Casing Pipe of Grade K55 with API Standard

Casing Pipe of Grade K55 with API Standard System 1

Casing Pipe of Grade K55 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 Casing Pipe of Grade K55 Description

API 5CT Steel Pipe, K55 Oil/Petroleum Casing Pipe.

1) Grade: K55

2) Size: 4 1/2", 5", 5 1/2", 6 5/8", 7", 7 5/8", 9 5/8", 10 3/4", 13 3/8", 16", 18 5/8", 20"
3) Wall thickness: 6.35 - 12.70 mm
4) Thread type: STC, LTC, BTC
5) Length: R1,R2,R3
6) All our casings accord with API 5CT standard.

2. Main Features of Casing Pipe of Grade K55

1) Advanced test for quality

2) MTC, COC provided

3) Supervision is welcome

3. Casing Pipe of Grade K55 Images

Casing Pipe of Grade K55 with API Standard

4. Casing Pipe of Grade K55 Specification

Size Destination	Weight Destination	Outside Diameter		Wall Thickness		Type of End Finish
		Outside Diameter		Wall Thickness		Grade
		in	mm	in	mm	J55 K55	L80	N80	C90 T95	P110
4 1/2	9.50	4.500	114.3	0.205	5.21	PS	-	-	-	-
	10.50			0.224	5.69	PSB	-	-	-	-
	11.60			0.250	6.35	PSLB	PLB	PLB	PLB	PLB
	13.50			0.290	7.37	-	PLB	PLB	PLB	PLB
	15.10			0.337	9.56	-	-	-	-	PLB
5	11.50	5.00	127.00	0.220	5.59	PS	-	-	-	-
	13.00			0.253	6.43	PSLB	-	-	-	-
	15.00			0.296	7.52	PSLB	PLB	PLB	PLBE	PLB
	18.00			0.362	9.19	-	PLB	PLB	PLBE	PLB
	21.40			0.437	11.10	-	PLB	PLB	PLB	PLB
	23.20			0.478	12.14	-			PLB
	24.10			0.500	12.70	-			PLB
5 1/2	14.00	5.500	139.7	0.244	6.20	PS	-	-	-	-
	15.50			0.275	6.98	PSLB	-	-	-	-
	17.00			0.304	7.72	PSLB	PLB	PLB	PLBE	PLB
	20.00			0.361	9.17	-	PLB	PLB	PLBE	PLB
	23.00			0.415	10.54	-	PLB	PLB	PLBE	PLB
6 5/8	20.00	6.625	168.28	0.288	7.32	PSLB	-	-	-	-
	24.00			0.352	8.94	PSLB	PLB	PLB	PLBE	PLB
	28.00			0.417	10.59	-	PLB	PLB	PLBE	PLB
	32.00			0.475	12.06	-	PLB	PLB	PLBE	PLB
7	17.00	7.00	177.80	0.231	5.87	-	-	-	-	-
	20.00			0.272	6.91	PS	-	-	-	-
	23.00			0.317	8.05	PSLB	PLB	PLB	PLBE	-
	26.00			0.362	9.19	PSLB	PLB	PLB	PLBE	PLB
	29.00			0.408	10.36	-	PLB	PLB	PLBE	PLB
	32.00			0.453	11.51	-	PLB	PLB	PLBE	PLB
	35.00			0.498	12.65	-	PLB	PLB	PLBE	PLB
	38.00			0.540	13.72	-	PLB	PLB	PLBE	PLB
7 5/8	24.00	7.625	193.68	0.300	7.62	-	-	-	-	-
	26.40			0.328	8.33	PSLB	PLB	PLB	PLBE	PLB
	29.70			0.375	9.52	-	PLB	PLB	PLBE	PLB
	33.70			0.430	10.92	-	PLB	PLB	PLBE	PLB
	39.00			0.500	12.70	-	PLB	PLB	PLBE	PLB
	42.80			0.562	14.27	-	PLB	PLB	PLB	PLB
	45.30			0.595	15.11	-	PLB	PLB	PLB	PLB
	47.10			0.625	15.88	-	PLB	PLB	PLB	PLB
8 5/8	24.00	8.625	219.08	0.264	6.71	PS	-	-	-	-
	28.00			0.304	7.72	-	-	-	-	-
	32.00			0.352	8.94	PSLB	-	-	-	-
	36.00			0.400	10.16	PSLB	PLB	PLB	PLBE	PLB
	40.00			0.450	11.43	-	PLB	PLB	PLBE	PLB
	44.00			0.500	12.70	-	PLB	PLB	PLBE	PLB
	49.00			0.557	14.15	-	PLB	PLB	PLBE	PLB
9 5/8	32.30	9.625	244.48	0.312	7.92	-	-	-	-	-
	36.00			0.352	8.94	PSLB	-	-	-	-
	40.00			0.395	10.03	PSLB	PLB	PLB	PLBE	-
	43.50			0.435	11.05	-	PLB	PLB	PLBE	PLB
	47.00			0.472	11.99	-	PLB	PLB	PLBE	PLB
	53.50			0.545	13.84	-	PLB	PLB	PLBE	PLB
	58.40			0.595	15.11	-	PLB	PLB	PLB	PLB
10 3/4	32.75	10.75	273.05	0.279	7.09	-	-	-	-	-
	40.50			0.350	8.89	PSB	-	-	-	-
	15.50			0.400	10.16	PSB	-	-	-	-
	51.00			0.450	11.43	PSB	PSB	PSB	PSBE	PSB
	55.50			0.495	12.57	-	PSB	PSB	PSBE	PSB
	60.70			0.545	13.84	-	-	-	PSBE	PSB
	65.70			0.595	15.11	-	-	-	PSB	PSB
13 3/8	48.00	13.375	339.73	0.330	8.38	-	-	-	-	-
	54.50			0.380	9.65	PSB	-	-	-	-
	61.00			0.430	10.92	PSB	-	-	-	-
	68.00			0.480	12.19	PSB	PSB	PSB	PSB	PSB
	72.00			0.514	13.06	-	PSB	PSB	PSB	PSB
16	65.00	16	406.40	0.375	9.53	-	-	-	-	-
	75.00			0.438	11.13	PSB	-	-	-	-
	84.00			0.495	12.57	PSB	-	-	-	-
	109.00			0.656	16.66	P	P	P	-	P
18 5/8	87.50	18.625	473.08	0.435	11.05	PSB	-	-	-	-
20	94.00	20	508.00	0.438	11.13	PSLB	-	-	-	-
	106.50			0.500	12.70	PSLB	-	-	-	-
	133.00			0.635	16.13	PSLB	-	-	-	-

5. FAQ of Casing Pipe of Grade K55

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:What's the material of Q325 steel pipe?: Q235 refers to the material yield stress of 235MPa carbon steel, because of its low price, good machining and welding performance, it is generally used for welding structural parts. Of course, the unimportant parts can be used for it.

Q:What are the different types of valves used with steel pipes?: There are several types of valves commonly used with steel pipes, including ball valves, gate valves, globe valves, check valves, and butterfly valves. These valves serve different purposes and have various designs, such as quarter-turn operation for ball valves, wedge-shaped gates for gate valves, and disc-shaped elements for butterfly valves. Each type of valve offers specific advantages and is selected based on the application requirements and the flow control needs of the steel pipe system.

Q:How are steel pipes used in the manufacturing industry?: Steel pipes are commonly used in the manufacturing industry for various purposes such as transporting fluids and gases, providing structural support, and facilitating the flow of materials in industrial processes. They are essential for conveying liquids and gases over long distances or within manufacturing plants, ensuring efficient and reliable transportation. Additionally, steel pipes are utilized in the construction of infrastructure, machinery, and equipment, serving as a robust and durable component. Overall, steel pipes play a crucial role in the manufacturing industry due to their versatility, strength, and ability to withstand high pressure and temperature conditions.

Q:Are steel pipes resistant to earthquakes?: Steel pipes are generally considered to be more resistant to earthquakes compared to other materials such as concrete or PVC pipes. This is due to the inherent properties of steel, which include its high tensile strength and flexibility. During an earthquake, steel pipes can absorb and distribute the seismic energy more effectively, allowing them to better withstand the shaking and ground movements. Additionally, steel pipes have the ability to deform without rupturing or collapsing, minimizing the risk of structural failure. However, it is important to note that the earthquake resistance of steel pipes ultimately depends on various factors such as the design, installation, and overall structural integrity of the piping system. Proper engineering and construction practices should be followed to ensure the highest level of earthquake resistance for steel pipes.

Q:What are the quality control measures for steel pipe manufacturing?: Quality control measures for steel pipe manufacturing typically include: 1. Raw material inspection: Ensuring that the steel used for manufacturing pipes meets the required specifications and standards. 2. Dimensional checks: Verifying the outer diameter, wall thickness, and length of the pipes to ensure they meet the specified tolerances. 3. Visual inspection: Examining the surface of the pipes for any defects, such as cracks, pits, or corrosion, that could impact their quality or performance. 4. Mechanical testing: Conducting tests, such as tensile strength, yield strength, and hardness tests, to assess the mechanical properties of the pipes. 5. Non-destructive testing (NDT): Employing techniques like ultrasonic testing, magnetic particle inspection, or radiography to detect internal defects or flaws in the pipes without damaging them. 6. Welding inspection: Assessing the quality and integrity of welds used in joining pipe sections together, ensuring they meet the required standards. 7. Coating inspection: Checking the applied protective coatings for uniformity, adhesion, and resistance to corrosion or other environmental factors. 8. Pressure testing: Subjecting a sample of pipes to a hydraulic or pneumatic pressure test to verify their ability to withstand the intended operating conditions without leakage or failure. 9. Packaging and labeling: Ensuring proper packaging and labeling of the pipes, including identification of grade, size, and other relevant details, to facilitate easy identification and handling. 10. Documentation: Maintaining comprehensive records of all quality control activities, including test results, inspection reports, and certifications, for traceability and quality assurance purposes.

Q:Can steel pipes withstand high temperatures?: Yes, steel pipes can withstand high temperatures. Steel is a strong and durable material that has high heat resistance. It can retain its strength and structural integrity even when exposed to extreme heat, making it suitable for various high-temperature applications such as industrial furnaces, power plants, and steam pipelines.

Q:How are steel pipes protected against external moisture?: Steel pipes are protected against external moisture through a variety of methods. One common method is the application of a protective coating or paint on the surface of the pipes. This coating acts as a barrier, preventing moisture from coming into direct contact with the steel. The coating can be made of different materials, such as epoxy, polyethylene, or zinc, depending on the specific requirements and environment. Another method of protection is through the use of corrosion inhibitors. These inhibitors are added to the internal or external surfaces of the pipes, forming a protective layer that prevents moisture from causing corrosion. Corrosion inhibitors can be in the form of chemicals, such as rust converters or rust preventatives, which react with the steel to form a protective barrier. Additionally, steel pipes can be protected against external moisture through cathodic protection. This technique involves the use of sacrificial anodes or impressed current to create an electric current that protects the steel. Sacrificial anodes, typically made of zinc, aluminum, or magnesium, are attached to the steel pipes and corrode over time instead of the steel, thus preventing moisture-induced corrosion. Furthermore, proper insulation and waterproofing measures are crucial in protecting steel pipes from external moisture. Insulation materials, such as foam or tape, are applied to the pipes to provide an additional layer of protection and prevent moisture infiltration. Waterproofing measures, such as the use of sealants or membranes, can also be implemented to ensure that no moisture seeps into the pipes. Regular maintenance, including inspections and repairs, is essential to ensure the continued protection of steel pipes against external moisture. By promptly addressing any areas of damage or corrosion, the integrity of the protective measures can be maintained, prolonging the lifespan of the steel pipes and preventing costly repairs or replacements in the future.

Q:What is the difference between hot dip galvanized steel pipe and galvanized steel pipe?: The difference between the process is that the hot dip galvanized pipe is dipped in the molten zinc bath and the galvanized pipe is plated with a metallic surface by means of unidirectional current in the plating bath. Hot plating process is fast, the coating is thick and consumes more zinc. Ordinary galvanized slow speed, thin coating.

Q:Can steel pipes be bent or curved?: Yes, steel pipes can be bent or curved using specialized machinery and techniques such as cold bending, induction bending, or hot bending.

Q:What are the different grades of steel used for pipes?: There are several different grades of steel used for pipes, each with their own specific properties and applications. Some of the most commonly used grades include: 1. Carbon Steel: This is the most common type of steel used for pipes and is typically used in low-pressure applications. It has a low carbon content, usually less than 0.30%, which makes it easy to weld and form. Carbon steel pipes are durable and cost-effective, making them suitable for a wide range of industries. 2. Stainless Steel: Stainless steel pipes are known for their corrosion resistance and high strength. They are made from an alloy of iron and chromium, with additional elements like nickel and molybdenum to enhance their properties. Stainless steel pipes are commonly used in industries such as chemical, food processing, and oil and gas, where corrosion resistance is crucial. 3. Alloy Steel: Alloy steel pipes are made by adding elements such as manganese, chromium, or nickel to carbon steel. This enhances their strength, hardness, and resistance to wear, making them suitable for high-pressure and high-temperature applications. Alloy steel pipes are commonly used in industries such as power generation, petrochemical, and aerospace. 4. Duplex Steel: Duplex steel is a type of stainless steel that contains a combination of austenite and ferrite phases. This results in a material with excellent strength, corrosion resistance, and toughness. Duplex steel pipes are commonly used in offshore oil and gas platforms, as well as in chemical and petrochemical industries. 5. Low-Temperature Steel: Low-temperature steel is designed to withstand extremely cold temperatures without becoming brittle. These pipes are typically used in industries such as cryogenic storage, LNG (liquefied natural gas) transportation, and refrigeration. It is important to select the appropriate grade of steel for a specific application to ensure the pipe's performance and longevity. Factors such as temperature, pressure, corrosion resistance, and cost should be considered when choosing the grade of steel for pipes.

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