LSAW SSAW CARBON STEEL PIPE ASTM API PSL1 PSL2 PIPE LINE 20''

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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 are steel pipes used in the manufacturing of marine applications?: Steel pipes are commonly used in the manufacturing of marine applications due to their durability and resistance to corrosion. They are used for various purposes such as constructing ship hulls, offshore platforms, and underwater pipelines. These pipes provide structural support and can withstand the harsh conditions of the marine environment, making them essential components in the manufacturing process of marine applications.

Q:How long is the seamless tube?: Generally finished seamless steel tubes are less than twelve meters, mainly for the convenience of shipment.In times of rolling (processing), the steel pipe can reach 80 meters or longer.

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

Q:What materials are used in scaffolding pipes?: Fastener warranty information should be complete, enter the site should be carried out after re sampling technology, performance shall be in accordance with provisions of the "GB15831" steel pipe scaffold fastener, before use should be individually selected, cracks, deformation, bolt slide wire is strictly prohibited.

Q:Can steel pipes be used for conveying hydraulic fluids?: Yes, steel pipes can be used for conveying hydraulic fluids. Steel pipes have high tensile strength and excellent resistance to high pressure, making them suitable for hydraulic applications. They can withstand the high operating pressures and temperature fluctuations that hydraulic systems often experience. Additionally, steel pipes are durable and have a long lifespan, ensuring reliable and efficient fluid transmission in hydraulic systems. However, it is important to ensure that the steel pipes used are compatible with the specific hydraulic fluid being conveyed to prevent corrosion or degradation of the pipe material.

Q:How are steel pipes used in the manufacturing of railways?: Steel pipes are commonly used in the manufacturing of railways for various purposes. They are used for the construction of railway tracks, providing a strong and durable foundation. Steel pipes are also used in the manufacturing of railway bridges and tunnels, ensuring structural integrity and support. Additionally, steel pipes are utilized for the transportation of fluids and gases within the railway system, such as fuel or water.

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 are steel pipes inspected for quality?: The quality of steel pipes undergoes a thorough examination process involving diverse techniques and standards. Trained professionals conduct visual inspections to scrutinize the pipes for visible defects such as cracks, dents, or surface irregularities. This examination guarantees that the pipes meet the required specifications and are devoid of any visible flaws. Furthermore, non-destructive testing (NDT) methods are utilized to assess the internal and external quality of the steel pipes. Among the commonly used NDT techniques, ultrasonic testing stands out. This method involves transmitting ultrasonic waves through the pipes to detect any internal defects or inconsistencies in the material. It effectively identifies issues such as variations in wall thickness, inclusions, or weld defects that could compromise the pipe's integrity. Another widely employed NDT technique is magnetic particle inspection. By utilizing magnetic fields and iron particles, this method identifies surface cracks or flaws in the steel pipes. It is particularly effective for detecting defects in ferromagnetic materials and can be performed on both the outer and inner surfaces of the pipes. Moreover, hydrostatic testing is frequently conducted to evaluate the strength and pressure resistance of the pipes. This process involves filling the pipes with water or a suitable fluid and subjecting them to a specified pressure to check for leaks or structural weaknesses. This test ensures that the pipes can withstand the intended operational conditions without failing. In addition to these techniques, various quality control measures are implemented throughout the manufacturing process. These measures include material traceability, dimensional checks, and chemical composition analysis. They play a crucial role in ensuring that the steel pipes meet the required standards and specifications, thereby guaranteeing their quality and reliability. In summary, the inspection of steel pipes for quality involves a comprehensive approach encompassing visual inspection, non-destructive testing methods, and quality control measures. These thorough procedures enable the identification of defects, inconsistencies, or weaknesses, ensuring that the pipes meet the necessary quality standards and are suitable for their intended purpose.

Q:Can steel pipes be used for solar power systems?: Indeed, solar power systems can utilize steel pipes. In the realm of solar power systems, steel pipes find widespread usage in diverse applications such as constructing support structures, mounting systems, and piping systems for circulating heat transfer fluids. The reason behind the preference for steel pipes lies in their robustness, longevity, and ability to withstand various environmental conditions. These pipes possess the capability to bear the weight of solar panels and support structures, as well as endure the impact of wind and other external elements. Moreover, steel pipes can be easily tailored and welded to cater to specific project requirements. All in all, when it comes to solar power systems, steel pipes emerge as a dependable and cost-efficient alternative.

Q:What are the different methods of pipe inspection for steel pipes?: Steel pipes can be inspected using various methods. Here are some commonly employed techniques: 1. Visual Inspection: Trained inspectors visually examine both the exterior and interior of the pipe to detect any visible defects or abnormalities. This preliminary method is often used before more advanced techniques are applied. 2. Magnetic Particle Inspection (MPI): By applying a magnetic field to the steel pipe and iron particles to its surface, inspectors can identify surface cracks or defects. Leakage of magnetic flux caused by these abnormalities can be detected with this method, which is particularly effective for ferromagnetic materials. 3. Ultrasonic Testing (UT): UT is a non-destructive testing method that utilizes high-frequency sound waves to identify internal defects or anomalies in steel pipes. A transducer sends ultrasonic waves into the pipe, and reflections or echoes of the sound waves are analyzed to determine the presence of defects, such as corrosion, cracks, or variations in wall thickness. 4. Radiographic Testing (RT): This method involves using X-rays or gamma rays to create an image of the internal structure of the steel pipe. The resulting image reveals any defects, such as cracks, corrosion, or weld discontinuities. RT is commonly used for inspecting welded joints. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing technique that utilizes electromagnetic induction to detect surface and near-surface defects in steel pipes. By passing a coil carrying an alternating current over the pipe's surface, any changes in electrical conductivity or magnetic field caused by defects are detected and analyzed. 6. Acoustic Emission Testing (AET): AET involves detecting and analyzing high-frequency acoustic signals emitted by materials undergoing deformation or damage. In the case of steel pipes, AET can monitor and identify defects like cracks, leaks, or corrosion by analyzing the acoustic signals emitted during service or under stress. These methods are just a few examples of commonly used techniques for inspecting steel pipes. The choice of method depends on factors such as the type of defect being sought, accessibility of the pipe, desired sensitivity level, and cost and time constraints. Using a combination of inspection techniques is often recommended to ensure a thorough assessment of steel pipes.

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