seamless carbon steel pipe API 5CT oil casing tube

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 60000 m.t./month

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Specifications

Oil Casing Steel Pipe
1.Steel grade: J55 K55 N80-1 N80-Q L80 P110 ;
2.Size: Tubing 2 3/8" - 4 1/2" ;
3.length:R1,R2,R3 .

Technical data

Outsider Diameter		Wall Thickness		Grade	Thread
Inch	mm	kg/m	1b/ft	J55/K55/N80/L80/P110	STC/LTC/BTC
4 1/2”	114.3	14.14-22.47	9.50-15.10	J55/K55/N80/L80/P110	STC/LTC/BTC
5”	127	17.11-35.86	11.50-24.10	J55/K55/N80/L80/P110	STC/LTC/BTC
5 1/2”	139.7	20.83-64.14	14.00-43.10	J55/K55/N80/L80/P110	STC/LTC/BTC
6 5/8”	168.28	29.76-47.62	20.00-32.00	J55/K55/N80/L80/P110	STC/LTC/BTC
7”	177.8	25.30-84.98	17.00-57.10	J55/K55/N80/L80/P110	STC/LTC/BTC
7 5/8”	193.68	35.72-82.30	24.00-55.30	J55/K55/N80/L80/P110	STC/LTC/BTC
8 5/8”	219.08	35.72-72.92	24.00-49.00	J55/K55/N80/L80/P110	STC/LTC/BTC
9 5/8”	244.48	48.07-112.51	32.30-75.60	J55/K55/N80/L80/P110	STC/LTC/BTC
10 3/4”	273.05	48.74-126.94	32.75-85.30	J55/K55/N80/L80/P110	STC/LTC/BTC
11 3/4”	298.45	6250-105.66	42.0-71.00	J55/K55/N80/L80/P110	STC/LTC/BTC
13 3/8”	339.73	71.43-107.15	48.00-72.00	J55/K55/N80/L80/P110	STC/LTC/BTC
16”	406.40	96.73-162.21	65.00-109.00	J55/K55/N80/L80/P110	STC/LTC/BTC
18 5/8”	473.08	130.22	87.50	J55/K55/N80/L80/P110	STC/LTC/BTC
20”	508.00	139.89-197.93	94.00-133.00	J55/K55/N80/L80/P110	STC/LTC/BTC

API Oil Casing Pipe can be used for oil pipeline, oil natural gas, industrial gas, water transportation etc.

Packing Details:

Single with bubble bag and then in wooden case(fumigation certificate). Each case is clearly marked with:

1.Name & identification mark of manufacturer-HuaDong Brand

2. Batch number

3. Date of manufacturer

4. Material

5. Safe heating & application temperature

Q:What are the different standards for steel pipes?: There are several different standards for steel pipes that are used to ensure quality and compatibility in various applications. Some of the most commonly used standards include: 1. ASTM (American Society for Testing and Materials): ASTM standards are widely used in the United States and provide specifications for various types of steel pipes, including seamless and welded pipes. These standards cover dimensions, mechanical properties, and general requirements for steel pipes. 2. API (American Petroleum Institute): API standards are specifically designed for oil and gas industry applications. These standards provide guidelines for the manufacturing, testing, and inspection of steel pipes used in the oil and gas exploration, production, and transportation sectors. 3. DIN (Deutsches Institut für Normung): DIN standards are widely used in Europe and provide specifications for various steel pipe types, including seamless, welded, and cast iron pipes. These standards cover dimensions, materials, and technical delivery conditions for steel pipes used in various industries. 4. BS (British Standards): BS standards are widely used in the United Kingdom and cover specifications for steel pipes used in construction, engineering, and other applications. These standards provide guidelines for dimensions, materials, and manufacturing processes for steel pipes. 5. JIS (Japanese Industrial Standards): JIS standards are widely used in Japan and cover specifications for various steel pipe types, including seamless, welded, and cast iron pipes. These standards provide guidelines for dimensions, materials, and technical delivery conditions for steel pipes used in various industries. 6. ISO (International Organization for Standardization): ISO standards are recognized globally and provide specifications for steel pipes used in various industries. These standards cover dimensions, materials, testing, and quality control requirements for steel pipes. It is important to note that different industries and applications may have specific requirements, and therefore, it is essential to refer to the relevant standard for each specific use case. Adhering to these standards ensures the safety, reliability, and compatibility of steel pipes in their respective applications.

Q:What are the factors to consider when selecting steel pipes?: When selecting steel pipes, there are several factors that need to be considered. These factors include the intended application, the required dimensions and specifications, the level of corrosion resistance needed, the operating temperature and pressure, the cost, and the availability of the specific type of steel pipe. It is important to carefully evaluate these factors to ensure that the selected steel pipes are suitable for the intended use and meet all the necessary requirements.

Q:What are the different types of coatings applied to steel pipes?: There are several types of coatings that can be applied to steel pipes. Some common ones include fusion-bonded epoxy (FBE) coating, polyethylene (PE) coating, polypropylene (PP) coating, and zinc coating. These coatings serve various purposes such as corrosion protection, insulation, and enhancing the pipe's durability.

Q:Can steel pipes be used for wastewater systems?: Yes, steel pipes can be used for wastewater systems. Steel pipes have been widely used in wastewater systems due to their durability, strength, and resistance to corrosion. They are capable of withstanding high pressure and can effectively carry and transport wastewater over long distances. Additionally, steel pipes can be easily welded, allowing for the creation of a seamless pipeline system that minimizes the risk of leakage. Moreover, steel pipes are environmentally friendly as they can be recycled, making them a sustainable choice for wastewater systems. However, it is important to consider the specific requirements of the wastewater system and consult with experts to determine the most suitable material for the project.

Q:What is the difference between black steel pipe and galvanized steel pipe?: The main difference between black steel pipe and galvanized steel pipe lies in their coating. Black steel pipe is untreated and has a dark, matte appearance, while galvanized steel pipe is coated with a layer of zinc to prevent rusting and has a silver, shiny appearance. This coating makes galvanized steel pipes more durable and suitable for outdoor use, while black steel pipes are commonly used for indoor plumbing and gas lines.

Q:Is the PVC tube a plastic tube or a plastic tube?.: It's plastic tubePolyvinyl chloride (Poly, Vinyl, Chloride, PVC)PVC is a VCM monomer (vinyl, chloride, monomer), in peroxide, azo compounds and other initiators;

Q:What are the safety precautions for handling steel pipes?: Some safety precautions for handling steel pipes include wearing appropriate personal protective equipment such as gloves, safety glasses, and steel-toed boots. It is also important to use proper lifting techniques to prevent strain or injury, as steel pipes can be heavy. Additionally, ensuring a clear and organized workspace, as well as securing the pipes properly during transportation, can help prevent accidents or damage.

Q:What are the different methods of cleaning steel pipes?: There are several methods of cleaning steel pipes, including mechanical cleaning, chemical cleaning, and high-pressure water jetting. Mechanical cleaning involves using wire brushes, scrapers, or sandpaper to physically remove debris and rust from the pipe's surface. Chemical cleaning involves using solvents or acids to dissolve contaminants and rust, followed by flushing the pipe with water. High-pressure water jetting uses a stream of water at high pressure to remove dirt, rust, and other deposits from the pipe's interior and exterior surfaces.

Q:What are the different methods of repairing damaged steel pipes?: There are several methods for repairing damaged steel pipes, including welding, epoxy coatings, pipe wrapping, and pipe lining. Welding involves fusing the damaged sections of the pipe using heat and specialized equipment. Epoxy coatings are applied to the damaged area to create a protective layer and restore the pipe's integrity. Pipe wrapping involves applying specialized tapes or wraps around the damaged area to provide structural support. Pipe lining involves inserting a new pipe into the damaged one, creating a seamless and durable solution. The appropriate method depends on the extent and location of the damage, as well as other factors such as cost and time constraints.

Q:How are steel pipes inspected for quality?: Steel pipes are inspected for quality through a rigorous process that involves various techniques and standards. One common method is visual inspection, where trained professionals examine the pipes for any visible defects such as cracks, dents, or surface irregularities. This visual inspection ensures that the pipes meet the required specifications and are free from any visible flaws. Additionally, non-destructive testing (NDT) methods are employed to evaluate the internal and external quality of the steel pipes. One widely used NDT technique is ultrasonic testing, which involves sending ultrasonic waves through the pipes to detect any internal defects or inconsistencies in the material. This method can identify issues like wall thickness variations, inclusions, or weld defects that may compromise the pipe's integrity. Another popular NDT technique is magnetic particle inspection, which uses magnetic fields and iron particles to identify surface cracks or flaws in the steel pipes. This method is particularly effective for detecting defects in ferromagnetic materials and can be performed on both the outside and inside surfaces of the pipes. Furthermore, hydrostatic testing is often conducted to evaluate the pipes' strength and resistance to pressure. In this process, the pipes are filled with water or another suitable fluid and subjected to a specified pressure to check for leaks or structural weaknesses. This test helps ensure that the pipes are capable of withstanding the intended operational conditions without failure. In addition to these techniques, various quality control measures are implemented throughout the manufacturing process, including material traceability, dimensional checks, and chemical composition analysis. These measures help guarantee that the steel pipes meet the required standards and specifications, ensuring their quality and reliability. Overall, the inspection of steel pipes for quality involves a combination of visual inspection, non-destructive testing methods, and quality control measures. These comprehensive procedures help identify any defects, inconsistencies, or weaknesses, ensuring that the pipes meet the necessary quality standards and are fit for their intended purpose.

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