CARBON STEEL PIPE FITTINGS ASTM A234 FLANGE 16'' 20'' 22''

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 30000 m.t./month

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Specifications

1.we produce seamless steel pipe
2.size:48-219*4.5-45mm
3.ISO 9000 approved
4.Market:south/east Asia,Mid-east,South America

seamless steel pipe

Material J55 K55 N80 L80 P110.etc

Standard ASTM JIS

Usage conveying oil gas ,oil pipe line,pipe material collar,oil nature gas,

Packing wooden cases or wooden pallet ,export standard package

Others:Special design available according to requirement

Anti-corrosion available and high temperature resistence

Delivery time 30days

Payment term T/T L/C

Name		API oil casing pipe
Out Diameter		Wall thickness	Material	Thread	Length
in	mm
5 1/2	139.7mm	6.20	J55/K55/N80	LTC/STC/BTC	R2
		6.98
		7.72
		9.17
		10.54
6 5/8	168.28mm	7.32	J55/K55/N80	LTC/STC/BTC	R2
		8.94
		10.59
		12.06
		12.06
8 5/8	219.08	8.94	H40	S/L/B	9 5/8R2
			J55/K55	S/L/B
		10.6	L80	L/B
		12.7	L80 C95	L/B
		14.15	P110	L/B
9 5/8	244.48	13.84	J55 K55		R2
		15.11	L80	L/B
10 3/4	273.05	11.43	J55 K55	S/B/E	R2
		13.84	P110	S/B
		15.11	P110	S/B
11 3/4	298.45	12.19	J55 K55	S/B	R2
		10.96	J55 K55	S/B
13 3/8	339.72	12.19	J55 K55 L80	S/B	R2
		10.92	J55 K55	S/B
		13.06	L80	S/B

Coupling and thread can be required according to customer requirment

Q: How do you calculate the pipe volume for steel pipes?: In order to determine the volume of a steel pipe, one must possess knowledge regarding its length and the inner diameter. The formula for calculating the volume of a cylindrical shape, such as a pipe, is V = πr^2h, where V denotes the volume, π represents a mathematical constant which is approximately equivalent to 3.14159, r signifies the radius of the pipe (which is half of the inner diameter), and h stands for the length of the pipe. Initially, employ a measuring tape or a caliper to measure the inner diameter of the pipe. Proceed to divide this value by 2 in order to obtain the radius. Afterwards, proceed to measure the length of the pipe, utilizing inches, feet, or meters. Ensure that the same unit of measurement is used for both the radius and length. Once the measurements for the radius and length have been ascertained, input them into the formula V = πr^2h. For instance, let us assume that the inner diameter of the steel pipe measures 10 inches and the length amounts to 50 feet. Firstly, divide the inner diameter by 2 to determine the radius: 10 / 2 = 5 inches. Next, convert the length into inches: 50 feet * 12 inches/foot = 600 inches. Subsequently, input the values into the formula: V = 3.14159 * 5^2 * 600. By calculating the volume: V = 3.14159 * 25 * 600 = 47,123.85 cubic inches. Therefore, the volume of the steel pipe is approximately 47,123.85 cubic inches.

Q: How are steel pipes used in the manufacturing of HVAC systems?: Steel pipes are commonly used in the manufacturing of HVAC systems due to their durability, strength, and heat resistance. They are used to transport fluids, such as water and refrigerant, throughout the system. Steel pipes also provide structural support for the overall HVAC system, ensuring its stability and reliability.

Q: Can steel pipes be used for automotive applications?: Yes, steel pipes can be used for automotive applications. Steel pipes are commonly used in the automotive industry for various purposes such as exhaust systems, fuel lines, and hydraulic systems. Steel pipes offer high strength, durability, and resistance to corrosion, making them suitable for withstanding the harsh conditions and demands of automotive applications. Additionally, steel pipes can be easily formed and welded, allowing for customization and ease of installation. Overall, steel pipes provide a reliable and cost-effective solution for automotive applications.

Q: How are steel pipes used in power plants?: Power plants rely heavily on the extensive use of steel pipes for a variety of purposes. When it comes to transporting fluids and gases, steel pipes are the go-to choice. They effectively carry water, steam, and fuel (like oil or gas) throughout the power plant. The reason steel pipes are so widely used for this purpose is because of their exceptional strength and durability. They can withstand the high pressures and temperatures found in power plants without faltering. Another crucial role steel pipes play in power plants is in the boilers. They are an integral part of the boiler system, responsible for the transportation of hot gases and steam. These pipes are specifically designed to endure extreme heat and pressure, ensuring the safe and efficient operation of the boiler. Moreover, steel pipes are utilized in the cooling systems of power plants. They facilitate the circulation of water to cool down essential equipment such as turbines and condensers. These pipes are built to withstand corrosion caused by the cooling water, all while maintaining the required flow rate and pressure. Additionally, steel pipes find their place in the construction of power plant structures. They are extensively used for fabricating support structures like frames, platforms, and walkways. Steel pipes possess excellent structural integrity and can bear heavy loads, making them the perfect choice for these applications. In conclusion, steel pipes fulfill a crucial role in power plants by efficiently transporting fluids and gases, serving as an essential component of the boiler system, facilitating cooling processes, and providing structural support. Their strength, durability, and resistance to extreme conditions make them indispensable in the operation of power plants.

Q: What are steel pipes made of?: Steel pipes are primarily made of steel, which is an alloy composed of iron and carbon.

Q: What are the different types of coatings used for internal lining of steel pipes?: There are several types of coatings commonly used for the internal lining of steel pipes, including epoxy coatings, polyurethane coatings, cement mortar linings, and polyethylene linings. Each type of coating offers different benefits and is chosen based on factors such as the intended application, corrosion resistance requirements, and cost-effectiveness.

Q: How do steel pipes perform in marine environments?: Steel pipes perform well in marine environments due to their high corrosion resistance. They are typically coated with protective layers such as zinc or epoxy, which further enhance their ability to withstand the harsh conditions of saltwater, waves, and constant exposure to moisture. These pipes are capable of withstanding the corrosive effects of seawater, making them reliable for various applications like offshore oil rigs, shipbuilding, and coastal infrastructure.

Q: What kinds of steel pipe are divided into?: Welded pipe: also known as welded pipe, is made of steel or steel strip after bending forming, and then made by welding. In accordance with the form of weld is divided into longitudinal welded pipe and spiral welded pipeSpecifically refers to the use of welded steel strip or plate bending deformation of round, square shape after welded, surface jointed steel pipe. The welding steel billets is used in steel plate or strip. The welded pipe production process simple, high production efficiency, great variety, less capital equipment, but since the general strength is less than that of seamless steel.20 century 30s, along with the rapid development of high-quality strip rolling production and progress of welding and testing technology, and constantly improve the weld quality, varieties and specifications of welded steel pipe is increasing, and instead of the seamless steel pipe in more and more fields. Compared with welded steel seamless steel tube with low cost and high production efficiency.

Q: Are steel pipes suitable for conveying fluids?: Yes, steel pipes are suitable for conveying fluids. Steel pipes have been widely used in various industries for many years due to their durability, strength, and resistance to corrosion. These qualities make steel pipes an ideal choice for conveying fluids such as water, oil, gas, and even hazardous chemicals. The smooth interior surface of steel pipes also allows for efficient flow and prevents clogging, making them suitable for applications that require a continuous and smooth flow of fluids. Furthermore, steel pipes can withstand high pressure and temperature conditions, making them suitable for both high and low-pressure fluid transmission systems. Overall, steel pipes are a reliable and efficient option for conveying fluids in a wide range of industries, including oil and gas, water treatment, chemical processing, and many more.

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.

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