LSAW SSAW CARBON STEEL PIPE ASTM API PSL1 PIPE LINE

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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: What are the different types of steel pipe connections?: There are several types of steel pipe connections, including threaded connections, welded connections, flanged connections, grooved connections, and compression connections.

Q: Can steel pipes be coated for additional protection?: Yes, steel pipes can be coated for additional protection. Coatings such as epoxy, polyethylene, or zinc can be applied to steel pipes to enhance their durability, corrosion resistance, and longevity.

Q: How do you determine the maximum allowable stress for steel pipes?: To determine the maximum allowable stress for steel pipes, several factors need to be considered. These factors include the material properties of the steel, such as yield strength and ultimate tensile strength, as well as the intended use and operating conditions of the pipes. Standards and codes such as ASME B31.3 or API 5L provide guidelines and formulas to calculate the maximum allowable stress based on these factors. Additionally, industry experts and engineers use various testing methods and simulations to ensure the safety and integrity of steel pipes under different loads and environments.

Q: How are steel pipes used in the manufacturing of chemical storage tanks?: Steel pipes are used in the manufacturing of chemical storage tanks for their durability, strength, and resistance to corrosion. These pipes are utilized for the construction of the tank's framework, as well as for the transport of chemicals within the tank. The steel pipes provide a reliable and secure infrastructure, ensuring the safety and integrity of the chemicals stored inside the tank.

Q: Can steel pipes be used for underground pressure pipelines?: Yes, steel pipes can be used for underground pressure pipelines. Steel pipes are known for their strength and durability, making them suitable for various applications, including underground pressure pipelines. They can withstand high pressure and are resistant to corrosion, making them a reliable choice for transporting fluids or gases underground. Additionally, steel pipes are available in different sizes and thicknesses, allowing for customization based on the specific requirements of the pipeline project. However, it is important to ensure proper coating or lining of the steel pipes to prevent corrosion caused by soil conditions or the transported substance. Regular maintenance and inspections are also necessary to ensure the integrity and longevity of the underground pressure pipelines made of steel pipes.

Q: What is the composition of steel pipes?: Steel pipes are primarily composed of iron and carbon, with trace amounts of other elements such as manganese, phosphorus, sulfur, and silicon.

Q: How are steel pipes coated to prevent external corrosion?: Steel pipes are coated to prevent external corrosion through a process called external coating. This typically involves applying a layer of protective material, such as epoxy or polyethylene, onto the surface of the steel pipe. The coating acts as a barrier, preventing moisture and other corrosive substances from coming into contact with the steel. This helps to prolong the life of the pipe and maintain its structural integrity.

Q: What are the limitations of using steel pipes?: Using steel pipes in various applications has several limitations. Firstly, the cost of steel pipes compared to materials like plastic or copper can be quite high. This can be a significant drawback for projects with limited budgets. Secondly, steel pipes are susceptible to corrosion. Exposure to moisture and certain chemicals over time can cause rust and deterioration. This can lead to leaks, reduced structural integrity, and the need for expensive repairs or replacement. Another limitation is the weight and rigidity of steel pipes. They are generally heavier and less flexible than other types of pipes, making installation and maneuvering more challenging in certain settings. Additionally, their rigid nature makes them less suitable for applications requiring movement or flexibility. Furthermore, steel pipes can experience thermal expansion and contraction. Extreme temperatures can cause them to expand or contract, potentially stressing joints, fittings, or other components. This can lead to leaks or even pipe failure if not properly addressed. Lastly, steel pipes are not as resistant to certain chemicals or substances as other materials. Some chemicals can corrode or erode the inner lining, compromising integrity and potentially causing contamination or leakage. While steel pipes have advantages, it is important to consider these limitations when selecting the most suitable material for a specific application.

Q: What are the different standards for steel pipe manufacturing?: There are several different standards for steel pipe manufacturing, including ASTM (American Society for Testing and Materials), ASME (American Society of Mechanical Engineers), API (American Petroleum Institute), and DIN (Deutsches Institut für Normung). These standards provide specifications for various aspects of steel pipe production, such as dimensions, chemical composition, mechanical properties, and testing procedures. Compliance with these standards ensures the quality and reliability of steel pipes for different applications and industries.

Q: What are the different types of steel pipes available in the market?: There are several different types of steel pipes available in the market, each designed for specific purposes and applications. Some of the most common types include: 1. Carbon Steel Pipes: These are the most widely used type of steel pipes, known for their strength and durability. They are primarily used for transporting fluids and gases in various industries such as oil and gas, construction, and plumbing. 2. Alloy Steel Pipes: These pipes are made by combining different metals, such as chromium, nickel, or molybdenum, with carbon steel. Alloy steel pipes offer enhanced strength, corrosion resistance, and heat resistance. They are often used in high-pressure applications, such as in power plants and chemical plants. 3. Stainless Steel Pipes: Stainless steel pipes are highly resistant to corrosion and oxidation, making them suitable for applications where hygiene and durability are crucial. They are commonly used in industries like food processing, pharmaceuticals, and water treatment. 4. Galvanized Steel Pipes: These pipes are coated with a layer of zinc to protect them from rust and corrosion. Galvanized steel pipes are commonly used in plumbing systems and outdoor structures, such as fences and handrails. 5. Seamless Steel Pipes: Seamless pipes are produced without any welding or joints, resulting in a smooth and continuous surface. They are known for their high strength and are often used in high-pressure applications. 6. Welded Steel Pipes: Welded pipes are made by rolling or bending a flat steel plate into a cylindrical shape and then welding the edges together. They are commonly used in industries such as construction, oil and gas, and automotive. 7. ERW (Electric Resistance Welded) Steel Pipes: ERW pipes are made by passing a high-frequency electrical current through the steel strip, causing it to heat and form a weld. They are widely used in various applications, including plumbing, water wells, and structural support. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: LSAW pipes are made by bending and welding steel plates into a cylindrical shape. They are commonly used for transporting large volumes of oil, gas, or water over long distances. These are just a few examples of the diverse range of steel pipes available in the market. The choice of the right type of steel pipe depends on factors such as the intended application, environmental conditions, and budget considerations. It is important to consult with experts or professionals to determine the most suitable type of steel pipe for a specific project or application.

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