Tubing Pipe of Grade L80 with API Standard

Tubing Pipe of Grade L80 with API Standard System 1

Tubing Pipe of Grade L80 with API Standard

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 2000 m.t./month

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1. Structure of Tubing Pipe of Grade L80 Description

API 5CT Steel Pipe, L80 Oil/Petroleum tubing Pipe, OCTG
1) Size: O.D. 1.900", 2-3/8", 2-7/8", 3-1/2", 4-1/2"
2) Grade: J55, N80, L80, C90, T95, P110
3) Wall thickness: 3.18 - 10.54mm
4) Length: R1,R2,R3
5) Thread: 8RD and 10RD
6) All our Tubing accord with API SPEC 5CT standard.

2. Main Features of Tubing Pipe of Grade L80

1) Advanced test for quality

2) MTC, COC provided

3) Supervision is welcome

3. Tubing Pipe of Grade L80 Images

Tubing Pipe of Grade L80 with API Standard

4. Tubing Pipe of Grade L80 Specification

Size Destination	Weight Destination		Outside Diameter		Wall Thickness		Type of End Finish
	Weight Destination		Outside Diameter		Wall Thickness		Grade
	T&C Non-Upset	T&C External Upset	in	mm	in	mm	J55 K55	L80	N80	C90	T95	P110
1.900	2.40	-	1.900	48.26	0.125	3.18	PI	-	-	-	-	-
	2.75	2.90			0.145	3.68	PNUI	PNUI	PNUI	PNUI	PNUI	-
	3.65	3.73			0.200	5.08	PU	PU	PU	PU	PU	PU
	4.42	-			0.250	6.35	-	P	-	P	P	-
	5.15	-			0.300	7.62	-	P	-	P	P	-
2 3/8	4.00	-	2.375	60.3	0.167	4.24	PN	PN	PN	PN	PN	-
	4.00	4.70			0.190	4.83	PNU	PNU	PNU	PNU	PNU	PNU
	5.80	5.95			0.254	6.45	-	PNU	PNU	PNU	PNU	PNU
	6.60	-			0.259	7.49	P	P	P	P	P	-
	7.35	7.45			0.336	8.53	PU	PU	PU	PU	PU	-
2 7/8	6.40	6.50	2.875	73.02	0.217	5.51	PNU	PNU	PNU	PNU	PNU	PNU
	7.80	7.90			0.276	7.01	-	PNU	PNU	PNU	PNU	PNU
	8.60	8.70			0.308	7.82	-	PNU	PNU	PNU	PNU	PNU
	9.35	9.45			0.340	8.64	-	PU	-	PU	PU	-
	10.50	-			0.392	9.96	-	P	-	P	P	-
	11.50	-			0.440	11.18	-	P	-	P	P	-
3 1/2	7.70	-	3.500	88.9	0.216	5.49	PN	PN	PN	PN	PN	-
	9.20	9.30			0.254	6.45	PUN	PUN	PUN	PNU	PNU	PUN
	10.20	-			0.289	7.34	PN	PN	PN	PN	PN	-
	12.70	12.95			0.375	9.53	-	PUN	PUN	PNU	PNU	PUN
	14.30	-			0.430	10.92	-	P	-	P	P	-
	15.50	-			0.476	12.00	-	P	-	P	P	-
	17.00	-			0.530	13.46	-	P	-	P	P	-
4	9.50	-	4.00	101.6	0.226	5.74	PN	PN	PN	PN	PN	PN
4	10.70	11.00	4.00	101.6	0.262	6.65	PU	PU	PU	PU	PU	PU
4 1/2	12.60	12.75	4.500	114.3	0.271	6.88	PNU	PNU	PNU	PNU	PNU	-
	15.20	-			0.337	8.56	-	P	-	P	P	-
	17.00	-			0.380	9.65	-	P	-	P	P	-
	18.90	-			0.430	10.92	-	P	-	P	P	-
	21.50	-			0.500	12.70	-	P	-	P	P	-
	23.70	-			0.560	14.22	-	P	-	P	P	-
	26.10	-			0.630	16.00	-	P	-	P	P	-

5. FAQ of Tubing Pipe of Grade L80

We have organized several common questions for our clients，may help you sincerely：

①How about your company？

One of the leading manufacturers and suppliers specializing in steel pipe products in China, mainly offering four series steel pipes including welded steel pipe (ERW, SSAW, LSAW and square and rectangle pipe), seamless steel pipe, hot dipped galvanized steel pipe and steel pipe with 3 layer polythene coating. We can provide customers different specification standards e.g. ASTM A53, ASTM A106, BS1387, API 5L, API 5CT, ISO3183 and etc. Our scope of supplying covers from 1/2" to 48" for the outside diameter of welded pipes, and 1/8" to 20" for the seamless pipes.

Other than steel pipes we are also capable of supplying a wide variety of pipeline accessories, steel pipe fittings; valves etc. consists of our one-stop sales. The integrated sales & service ensures customers with various demands an easier access for purchasing management.

②How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.

Q: How are steel pipes used in the construction of dams and water reservoirs?: Steel pipes find widespread application in the construction of dams and water reservoirs owing to their remarkable durability, strength, and capacity to endure heavy loads and high pressure. These pipes serve multiple indispensable functions within the realm of dam and reservoir construction. A primary utility of steel pipes in these structures lies in their capacity to transport water. They are employed to convey water from its source, such as a river or stream, to the reservoir or dam. These pipes are engineered to withstand the elevated water pressure, ensuring a consistent flow of water to the reservoir. The durability of steel pipes enables them to remain intact even in the harshest environmental conditions. In addition to water conveyance, steel pipes are also utilized for drainage purposes. They are employed to establish drainage systems that help regulate the water level within the reservoir or dam. These pipes are strategically positioned to control the water flow and prevent potential flooding or overflow. Steel pipes are also integrated into the construction of spillways and outlets in dams and reservoirs. Spillways are designed to release excess water from the reservoir during heavy rainfall or when the water level exceeds predetermined thresholds. Steel pipes are employed in crafting these spillways to provide a controlled pathway for water discharge, thus averting any harm to the dam or surrounding areas. Moreover, steel pipes are employed in the construction of penstocks, which are large conduits that transport water from the reservoir to turbines in hydropower plants. The pressure generated by the water within these pipes propels the turbines, facilitating electricity generation. The robustness and durability of steel pipes are vital in ensuring the smooth and efficient operation of hydropower plants. All in all, steel pipes occupy an indispensable role in the construction of dams and water reservoirs. Their durability, strength, and ability to withstand high pressure render them an ideal choice for various aspects of these structures, including water transportation, drainage systems, spillways, and penstocks.

Q: What are the different methods of pipe protection for steel pipes?: There are several different methods of pipe protection for steel pipes, each serving a unique purpose and providing varying levels of protection. Some of the common methods include: 1. Coatings: Coatings are applied on the external surface of steel pipes to protect them from corrosion and other environmental factors. Coating materials can include various types of paints, epoxies, or polymers. These coatings create a barrier between the pipe surface and the surrounding environment, preventing the steel from coming into contact with corrosive elements. 2. Wrapping: Wrapping involves using a protective material, such as tape or shrink wrap, to cover the steel pipe. This method provides a physical barrier against moisture, chemicals, and other corrosive substances. Wrapping is often used in combination with coatings to enhance the overall protection. 3. Cathodic Protection: Cathodic protection is an electrochemical method used to protect steel pipes from corrosion. It involves connecting the steel pipe to a sacrificial anode, typically made of zinc or magnesium. The anode corrodes instead of the pipe, which helps to prevent the steel from deteriorating. This method is commonly used for buried or submerged pipelines. 4. Thermal Insulation: Thermal insulation is used to protect steel pipes from extreme temperatures. Insulating materials, such as foam or mineral wool, are applied around the pipe to minimize heat transfer. This method is particularly important for pipes carrying hot fluids or exposed to extreme weather conditions. 5. Vibration Dampening: Vibration can cause stress and fatigue on steel pipes, leading to potential damage. To protect against vibrations, various techniques can be employed, such as using vibration damping pads or installing supports and clamps. These methods help to absorb and dissipate the energy generated by vibrations, reducing the risk of pipe failure. 6. Concrete Coating: For pipelines installed underwater or in highly corrosive environments, concrete coating is often used. A layer of concrete or a cement-based mortar is applied to the steel pipe, providing both mechanical protection and resistance to corrosion. It is important to select the appropriate method of pipe protection based on the specific application, environmental conditions, and desired level of protection. Regular inspection and maintenance are also crucial to ensure the long-term integrity of steel pipes.

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: What are the factors that affect the pressure rating of steel pipes?: The pressure rating of steel pipes can be influenced by various factors. These factors include the strength of the material used, the thickness of the pipe wall, the diameter of the pipe, the temperature at which it operates, its resistance to corrosion, compliance with manufacturing standards, and the impact of external loads. The strength of the steel plays a crucial role in determining the pressure rating. Steel with higher strength can handle higher pressure levels, while weaker grades may have lower ratings. Thicker walls provide more resistance against internal forces, allowing pipes to handle higher pressures. The diameter of the pipe also affects its pressure rating. Larger pipes generally have higher ratings due to their larger cross-sectional area. High temperatures can weaken steel, reducing its strength and pressure rating. Therefore, maximum operating temperature should be considered. Corrosion can weaken the pipe material over time, leading to a decrease in pressure rating. Factors such as fluid type, pH levels, and environmental conditions can impact corrosion resistance. Compliance with industry standards is crucial in determining pressure ratings. These standards ensure proper manufacturing techniques and materials are used. External loads such as soil settlement or traffic can affect pressure ratings. Proper design, installation, support, and protection are necessary to maintain the pressure rating. Considering all these factors and consulting industry guidelines is important for determining appropriate pressure ratings for steel pipes in different applications.

Q: What are the common applications of galvanized steel pipes?: Galvanized steel pipes are commonly used in various industries and applications such as plumbing, water supply systems, gas pipelines, electrical conduits, construction projects, fencing, and outdoor structures. The galvanization process adds a protective zinc coating to the steel, making it resistant to corrosion and extending its lifespan, making it ideal for applications requiring durability and longevity.

Q: Can steel pipes be bent?: Yes, steel pipes can be bent using specialized tools and techniques such as pipe bending machines or hydraulic benders.

Q: Are steel pipes suitable for wastewater pumping stations?: Yes, steel pipes are suitable for wastewater pumping stations. Steel pipes are known for their durability and strength, making them an excellent choice for handling the harsh conditions and high-pressure requirements of wastewater pumping stations. They have the ability to withstand the corrosive nature of wastewater and can resist damage caused by chemicals and other aggressive substances commonly found in wastewater. Additionally, steel pipes are available in various sizes and thicknesses, allowing for customization to meet the specific needs of the pumping station. Furthermore, steel pipes can be easily welded and joined together, ensuring a secure and leak-free system. Overall, steel pipes offer a reliable and long-lasting solution for wastewater pumping stations.

Q: How are steel pipes used in the manufacturing of boilers?: Steel pipes are an integral component in the manufacturing of boilers due to their strength, durability, and heat-resistant properties. Boilers are used to generate steam or heat water for various industrial and commercial applications. Steel pipes are primarily used in the construction of boiler tubes, which serve as the main heat transfer medium. These tubes are subjected to high temperatures and pressure, making it crucial to use a material that can withstand these extreme conditions. Steel, with its excellent mechanical properties and resistance to corrosion, is the ideal material for this purpose. The manufacturing process of boilers involves forming the steel pipes into specific shapes and sizes to create the boiler tubes. These tubes are then connected to form a network of channels through which hot gases or water flow. The steel pipes used in this process are often seamless or welded, depending on the requirements of the boiler design. The steel pipes used in boilers must meet stringent quality standards to ensure the safety and efficiency of the system. They are tested for their ability to withstand high pressure, temperature, and corrosion. Additionally, they undergo various inspections and tests, such as ultrasonic testing and radiographic examination, to detect any defects or flaws that could compromise the boiler's performance. In summary, steel pipes play a crucial role in the manufacturing of boilers by serving as the primary material for boiler tubes. Their strength, durability, and heat-resistant properties make them suitable for withstanding high temperatures and pressure. These pipes undergo rigorous testing to ensure their quality and reliability in creating efficient and safe boiler systems.

Q: Can steel pipes be used for underground water wells?: Yes, steel pipes can be used for underground water wells. Steel pipes are commonly used for drilling water wells due to their durability, strength, and resistance to corrosion. However, it is important to ensure that the steel pipes are properly coated and protected to prevent any contamination of the underground water source.

Q: How are steel pipes used in the construction of power transmission lines?: Steel pipes are commonly used in the construction of power transmission lines as they provide a strong and durable structure to support the weight of the lines and withstand environmental conditions. These pipes serve as the main support structure for overhead power lines and are often used to elevate the lines above ground level or across bodies of water. Additionally, steel pipes are used to protect and encase underground power cables, ensuring their safety and longevity.

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