LSAW SSAW CARBON STEEL PIPE ASTM API 16/18/20/26/28

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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 underground cable protection?: Yes, steel pipes can be used for underground cable protection. Steel pipes provide excellent durability, strength, and resistance to external factors such as impact, corrosion, and fire. They can effectively shield and protect underground cables, ensuring their safety and longevity.

Q:What is the difference between cast iron and steel pipes?: Cast iron pipes and steel pipes are commonly used in plumbing and construction, but they have distinct differences. Let's explore these disparities. 1. Composition: Cast iron pipes consist mainly of an iron alloy, with small amounts of carbon and other elements. Conversely, steel pipes are primarily composed of iron, but they also contain varying amounts of carbon and other alloying elements like manganese, chromium, and nickel. 2. Strength: Steel pipes generally surpass cast iron pipes in strength due to their higher carbon content and alloying elements. This makes steel pipes more suitable for high-pressure applications or areas with heavy loads. 3. Flexibility: Compared to cast iron pipes, steel pipes offer more flexibility, making installation and adjustment easier. Cast iron pipes, being brittle, are less flexible and more prone to cracking or breaking under excessive stress or impact. 4. Corrosion resistance: Steel pipes are usually more prone to corrosion than cast iron pipes. However, this can be mitigated with various protective coatings or treatments applied to the steel pipes. Cast iron pipes, on the other hand, possess inherent corrosion resistance due to the formation of a protective layer of rust on their surface. 5. Noise insulation: Cast iron pipes excel in noise insulation due to their dense and heavy composition. This makes them ideal for reducing noise in residential plumbing systems. Steel pipes, being lighter and less dense, do not offer the same level of noise insulation. 6. Longevity: When properly maintained, cast iron pipes have a lifespan of over 100 years. Steel pipes, while still durable, may have a shorter lifespan depending on factors like the quality of the steel used, environmental conditions, and maintenance practices. In conclusion, the primary differences between cast iron and steel pipes lie in their composition, strength, flexibility, corrosion resistance, noise insulation, and longevity. The choice between the two depends on specific requirements, such as desired strength, durability, and noise reduction properties.

Q:How are steel pipes used in the manufacturing of boilers and heat exchangers?: Boilers and heat exchangers rely on steel pipes as an essential component due to their exceptional properties and capabilities. These pipes are specifically designed to endure high temperatures, pressures, and corrosive environments, making them highly suitable for these purposes. When constructing boilers, steel pipes are employed to form the main body or shell. This shell contains the water or steam that is heated to generate heat or produce steam for diverse industrial processes. The steel pipes used in boilers are typically seamless or welded, possessing precise dimensions and exceptional strength to ensure structural integrity and prevent any potential leaks. Heat exchangers, on the other hand, are devices used for transferring heat between two fluids, often with varying temperatures. Steel pipes are utilized in heat exchangers as the primary medium for heat transfer. The pipes are commonly arranged in a pattern, allowing the hot fluid to pass through one set of pipes while the cold fluid passes through another set. This arrangement facilitates efficient heat transfer between the two fluids. The use of steel pipes in boilers and heat exchangers provides numerous advantages. Firstly, steel pipes exhibit excellent thermal conductivity, enabling efficient heat transfer between the fluid and the surrounding environment. Secondly, steel pipes possess high tensile strength and can withstand high pressures, ensuring the safety and reliability of the equipment. Thirdly, steel pipes are highly resistant to corrosion, which is crucial in environments where the processed fluids are corrosive or contain impurities. Furthermore, steel pipes can be easily fabricated and customized to meet the specific requirements of boilers and heat exchangers. They can be manufactured in various sizes, lengths, and thicknesses to accommodate diverse applications. Additionally, steel pipes can be coated or lined with materials such as ceramic or epoxy to provide additional protection against corrosion or abrasion. In conclusion, steel pipes play a crucial role in the manufacturing of boilers and heat exchangers. Their exceptional properties, including high strength, thermal conductivity, and corrosion resistance, make them the optimal choice for these applications. The use of steel pipes ensures the efficient operation, safety, and longevity of boilers and heat exchangers in various industrial processes.

Q:Can steel pipes be used for underground gas storage?: Certainly! Underground gas storage can indeed utilize steel pipes. Steel pipes are frequently employed in the transportation and storage of diverse gas varieties, such as natural gas, owing to their robustness, longevity, and ability to resist corrosion. These pipes can endure substantial pressures and can be tailored to meet the specific prerequisites of subterranean gas storage installations. Furthermore, materials can be applied to the surfaces of steel pipes, either as a coating or lining, to bolster their resistance to corrosion and avert any possible leaks. Nevertheless, it is crucial to ensure that the correct safety protocols and regulations are adhered to during the construction and operation of underground gas storage facilities to prevent any potential perils or hazards.

Q:How are steel pipes used in the water treatment industry?: Steel pipes are widely used in the water treatment industry for various applications. They are commonly used as conduits to transport water from different sources to treatment plants and distribution systems. Steel pipes are also employed in the construction of water treatment facilities, including filtration units, pumping stations, and storage tanks. Additionally, steel pipes are utilized in the distribution network to deliver treated water to consumers. The durability and strength of steel make it an ideal choice for handling the high pressure and corrosive conditions often present in water treatment processes.

Q:What are the factors to consider when selecting a steel pipe for a specific application?: When selecting a steel pipe for a specific application, several factors need to be considered. These include the type of fluid or gas being transported, the pressure and temperature conditions, the size and dimensions required, the desired corrosion resistance, and the overall budget for the project. It is also crucial to assess the pipe's material properties, such as its strength, ductility, and toughness, to ensure it can withstand the operational demands of the application. Additionally, factors like the pipe's manufacturing process, compatibility with joining methods, and any specific industry standards or regulations should be taken into account.

Q:How are steel pipes protected against soil movement or settlement?: Steel pipes can be protected against soil movement or settlement through various methods. One common method is to use protective coatings on the pipes. These coatings act as a barrier between the steel and the soil, preventing direct contact and reducing the risk of corrosion. Some commonly used coatings include epoxy, polyethylene, and zinc. Another method is to use cathodic protection. This involves the installation of sacrificial anodes along the pipeline. These anodes corrode instead of the steel pipes, protecting them from damage caused by soil movement or settlement. Furthermore, proper design and installation techniques can also help protect steel pipes against soil movement or settlement. For instance, engineers may consider factors such as soil composition, slope stability, and potential for ground movement when designing the pipeline route. Additionally, proper trenching and bedding techniques can help ensure that the pipe is adequately supported and protected against settlement. Regular inspection and maintenance are also crucial for protecting steel pipes against soil movement or settlement. Monitoring the condition of the pipeline, including the protective coatings and cathodic protection systems, can help identify any potential issues and allow for timely repairs or replacements. Overall, a combination of protective coatings, cathodic protection, proper design and installation techniques, and regular maintenance can effectively protect steel pipes against soil movement or settlement.

Q:Can steel pipes be used for conveying slurries or abrasive materials?: Yes, steel pipes can be used for conveying slurries or abrasive materials. Steel pipes are known for their durability and resistance to wear and tear, making them suitable for handling abrasive substances. Additionally, their smooth interior surface reduces friction, preventing clogging and ensuring efficient flow of slurries or abrasive materials.

Q:What quota is reserved for buried DN20 steel pipe?: It is an embedded sleeve control sub item, if the reserved hole, then there is no need to cover, special subject structure adjustment factor of the cost of the water supply and drainage engineering, water supply and drainage engineering he is buried under the charge.

Q:What are the limitations of using steel pipes?: There are several limitations to using steel pipes in various applications. Firstly, steel pipes can be quite expensive compared to other materials such as plastic or copper. This cost factor can be a significant limitation for projects with tight budgets. Secondly, steel pipes are susceptible to corrosion. Over time, exposure to moisture and certain chemicals can cause steel pipes to rust and deteriorate. This can lead to leaks, reduced structural integrity, and ultimately, the need for costly repairs or replacement. Another limitation of steel pipes is their weight and rigidity. Steel pipes are generally heavier and less flexible than other types of pipes, making them more challenging to install and maneuver in certain settings. Additionally, their rigid nature makes them less suitable for applications that require significant movement or flexibility. Furthermore, steel pipes can be prone to thermal expansion and contraction. When exposed to extreme temperatures, steel pipes can expand or contract, potentially causing stress on joints, fittings, or other components. This can lead to leaks or even pipe failure if not properly accounted for. Lastly, steel pipes are not as resistant to certain chemicals or substances as other materials. Some chemicals can corrode or erode the inner lining of steel pipes, compromising their integrity and potentially causing contamination or leakage. While steel pipes have many advantages, it is important to consider these limitations when deciding on the most suitable material for a specific application.

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