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:Can steel pipes be used for oil drilling operations?: Yes, steel pipes are commonly used for oil drilling operations due to their strength, durability, and resistance to high pressure and extreme temperatures.

Q:Is it good to buy a simple wardrobe or a steel pipe?: Natural nobility, if the quality and the degree of firmness, is the simple steel cloth cabinet is the best. However, because the texture of wood wardrobe, solid wood wood may be used after deformation.

Q:How do you prevent steel pipes from freezing?: To prevent steel pipes from freezing, there are several measures you can take: 1. Insulate the pipes: Use foam insulation sleeves or wrap the pipes with insulation tape. This will help maintain the temperature of the pipes and prevent them from freezing. 2. Seal any gaps or cracks: Inspect the area around the pipes and seal any gaps or cracks with caulk or expanding foam. This will prevent cold air from entering and freezing the pipes. 3. Install heat cables: Heat cables can be wrapped around the steel pipes to provide a steady source of heat. These cables can be controlled by a thermostat, ensuring that the pipes stay above freezing temperature. 4. Keep the temperature above freezing: In areas where extreme cold weather is common, it is advisable to keep the indoor temperature above freezing, even if the property is vacant. This will help maintain a suitable temperature for the pipes and prevent freezing. 5. Open cabinets and faucets: In particularly cold weather, open cabinet doors in kitchens and bathrooms to allow warm air to circulate around the pipes. Additionally, allowing faucets to drip slightly can also prevent freezing by keeping water flowing. 6. Drain the pipes: If you are leaving your property unoccupied during freezing weather, it is recommended to drain the pipes completely. This can be done by shutting off the main water supply and opening all faucets until no water remains. This minimizes the risk of freezing and potential damage. Remember, prevention is crucial in protecting steel pipes from freezing. By implementing these measures, you can significantly reduce the risk of frozen pipes and potential costly repairs.

Q:What is the importance of corrosion resistance in steel pipes?: The importance of corrosion resistance in steel pipes is significant as it helps to extend the lifespan of the pipes, ensures their structural integrity, and maintains the quality of the fluid or gas being transported. Corrosion can lead to pipe failures, leaks, and contamination of the contents, resulting in costly repairs, environmental hazards, and potential safety risks. Therefore, incorporating corrosion-resistant properties in steel pipes is crucial for their long-term performance, durability, and overall efficiency.

Q:What are the factors to consider when selecting pipe materials for high-temperature applications?: When selecting pipe materials for high-temperature applications, there are several factors that need to be taken into consideration. Firstly, the material's thermal conductivity is crucial. High-temperature applications require materials with high thermal conductivity to ensure efficient heat transfer and prevent heat buildup. Materials such as copper and stainless steel have excellent thermal conductivity and are commonly used in high-temperature pipe installations. Secondly, the material's resistance to thermal expansion is important. When exposed to high temperatures, pipes tend to expand. Therefore, it is crucial to choose materials with low thermal expansion coefficients to prevent deformation and potential pipe failure. Materials like carbon steel and stainless steel exhibit relatively low thermal expansion and are suitable for high-temperature applications. Thirdly, the material's mechanical strength and resistance to corrosion need to be considered. High temperatures can cause certain materials to weaken or corrode, leading to structural failures. It is essential to select materials that can withstand high temperatures without compromising their mechanical strength or corroding easily. Materials like alloy steel and nickel-based alloys are known for their high strength and resistance to corrosion, making them suitable for high-temperature applications. Furthermore, the material's cost and availability should be taken into account. Some high-temperature pipe materials may be expensive or difficult to obtain, which can impact the overall project budget and timeline. It is essential to balance the desired material properties with the project's financial and logistical constraints. Lastly, the specific application requirements and industry standards should be considered. Different industries may have specific guidelines or regulations regarding pipe materials for high-temperature applications. It is crucial to ensure that the selected materials comply with these standards to ensure safety, reliability, and compliance with industry regulations. In conclusion, the factors to consider when selecting pipe materials for high-temperature applications include thermal conductivity, resistance to thermal expansion, mechanical strength, resistance to corrosion, cost and availability, and compliance with industry standards. By carefully evaluating these factors, one can choose the most suitable pipe material to ensure efficient and reliable operation in high-temperature environments.

Q:What is the role of steel pipes in sewage systems?: Steel pipes are commonly used in sewage systems as they provide durability, strength, and resistance to corrosion. They serve the crucial role of transporting wastewater, sewage, and other fluids from buildings to treatment facilities or disposal sites. Steel pipes are able to withstand the high pressure and gravity flow of sewage, ensuring the safe and efficient conveyance of waste materials.

Q:How can two smooth steel pipes be joined? The size of the two pipe is different (except for welding): Rectangular fastener: used for the connection of two vertical intersecting steel tubes. It relies on the frictional force between the fastener and the steel tube to carry the load.Swivel fastener: used for connecting two steel tubes intersecting at any angle

Q:What are the different methods of pipe joining using steel pipes?: There are several methods of pipe joining using steel pipes, each with its own advantages and disadvantages. 1. Threaded and coupled: This method involves threading the ends of the steel pipes and using couplings to connect them. It is a simple and cost-effective method, but it is not suitable for high-pressure or gas applications. 2. Welding: Welding is a popular method for joining steel pipes. It involves heating the ends of the pipes and fusing them together using a welding process. This method creates a strong and leak-proof joint, but it requires skilled labor and can be time-consuming. 3. Grooved: In this method, the ends of the steel pipes are grooved and then connected using mechanical couplings or fittings. It is a quick and reliable method, suitable for both high-pressure and low-pressure applications. However, it requires specialized tools and equipment. 4. Flanged: Flanged joints involve connecting steel pipes using flanges, which are flat discs with bolt holes. The pipes are aligned and bolted together using gaskets to create a secure connection. This method is commonly used for large-diameter pipes and high-pressure applications, but it can be expensive and time-consuming to install. 5. Compression: Compression fittings are used to join steel pipes by compressing a ferrule or sleeve against the pipe. This method is quick, easy, and requires no special tools. However, it is not suitable for high-pressure or high-temperature applications. 6. Brazing: Brazing involves heating the ends of the steel pipes and melting a filler material between them to form a joint. It is a reliable method for joining pipes in HVAC and refrigeration systems, but it requires skilled labor and careful temperature control. It is important to consider the specific requirements of the application, such as pressure, temperature, and material compatibility, when selecting the appropriate method of pipe joining using steel pipes.

Q:How are steel pipes protected against corrosion?: Steel pipes are protected against corrosion through various methods such as coating them with protective materials like paint or epoxy, galvanizing them with a zinc coating, or using cathodic protection techniques such as sacrificial anodes or impressed current systems.

Q:What are the environmental impacts of using steel pipes?: The environmental impacts of using steel pipes include the extraction and processing of raw materials, which contribute to deforestation, habitat destruction, and greenhouse gas emissions. Additionally, the production of steel pipes requires significant amounts of energy and water, leading to resource depletion and pollution. However, steel pipes are durable and recyclable, reducing the need for new materials and minimizing waste. Proper management and recycling practices can help mitigate the environmental impacts associated with steel pipe usage.

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