API 5CT Casing Pipe for conveyance of gas, petroleum, liquid and electricity

API 5CT Casing Pipe for conveyance of gas, petroleum, liquid and electricity

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 100000 m.t./month

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Technique Parameters

Casing Technical Specification (Standard API Spec 5 CT)
Size	Outside Diameter		Inside Diameter		Grade	Wall Thickness
Size	in	mm	in	mm	Grade	in	mm
4-1/2	4.500	114.30	4.000	101.60	J55K55N80	0.250	6.35
4-1/2	4.500	114.30	3.920	99.57	J55K55N80	0.290	7.37
5	5.000	127.00	4.408	111.96	J55K55N80	0.296	7.52
			4.276	108.61	N80P110	0.362	9.29
			4.126	104.80	N80P110	0.437	11.10
5-1/2	5.500	139.70	4.892	124.26	J55K55N80	0.304	7.72
			4.778	121.36	N80	0.361	9.17
			4.670	118.62	N80	0.415	10.54
7	7.000	177.80	6.366	161.70	J55K55N80	0.317	8.05
			6.276	159.41	J55K55N80	0.362	9.19
			6.184	157.07	N80	0.408	10.36
9-5/8	9.625	244.48	8.755	222.38	N80	0.435	11.05
9-5/8	9.625	244.48	8.681	222.50	N80	0.472	11.99
10-3/4	10.750	273.05	10.050	255.27	H40J55K55N80	0.350	8.89
10-3/4	10.750	273.05	9.850	250.19	J55K55N80	0.450	11.43
13-3/8	13.375	339.72	12.615	320.42	J55K55	0.380	9.65
13-3/8	13.375	339.72	12.415	315.34	J55K55N80	0.480	12.19

Q:What is the maximum temperature and pressure that steel pipes can withstand?: The maximum temperature and pressure that steel pipes can withstand vary depending on the specific grade and type of steel being used. However, in general, steel pipes can withstand high temperatures and pressures due to their strong and durable nature. For high-temperature applications, such as in steam or heat transfer systems, steel pipes can typically withstand temperatures up to 1000 degrees Celsius (1832 degrees Fahrenheit) or even higher. It is important to note that the specific temperature limit may vary depending on the alloy composition and heat treatment of the steel. Regarding pressure, steel pipes are known for their excellent strength and resistance to internal and external pressure. The maximum pressure that steel pipes can withstand will depend on factors such as the pipe diameter, wall thickness, and material strength. In industrial applications, steel pipes can withstand pressures ranging from a few hundred psi (pounds per square inch) to several thousand psi. To ensure the safe operation of steel pipes under high temperatures and pressures, it is crucial to follow industry standards and guidelines, as well as perform regular inspections and maintenance. Consulting with engineers and professionals experienced in steel pipe systems can provide more specific information regarding the maximum temperature and pressure limits for a particular steel pipe application.

Q:What are the different joining methods for steel pipes?: The different joining methods for steel pipes include welding, threaded connections, flanges, and grooved connections.

Q:What are the properties of steel that make it suitable for pipe manufacturing?: Steel is a highly preferred material for pipe manufacturing due to its unique properties. Firstly, steel exhibits exceptional strength and durability, making it capable of withstanding high pressure and extreme temperatures. This strength ensures that steel pipes can safely transport fluids and gases over long distances without the risk of leakage or breakage. Another important property of steel is its resistance to corrosion. Steel pipes are often exposed to various corrosive substances such as water, chemicals, and gases, which can degrade other materials over time. However, steel is highly resistant to corrosion, resulting in long-lasting and reliable pipes. Additionally, steel is a highly versatile material, allowing for various pipe sizes and shapes to be manufactured. Steel pipes can be customized to meet specific project requirements, making them suitable for a wide range of applications such as water supply, oil and gas transmission, sewage systems, and structural support. Moreover, steel is known for its excellent thermal conductivity, which is crucial for applications involving the transportation of hot or cold fluids. Steel pipes efficiently transfer heat, ensuring minimal energy loss during the process. Furthermore, steel is a recyclable material, making it an environmentally friendly option for pipe manufacturing. Steel pipes can be recycled and reused, reducing the need for new raw materials and minimizing waste generation. In conclusion, the properties of strength, durability, corrosion resistance, versatility, thermal conductivity, and recyclability make steel an ideal choice for pipe manufacturing. These properties ensure the reliability, efficiency, and longevity of steel pipes in various industries and applications.

Q:How are steel pipes connected to other plumbing components?: Steel pipes are commonly connected to other plumbing components through various methods, depending on the specific application and requirements. The most common methods of connecting steel pipes to other plumbing components include threading, welding, and using mechanical fittings. Threading is a process where the ends of the steel pipes are cut and grooves are created on the outer surface to form a threaded connection. This allows the pipes to be screwed into fittings such as elbows, tees, or couplings. Threaded connections are often used in smaller diameter pipes and low-pressure applications. Welding is another commonly used method to connect steel pipes. It involves heating the ends of the pipes and joining them together by melting the metal at the point of contact. This creates a strong and permanent connection. Welded connections are often used in larger diameter pipes and high-pressure applications. Mechanical fittings are another popular option for connecting steel pipes. These fittings are designed to be easily installed without the need for welding or threading. They typically consist of two parts – a compression ring and a nut. The compression ring is placed over the pipe, and the nut is tightened, compressing the ring onto the pipe and creating a secure connection. Mechanical fittings are commonly used in both residential and commercial plumbing systems. In addition to these methods, other connection techniques such as flanges, grooved couplings, and soldering can also be used to connect steel pipes to other plumbing components, depending on the specific needs of the system. Overall, the method used to connect steel pipes to other plumbing components depends on factors such as the size of the pipes, the pressure of the system, the type of fluid being transported, and the specific requirements of the project. It is important to choose the appropriate method and ensure that the connections are properly installed to ensure the integrity and efficiency of the plumbing system.

Q:What is the creep resistance of steel pipes?: The ability of steel pipes to withstand deformation or elongation over time when exposed to high temperatures and constant stress is referred to as their creep resistance. Steel pipes are highly regarded for their exceptional resistance to creep because of the inherent strength and stability of the material. The creep resistance of steel pipes can vary depending on factors like the composition of the alloy, heat treatment, and the conditions in which they are used. Creep is a phenomenon that occurs at elevated temperatures, causing materials to slowly deform under constant stress. In the case of steel pipes, this can be a concern in applications where they are subjected to high temperatures for extended periods, such as in power plants, industrial furnaces, or steam pipelines. The ability to resist creep deformation is crucial to maintain the structural integrity and longevity of the pipes. Steel pipes are often designed and manufactured using alloys with high creep resistance properties, such as chromium-molybdenum (Cr-Mo) steels or nickel-based alloys. These alloys possess excellent mechanical strength, thermal stability, and resistance to oxidation and corrosion, all of which contribute to their superior creep resistance. Moreover, heat treatment processes like quenching and tempering can significantly enhance the creep resistance of steel pipes. These treatments involve controlled heating and cooling cycles to optimize the microstructure of the steel, thereby increasing its resistance to deformation and improving its overall performance at high temperatures. It is important to note that the creep resistance of steel pipes is typically specified by industry standards and codes, such as the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. These standards define the allowable stress levels and design criteria for different steel pipe applications, ensuring that they meet the necessary safety and performance standards. In summary, steel pipes are renowned for their excellent creep resistance due to their inherent strength, stability, and ability to withstand high temperatures. The specific creep resistance of steel pipes may vary depending on factors such as alloy composition, heat treatment, and operating conditions. Proper design and adherence to industry standards are essential to ensure the desired creep resistance and overall performance of steel pipes in various applications.

Q:Can steel pipes be used for firefighting systems?: Yes, steel pipes can be used for firefighting systems. Steel pipes are commonly used for their durability, strength, and resistance to high pressure and heat. They can effectively transport water or other fire suppressants to extinguish fires efficiently, making them a reliable choice for firefighting systems.

Q:What are the different grades of steel used in pipes?: The different grades of steel used in pipes include carbon steel, alloy steel, stainless steel, and duplex stainless steel.

Q:What are the different methods of cleaning steel pipes?: There are several methods of cleaning steel pipes, including mechanical cleaning, chemical cleaning, and high-pressure water jetting. Mechanical cleaning involves using wire brushes, scrapers, or sandpaper to physically remove debris and rust from the pipe's surface. Chemical cleaning involves using solvents or acids to dissolve contaminants and rust, followed by flushing the pipe with water. High-pressure water jetting uses a stream of water at high pressure to remove dirt, rust, and other deposits from the pipe's interior and exterior surfaces.

Q:What are the common applications of steel pipes in the oil and gas industry?: Steel pipes are commonly used in the oil and gas industry for various applications such as drilling, production, transportation, and distribution of oil and gas. They are utilized for casing and tubing in oil wells, conveying fluids in pipelines, and supporting infrastructure for refineries and processing plants. Additionally, steel pipes are crucial for offshore drilling operations and are employed in the construction of platforms and subsea pipelines.

Q:What are the standard specifications for steel pipes?: The standard specifications for steel pipes vary depending on the intended use and industry requirements. However, some common standard specifications include the pipe's size, wall thickness, material composition (such as carbon steel or stainless steel), and pressure ratings. Other specifications may include the pipe's shape, length, and surface finish. It is essential to consult relevant standards organizations, such as ASTM or ASME, to determine the specific standard specifications for steel pipes in a given application.

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