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: What is the average lead time for manufacturing steel pipes?: The average lead time for manufacturing steel pipes can vary depending on various factors such as size, complexity, and quantity. However, a typical range for lead time is generally around 4 to 8 weeks.

Q: What materials are used in scaffolding pipes?: Safety net with dense green net, safety net of flame retardant standards GB, and safety net of flame retardant performance detection for lighter lit mesh 12 seconds after leaving the fire, flame retardant, continued burning of not more than 4S. The application of 9MM safety net rope, rope, nylon rope woven, each network should be able to withstand the impact of the national standard 1.6KN test.

Q: What is the average lifespan of steel pipes?: The average lifespan of steel pipes varies depending on various factors such as their quality, usage, and maintenance. However, under normal conditions, well-maintained steel pipes can last for several decades or even longer.

Q: How are steel pipes used in the manufacturing of chemical processing plants?: Steel pipes are commonly used in the manufacturing of chemical processing plants due to their durability, high strength, and resistance to corrosion. These pipes are typically used for the transportation of various chemicals, gases, and liquids within the plant. They help maintain the integrity of the materials being processed and ensure the safe and efficient operation of the plant.

Q: How are steel pipes used in the agriculture industry?: Steel pipes are used in various ways within the agriculture industry. They are commonly used for irrigation systems, allowing water to be efficiently transported to crops. Steel pipes are also used for drainage systems, ensuring excess water is properly removed from fields. Additionally, steel pipes are used for building structures such as barns, fences, and animal enclosures, providing durability and strength.

Q: What are the common methods for joining steel pipes?: Different methods exist for joining steel pipes, depending on specific applications and requirements. Some commonly employed techniques include the following: 1. Welding: Among the most frequently used methods to join steel pipes, welding involves heating the pipe ends and applying pressure to fuse them. Various techniques can be employed, such as arc welding, MIG welding, TIG welding, and even laser welding. 2. Threaded connections: This method involves threading the ends of steel pipes to create male and female connections. These threaded ends are then screwed together using pipe threads. Threaded connections are typically utilized for smaller diameter pipes and in low-pressure applications. 3. Flanged connections: Flanges are employed to join steel pipes in situations that necessitate easy assembly and disassembly or frequent maintenance. Flanges are flat, circular discs with bolt holes that allow for the bolting of pipes together. They offer a robust and leak-proof connection. 4. Compression fittings: Compression fittings enable the joining of steel pipes without the need for welding or threading. They consist of a compression nut, compression ring, and compression sleeve. The nut is tightened onto the sleeve, compressing it against the pipe and creating a secure connection. 5. Grooved couplings: Mechanical connections are created with grooved couplings, which are utilized to join steel pipes. The pipe ends are grooved, and a gasket is inserted between the grooves. The couplings are then tightened, compressing the gasket and forming a tight seal. 6. Soldering or brazing: These methods involve the use of filler metal with a lower melting point than the steel pipes. The filler metal is heated and melted, allowing it to flow between the pipe joints and create a bond. Soldering is generally suited for smaller diameter pipes and low-pressure applications. Each joining method has its own advantages and limitations. The appropriate method for joining steel pipes depends on factors such as pipe diameter, application, working pressure, and required joint durability. It is crucial to consider these factors and consult industry standards and guidelines when selecting the suitable joining method for steel pipes.

Q: What are the different types of steel pipe unions?: There are several different types of steel pipe unions that are commonly used in various industries and applications. Some of the most common types include: 1. Threaded Union: This type of union has female threads on both ends, allowing it to be easily screwed onto two male threaded pipes. It provides a secure and leak-free connection. 2. Socket Weld Union: This union has a socket on one end and a female threaded connection on the other. It is designed for socket welding, where the pipe is inserted into the socket and then welded around the joint for a strong and durable connection. 3. Butt Weld Union: This type of union is used for joining two pipes with butt weld ends. It requires the pipes to be beveled and then welded together, creating a strong and permanent connection. 4. Compression Union: Compression unions are typically used for connecting pipes made of softer materials, such as copper or plastic. They consist of a compression nut and a compression ring that are tightened onto the pipe, creating a tight seal. 5. Flanged Union: This union has flanges on both ends, allowing it to be bolted onto two flanged pipes. Flanged unions are commonly used in applications where easy disassembly and reassembly is required. 6. Grooved Union: Grooved unions have grooves on the ends, which are used to connect pipes by inserting them into the grooves and securing them with a coupling. They are often used in fire protection systems and other applications where quick installation and easy maintenance are important. These are just a few examples of the different types of steel pipe unions available. The choice of union depends on the specific requirements of the application, such as the pipe material, size, and operating conditions. Consulting with a professional or referring to industry standards can help determine the most suitable union for a particular project.

Q: Can steel pipes be used for heat exchangers?: Yes, steel pipes can be used for heat exchangers. Steel pipes are often preferred for heat exchangers due to their high thermal conductivity, durability, and resistance to corrosion. They are commonly used in various industries including power generation, chemical processing, and HVAC systems.

Q: What is the lifespan of a steel pipe?: The lifespan of a steel pipe can vary depending on various factors such as its quality, maintenance, and usage conditions. However, with proper care and maintenance, a well-made steel pipe can last for several decades or even more.

Q: What are the different methods of wrapping steel pipes for corrosion protection?: Corrosion protection for steel pipes can be achieved through various methods, tailored to specific applications and environmental conditions. Some commonly used techniques include: 1. Tape Wrapping: Steel pipes are wrapped with corrosion-resistant tape, like polyethylene or polypropylene tape, to create a barrier between the pipe and corrosive elements. This reduces the risk of direct contact and subsequent corrosion. 2. Inner Wrapping: A protective coating or lining is applied to the inside surface of the steel pipe. This method is commonly employed for pipes transporting fluids or gases, offering an additional layer of protection against internal corrosion. 3. External Coating: A widely utilized technique involves applying a protective coating to the outer surface of the steel pipe. This coating, which can consist of materials like epoxy, polyethylene, or polyurethane, acts as a barrier against corrosive elements, extending the pipe's lifespan. 4. Cathodic Protection: An electrochemical method is utilized to safeguard steel pipes from corrosion. By connecting the steel pipe to a sacrificial anode, such as zinc or magnesium, the anode corrodes instead of the pipe. This diverts corrosive currents away from the pipe, preventing its corrosion. 5. Heat Shrink Sleeve: Heat shrink sleeves are commonly employed for corrosion protection in underground or submerged scenarios. These sleeves, made of heat-activated material, shrink when heated to form a tight seal around the pipe. By preventing direct contact with moisture and corrosive elements, the sleeve effectively acts as a barrier. 6. Fusion Bonded Epoxy (FBE) Coating: FBE coating entails applying a thermosetting powder coating to the steel pipe's surface, which then fuses to create a protective layer. This coating exhibits strong adhesion and corrosion resistance, making it a popular choice for various steel pipe applications. Choosing the appropriate corrosion protection method for steel pipes depends on factors like the environment, specific corrosive elements, intended use, and other requirements. Seeking professional advice and consultation may be necessary to determine the most suitable technique for a particular situation.

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