate the pipe thermal expansion for steel pipes?: To calculate the thermal expansion of steel pipes, you can use the formula: ΔL = α * L * ΔT, where ΔL represents the change in length, α is the coefficient of thermal expansion for steel, L is the original length of the pipe, and ΔT is the change in temperature.

Q: How are steel pipes used in the construction of offshore platforms?: Steel pipes are used in the construction of offshore platforms primarily for their strength and durability. These pipes serve various purposes such as transporting fluids, providing structural support, and enabling the installation of essential equipment. They are commonly used for the fabrication of underwater pipelines, risers, and conductor casings, ensuring efficient and reliable operations in harsh marine environments.

Q: What are the factors to consider when designing a steel pipe system?: When designing a steel pipe system, several factors need to be considered to ensure its functionality, durability, and efficiency. These factors include: 1. Pressure and temperature requirements: Determining the maximum pressure and temperature that the steel pipe system will be exposed to is crucial. This information is essential for selecting the appropriate pipe material, thickness, and jointing method to withstand the system's operating conditions. 2. Pipe material: Choosing the right material for the steel pipe system is important. Factors such as corrosion resistance, strength, and cost should be considered. Common materials for steel pipes include carbon steel, stainless steel, and alloy steel. 3. Pipe size and thickness: Calculating the adequate pipe size and wall thickness is essential to ensure the required flow rate and pressure drop within the system. The pipe size affects the system's efficiency and must be chosen based on the anticipated flow rates and pressure losses. 4. Support and anchoring: Proper support and anchoring are critical to prevent sagging, movement, and stress on the steel pipe system. The design should consider the weight of the pipes, the fluid being transported, and any external forces that may act on the system. 5. Expansion and contraction: Steel pipes expand and contract with temperature variations, causing stress on the system. Expansion joints or loops should be incorporated to allow for thermal growth and contraction, preventing damage and distortion. 6. Fluid compatibility: Understanding the properties of the fluid being transported, such as corrosiveness, viscosity, and potential for sedimentation or scaling, is important in selecting the appropriate pipe material and protective coatings or linings. 7. Accessibility and maintenance: Consideration should be given to the accessibility of the system for installation, inspection, and maintenance purposes. Proper access points, valves, and fittings should be included in the design to allow for easy maintenance and repairs. 8. Environmental factors: The steel pipe system may be exposed to various environmental conditions, such as extreme temperatures, humidity, or corrosive substances. These factors should be considered when selecting the pipe material, protective coatings, and insulation. 9. Regulatory compliance: Compliance with applicable industry standards, codes, and regulations is essential. The design should adhere to safety guidelines and applicable building codes to ensure the pipe system's integrity and longevity. 10. Cost consideration: Finally, the overall cost of the steel pipe system, including material, installation, maintenance, and energy consumption, should be taken into account. Balancing cost-effectiveness with performance requirements is crucial in achieving an efficient and economical design. By considering these factors, engineers and designers can create a steel pipe system that is suitable for its intended purpose, ensuring its longevity, reliability, and safety.

Q: How are steel pipes used in hydroelectric power plants?: Steel pipes are used in hydroelectric power plants to facilitate the transportation of water from the reservoir to the turbines. These pipes are essential for maintaining a steady flow of water, which is crucial for generating electricity through the rotation of turbines. Additionally, steel pipes are employed in the construction of penstocks, which are large pipes directing water towards the turbines, ensuring efficient energy production in hydroelectric power plants.

Q: Can steel pipes be used for transportation of hazardous materials?: Steel pipes can indeed be used for the transportation of hazardous materials. Steel is known for its strength, durability, and resistance to corrosion, making it suitable for handling and transporting a wide range of hazardous substances. This includes flammable liquids, toxic chemicals, and other dangerous materials. Steel pipes used for the transportation of hazardous materials are often specially designed and constructed to meet stringent safety regulations and industry standards. They are typically made from high-quality steel alloys and undergo rigorous testing to ensure their integrity and resistance to leaks or ruptures. Furthermore, steel pipes can be manufactured with additional protective coatings or linings to provide an extra layer of security and prevent any potential reactions between the hazardous material and the steel. These coatings can also help to minimize the risk of corrosion and extend the lifespan of the pipes. Overall, steel pipes have a proven track record in the transportation of hazardous materials due to their inherent strength, durability, and ability to withstand the harsh conditions often encountered during transportation. However, it is crucial to follow proper handling, storage, and transportation protocols to ensure the safety of both the materials being transported and the individuals involved in the process.

Q: What is the meaning of "DN" and "Phi" in the dimensioning of steel pipe diameter and how to apply the mark?: DN is a kind of Engineering path, not the actual value, due to the different standards, so the actual corresponding values is not the same; phi is refers to the actual value, the same national standard pipe inside the steel pipe, the actual value is the same, for example, GB/T8163 and GB GB fluid pipe spiral pipe and GBT/T9711.1 GB/T12459 the same nominal diameter corresponding to the actual value is the same as the actual value; and American Standard steel standard ANSI B 16.38 and ANSI B 16.9 standard American Standard fitting the same nominal correspondence is the same. If marked, the nominal diameter should be added DN, and the actual value can be omitted.

Q: How are steel pipes used in the manufacturing of renewable energy systems?: Steel pipes are extensively used in the manufacturing of renewable energy systems for various purposes. They are commonly used as structural components, providing strength and stability to wind turbines, solar panel supports, and hydroelectric power systems. Steel pipes are also utilized for transporting fluids such as water, steam, or gases in energy generation processes. Furthermore, they are essential in the construction of geothermal energy systems, where they are employed to create underground heat exchangers and piping networks. Overall, steel pipes play a crucial role in the efficient and reliable functioning of renewable energy systems.

Q: How are steel pipes protected against external mechanical damage?: Various methods are employed to safeguard steel pipes against external mechanical damage. One notable approach involves the utilization of protective coatings, which act as a physical barrier between the steel surface and external forces like impact or abrasion. Coatings can be applied using techniques such as painting, epoxy coating, or wrapping the pipe with materials such as polyethylene or polypropylene. Another means of protection is the application of external casing or encasement. This involves installing casing pipes around the steel pipes to provide an additional layer of defense. These casing pipes are typically composed of resilient materials such as concrete, PVC, or ductile iron, which are resistant to external mechanical damage. Moreover, steel pipes can be safeguarded through the implementation of supports and restraints. Properly designed supports and restraints aid in evenly distributing external forces and preventing excessive stress or deformation on the pipe. This can be achieved by employing hangers, clamps, or brackets to secure the pipe in place and minimize the risk of mechanical damage. Furthermore, protective measures can be employed to prevent accidental impacts or collisions that may harm the steel pipes. This can involve the installation of protective barriers, fencing, or warning signs to alert individuals to the presence of pipelines and prevent inadvertent damage. In conclusion, a combination of protective coatings, casing, supports, and preventive measures are utilized to ensure the protection of steel pipes against external mechanical damage. These measures are crucial in maintaining the structural integrity of the pipes and ensuring their long-term performance and reliability.

Q: Are galvanized steel tubes the same as degaussing steel tubes?: And the method of magnetic field created by means of electromagnets or permanent magnets. For analysis of residual magnetism, see table (1), select the demagnetizing method and system in combination with the conditions of the construction site (for example, given equipment, etc.). Table 1 magnetic remanence grade and welding conditions

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