• LSAW SSAW CARBON STEEL PIPE ASTM API 12’‘ 14’‘ 16’‘ 18’‘ System 1
LSAW SSAW CARBON STEEL PIPE ASTM API 12’‘ 14’‘ 16’‘ 18’‘

LSAW SSAW CARBON STEEL PIPE ASTM API 12’‘ 14’‘ 16’‘ 18’‘

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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:How do you prevent freezing in steel pipes during cold weather?
To prevent freezing in steel pipes during cold weather, there are several measures that can be taken: 1. Insulate the pipes: Insulation is an effective way to protect steel pipes from freezing. Use insulation sleeves or wraps to cover the pipes, especially in areas where they are exposed to cold temperatures. Insulation helps retain heat and prevents the pipes from reaching freezing temperatures. 2. Seal any air leaks: Check for any gaps or openings around the pipes where cold air can enter. Use caulking or weatherstripping to seal these gaps and prevent cold air from reaching the pipes. 3. Maintain a consistent temperature: Ensure that the area where the pipes are located is adequately heated and insulated. Keeping the temperature above freezing will help prevent the pipes from freezing. If the pipes are exposed to extremely low temperatures, consider using heat tape or pipe heating cables to provide additional warmth. 4. Allow water to flow: Running a small, continuous trickle of water through the pipes can help prevent freezing. The flowing water generates heat and inhibits the formation of ice within the pipes. However, this method should only be used as a last resort, as it can waste water. 5. Drain the pipes: If the steel pipes are in an area that is not regularly used or if freezing weather is expected, it may be advisable to drain the pipes completely. Turn off the water supply and open all faucets to allow the water to drain out. This eliminates any standing water that could freeze and cause the pipes to burst. It is important to note that prevention is key, as frozen steel pipes can lead to costly damages and water leaks. By implementing these measures, you can protect your steel pipes and ensure they remain functional during cold weather.
Q:How are steel pipes coated to prevent external corrosion?
Steel pipes are commonly coated to prevent external corrosion through various methods such as applying a layer of protective paint, using epoxy or polyethylene coatings, or galvanizing the pipes by applying a zinc layer. These coatings act as barriers against moisture and other corrosive elements, ensuring the longevity and durability of the steel pipes.
Q:How are steel pipes classified based on their thickness?
Steel pipes can be classified based on their thickness into three main categories: Schedule, Nominal Pipe Size (NPS), and Wall Thickness. The Schedule classification is commonly used in North America and refers to the wall thickness of the pipe. It is denoted by numbers such as Schedule 10, Schedule 40, and Schedule 80, where the higher the number, the thicker the pipe. The Nominal Pipe Size (NPS) classification, on the other hand, is used internationally and refers to the inside diameter of the pipe. It is expressed in inches and is usually followed by a schedule number to indicate the wall thickness. For instance, NPS 6 Schedule 40 means a pipe with a 6-inch inside diameter and a wall thickness according to Schedule 40. Lastly, steel pipes can also be classified based on their wall thickness in millimeters or inches. This classification provides a more precise measurement of the pipe's thickness, usually referred to as the "wall thickness" or "wt" in specifications. The wall thickness is measured from the outside diameter to the inside diameter and can be expressed in various units of measurement, such as millimeters, inches, or gauge. In conclusion, steel pipes are classified based on their thickness using different systems such as Schedule, Nominal Pipe Size (NPS), and Wall Thickness. These classifications help ensure that the appropriate pipe is selected for specific applications, considering factors such as pressure requirements, structural integrity, and compatibility with other components of the system.
Q:Can steel pipes be used for underground culverts?
Indeed, underground culverts can utilize steel pipes. Renowned for their robustness, longevity, and ability to withstand diverse environmental influences, steel pipes are ideal for subterranean applications. They exhibit exceptional resilience to substantial burdens, intense hydrostatic pressure, and the erosive impact of soil and water. Moreover, steel pipes offer a range of dimensions and thicknesses, enabling customization to meet precise project prerequisites. Nevertheless, prudent consideration must be given to variables such as soil attributes, water table elevations, and the likelihood of corrosion during the selection of the most fitting steel variant and protective coatings for the pipes.
Q:What is the maximum diameter of steel pipes?
The maximum diameter of steel pipes can vary depending on various factors such as manufacturing capabilities, industry standards, and specific project requirements. However, steel pipes can typically range from a few millimeters in diameter for small-scale applications to several meters in diameter for large-scale industrial projects.
Q:How do you protect steel pipes from rusting?
To protect steel pipes from rusting, several methods can be employed. One common approach is to apply a protective coating to the pipes. This can be done by using paint or other types of protective coatings designed specifically for metal surfaces. The coating acts as a barrier between the steel and the elements, preventing moisture and oxygen from coming into contact with the metal and causing rust. Another method is to galvanize the steel pipes. Galvanizing involves coating the pipes with a layer of zinc, which creates a protective barrier that prevents rust from forming. This process is commonly used for outdoor applications or in environments where the pipes are exposed to moisture. Regular maintenance is also crucial in protecting steel pipes from rusting. This includes inspecting the pipes for any signs of corrosion or damage and promptly addressing any issues that are found. Additionally, keeping the pipes clean and dry can help prevent rust formation. In some cases, installing sacrificial anodes can provide additional protection against rust. Sacrificial anodes are made of a more reactive metal, such as zinc or magnesium, and are attached to the steel pipes. These anodes corrode instead of the steel, sacrificing themselves to protect the pipes from rust. Lastly, proper storage and handling of steel pipes is essential. This means storing them in a dry, well-ventilated area, away from moisture and humidity. It is also important to handle the pipes with care to avoid any scratches or damage to the protective coatings. By employing these methods and practices, steel pipes can be effectively protected from rusting, ensuring their longevity and durability.
Q:What are the advantages of using steel pipes in industrial plants?
Using steel pipes in industrial plants offers numerous advantages. Firstly, their exceptional strength and durability make them ideal for transporting materials and fluids under high temperatures, pressures, and heavy loads. Secondly, steel pipes have excellent resistance to corrosion, which is crucial in industrial settings where they encounter corrosive substances or harsh environmental conditions. This resistance ensures their longevity, prevents leaks, and eliminates potential hazards. Additionally, steel pipes are highly versatile. They can be easily fabricated and customized to meet specific requirements, including different sizes and shapes. This flexibility simplifies installation and maintenance, reducing downtime and improving overall efficiency. Moreover, steel pipes have a smooth interior surface, allowing for efficient material flow with minimal resistance and pressure drop. Their smoothness also prevents the accumulation of deposits and contaminants, ensuring a clean and hygienic environment. Furthermore, steel pipes exhibit high resistance to fire, providing an added layer of safety in industrial plants where fires can have disastrous consequences. Lastly, while the initial installation cost of steel pipes may be higher compared to other materials like plastic or copper, their durability and low maintenance requirements result in significant long-term cost savings. With a long lifespan and resistance to corrosion and damage, the need for frequent replacements or repairs is minimized. In conclusion, the use of steel pipes in industrial plants offers various advantages, including strength, durability, corrosion resistance, versatility, efficient flow, fire resistance, and cost-effectiveness. These qualities make steel pipes a reliable and efficient choice for diverse applications within industrial facilities.
Q:How are steel pipes used in the construction of underground parking garages?
Steel pipes are commonly used in the construction of underground parking garages for various purposes. They serve as structural supports, providing stability and strength to the overall structure. Steel pipes are also used for drainage systems, allowing for efficient disposal of water and preventing flooding. Additionally, they are utilized for the installation of utilities such as water, gas, and electrical lines, ensuring easy access and maintenance. Overall, steel pipes play a crucial role in the construction of underground parking garages by offering durability, functionality, and reliability.
Q:How are steel pipes used in water transportation?
Steel pipes are commonly used in water transportation due to their durability and strength. They can be used for various purposes, such as carrying water from a source to a treatment plant, distributing water to different areas, and even for sewage systems. Steel pipes are highly resistant to corrosion and can withstand high pressure, making them ideal for long-distance water transportation.
Q:What are the different types of supports used for steel pipes in buildings?
Steel pipes in buildings commonly utilize various types of supports. These supports serve different purposes and are typically made of metal or plastic materials. Firstly, pipe hangers are designed to bear the weight of the pipe. They are securely attached to the building structure and prevent the pipe from sagging or shifting. Pipe clamps, on the other hand, are employed to fasten the pipe to a wall or other structural element. These clamps consist of a metal band that encircles the pipe and is then fixed to the structure using bolts or screws. Their main function is to provide stability and prevent any movement or vibration of the pipe. For distributing the weight evenly and offering additional support, pipe shoes are installed beneath the pipe. These support devices are typically made of metal or rubber and can be attached to the building structure or embedded in concrete foundations. To guide the movement of the pipe and prevent excessive bending or shifting, pipe guides are utilized. These guides, usually composed of metal or plastic, are installed at regular intervals along the length of the pipe. Lastly, pipe rollers are employed to support horizontal pipes and permit expansion and contraction due to temperature changes. Made of metal, these rollers allow the pipe to move freely without causing any harm to the building structure. It is crucial to select the appropriate type of support based on the specific requirements of the steel pipe and the building structure. By properly supporting steel pipes in buildings, their stability, durability, and overall safety are ensured.

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