CNBM LSAW STEEL PIPE 6''-48''

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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
Brand:TPCO

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 inspect steel pipes for defects?: Inspecting steel pipes for defects involves a systematic approach that combines visual inspection, non-destructive testing (NDT) techniques, and specialized equipment. Here are the steps typically followed to inspect steel pipes for defects: 1. Visual Inspection: Start by visually examining the external surface of the pipe, looking for any visible signs of defects such as cracks, dents, or corrosion. Pay close attention to welds, joints, and areas susceptible to stress or damage. 2. Ultrasonic Testing (UT): Ultrasonic testing is commonly used to detect internal defects in steel pipes. It involves using ultrasonic waves that are sent into the pipe and then interpreted based on the echoes received. Any irregularities in the internal structure, like cracks or voids, can be identified and analyzed. 3. Magnetic Particle Inspection (MPI): MPI is a widely used technique to detect surface and near-surface defects such as cracks, seams, or other discontinuities. This method involves applying a magnetic field to the pipe and then applying ferromagnetic particles (usually iron-based) on the surface. These particles will accumulate and form visible indications at the areas of magnetic flux leakage caused by defects. 4. Eddy Current Testing (ECT): Eddy current testing is suitable for detecting surface and near-surface defects in conductive materials like steel. It involves inducing an alternating current into the pipe and monitoring the changes in the electrical currents induced by any defects present. These changes are then analyzed to identify and evaluate the defects. 5. Radiographic Testing (RT): Radiographic testing is performed by exposing the steel pipe to X-rays or gamma rays and capturing the resulting radiographic images. This technique allows for the detection of internal defects such as cracks, porosity, inclusions, or wall thickness variations. The radiographic images are then examined for any indications of defects. 6. Dye Penetrant Inspection (DPI): DPI is a method used to detect surface-breaking defects in steel pipes. It involves applying a liquid dye on the surface, which penetrates into any surface cracks or flaws. After allowing the dye to seep in and adequately react, excess dye is removed, and a developer is applied to draw out the dye from the defects, making them visible. 7. Pressure Testing: Pressure testing involves pressurizing the steel pipe to a predetermined level and monitoring for any pressure drops or leaks. This test ensures that the pipe can withstand the required pressure without any structural defects. It is important to note that the inspection technique used depends on various factors, such as the type of defect being sought, the size and nature of the pipe, and the specific industry standards and regulations. Inspection professionals with expertise in NDT methods and equipment are typically employed to ensure accurate and reliable results.

Q: ASME seamless tube how to express, what is the form, I did not find on the ASME, thank God!: Seamless steel pipe, welded steel pipe, then its means of expression is: nominal diameter refers to the outer diameter (diameter * wall thickness), the unit is mm. [for example, seamless steel tubes of phi 32 * 3. It means that the nominal diameter (outside diameter) is seamless steel pipe of phi 32mm and wall thickness 3mm.

Q: What are the different end finishes for steel pipes?: There are several different end finishes for steel pipes, depending on their intended use and the specific requirements of the application. Some of the most common end finishes for steel pipes include: 1. Plain End: This is the simplest and most common type of end finish, where the pipe is cut square at both ends without any additional treatment or threading. Plain end pipes are typically used for low-pressure applications or when the pipe will be connected using welding methods. 2. Beveled End: A beveled end finish involves cutting the pipe at an angle, usually 30 or 37.5 degrees, to facilitate easier welding and create a stronger joint. Beveled end pipes are commonly used for butt-welding applications, where two pipes are joined together by aligning the beveled ends and welding them. 3. Threaded End: In this end finish, the pipe is threaded at both ends to allow for easy connection with threaded fittings or couplings. Threaded end pipes are commonly used in plumbing and gas distribution systems, as well as for applications that require frequent disassembly and reassembly. 4. Coupled End: Coupled end finishes involve the installation of couplings or connectors at each end of the pipe. This allows for quick and easy connection of pipes without the need for additional threading or welding. Coupled end pipes are often used in oil and gas pipelines or in applications where rapid installation is required. 5. Grooved End: A grooved end finish involves cutting grooves into the pipe's ends and using mechanical couplings or fittings to join the pipes together. This type of end finish is commonly used in fire protection systems, as well as for large-diameter pipes that require quick and efficient assembly. 6. Flanged End: Flanged end finishes involve attaching flanges to the pipe ends, which can be bolted together to create a secure and leak-proof connection. Flanged end pipes are commonly used in applications that require easy disassembly and reassembly, such as in chemical plants or refineries. It is important to note that the choice of end finish for a steel pipe depends on factors such as the application, the required joint strength, the type of connection method, and the compatibility with other system components. Consulting with a professional or referring to industry standards is recommended to ensure the correct end finish is selected for a specific application.

Q: Are steel pipes affected by magnetic fields?: Yes, steel pipes can be affected by magnetic fields. Steel is a ferromagnetic material, which means it can be magnetized and influenced by magnetic fields.

Q: Can steel pipes be used for transportation of hazardous materials?: Yes, steel pipes can be used for the transportation of hazardous materials. Steel pipes are commonly used for transporting various types of hazardous materials such as chemicals, gases, and liquids. They are known for their strength, durability, and resistance to corrosion, making them suitable for safely transporting these materials over long distances. Additionally, steel pipes can be designed to meet specific safety standards and regulations to ensure the secure transportation of hazardous substances.

Q: Are steel pipes suitable for underground sewage lines?: Yes, steel pipes are suitable for underground sewage lines. They are strong, durable, and resistant to corrosion, making them an excellent choice for sewage systems.

Q: What are the different factors affecting the flow rate of steel pipes?: There are several factors that can affect the flow rate of steel pipes, including the diameter and length of the pipe, the viscosity and temperature of the fluid being transported, the pressure difference across the pipe, and any obstructions or irregularities in the pipe's interior surface. Additionally, the type of fluid being transported and its flow characteristics, such as laminar or turbulent flow, can also impact the flow rate of steel pipes.

Q: Can steel pipes be used for stormwater management systems?: Yes, steel pipes can be used for stormwater management systems. Steel pipes are a commonly used material for stormwater management due to their durability, strength, and resistance to corrosion. They can effectively carry and transport stormwater, making them suitable for various applications in stormwater management systems.

Q: Can steel pipes be painted or coated?: Yes, steel pipes can be painted or coated. Painting or coating steel pipes is a common practice to protect them from corrosion, improve their appearance, or to meet specific industry requirements. The process involves cleaning the pipes to remove dirt, grease, and rust, followed by applying a primer and then the desired paint or coating. The choice of paint or coating depends on the intended use of the pipes. For example, epoxy coatings are often used for water or wastewater pipelines, while high-temperature resistant coatings are applied to pipes used in industrial settings. Overall, painting or coating steel pipes can enhance their durability and performance.

Q: What are the safety precautions to follow when working with steel pipes?: When working with steel pipes, it is important to follow several safety precautions to ensure the well-being of yourself and those around you. These precautions include: 1. Personal Protective Equipment (PPE): Always wear the appropriate PPE when working with steel pipes. This includes safety glasses, gloves, steel-toed boots, and a hard hat. PPE helps protect you from potential hazards such as flying debris, falling objects, and sharp edges. 2. Proper Lifting Techniques: Steel pipes can be heavy and awkward to handle. Always use proper lifting techniques to avoid strain or injury. Bend your knees, keep your back straight, and use your legs to lift the pipes. If a pipe is too heavy to lift on your own, ask for assistance or use mechanical lifting equipment. 3. Secure Working Area: Ensure that the work area is clean, organized, and free from tripping hazards. Keep the floor clear of tools, debris, and other obstructions that may cause accidents. Additionally, barricade or cordon off the work area to prevent unauthorized access and ensure the safety of others. 4. Use Proper Tools and Equipment: Use the right tools and equipment for the job. This includes using wrenches, pipe cutters, and clamps designed specifically for steel pipes. Using improper tools can lead to accidents, damage to the pipes, or faulty connections. 5. Proper Storage: Store steel pipes in a secure and organized manner to prevent them from falling or rolling onto someone. Stack the pipes in a stable position, and use racks or supports to ensure they are not at risk of toppling over. 6. Secure Connections: When joining steel pipes, ensure that the connections are properly secured. This includes using appropriate fittings, tight fasteners, and following the recommended torque specifications. Loose or improperly secured connections can result in leaks, bursts, or other failures. 7. Proper Ventilation: If working in an enclosed space, ensure adequate ventilation to prevent the buildup of harmful gases or fumes. Welding or cutting steel pipes can release hazardous gases, so make sure the area is properly ventilated or use respiratory protection if necessary. 8. Fire Safety: Steel pipes can become extremely hot during welding or cutting processes. Have fire extinguishers readily available and know how to use them. Clear any flammable materials from the work area and be cautious of sparks or open flames. 9. Regular Inspections: Regularly inspect steel pipes for signs of damage, such as cracks, rust, or degradation. Replace any damaged or compromised pipes to avoid potential failures or accidents. By following these safety precautions, you can minimize the risks associated with working with steel pipes and ensure a safe working environment. Remember, safety should always be the top priority.

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