API 5CT J55
Gnee provides high quality API 5CT J55 casing pipe. Our products features the necessary strength and durability. We standardizes production according to API specifications, ensuring consistency in quality, size, and performance. Gnee is a one-stop choice of products.
General Parameters Of API 5CT J55 Steel Casing And Tubing
| Product | API 5CT J55 Steel Casing Pipe |
| Standard | API 5CT |
| O. D | 26.67-508mm |
| W. T | 2.87-16.13mm |
| Length | R1(5.49-6.71m),R2(8.23-9.14m),R3(11.58-13.72m) |
| Surface | 1. Black Painted 2. With oil 3. Bared or as per customers’ requirement |
| Origin | China |
| Monthly Output | 20 million-30 million pieces per month |
| Applications | Used for Oil and Gas Wells, Casing String, Hydraulic Fracturing, Geothermal Wells |
| Thread type | SC(Short round thread), LC(Long round thread), BC(Buttress thread) |
| Test And Inspection | API 5CT Hydrostatic Test, API 5CT Bend Test, API 5CT Flattening Test, API 5CT CVN Impact Test, etc. |
| Ending Processing | Pipe Flat End Machining, API 5CT Non-Threaded Connection, Threaded Connection, Special Threaded Connections, etc. |
More information About API 5CT J55 Steel Pipe Casing
| Grade | Type | C | Mn | Mo | Cr | Ni max. | Cu max. | P max. | S max. | Si max. | ||||
| min. | max. | min. | max. | min. | max. | min. | max. | |||||||
| J55 | – | – | – | – | – | – | – | – | – | – | – | 0.03 | 0.03 | – |
| API 5CT Casing Pipe Standard | API 5CT Casing Pipe Type | API 5CT Casing Pipe Tensile Strength | API 5CT Casing Pipe Yield Strength | API 5CT Casing Pipe Hardness |
| MPa | MPa | Max. | ||
| API SPEC 5CT | J55 | ≥517 | 379 ~ 552 | — |
API 5CT J55 Casing & Tubing Specifications
| Code a | Outer Diameter | Nominal Weight | Wall Thickness | End Processing Type | |
| (with thread and coupling) b, c | |||||
| mm | kg/m | mm | J55 | ||
| Inch | Lb/ft | K55 | |||
| 1 | 2 | 3 | 4 | 5 | 7 |
| 9 5/8 | 32.3 | 244.48 | 48.07 | 7.92 | – |
| 9 5/8 | 36 | 244.48 | 53.57 | 8.94 | SLB |
| 9 5/8 | 40 | 244.48 | 59.53 | 10.03 | SLB |
| 9 5/8 | 43.5 | 244.48 | 64.73 | 11.05 | – |
| 9 5/8 | 47 | 244.48 | 69.94 | 11.99 | – |
| 9 5/8 | 53.5 | 244.48 | 79.62 | 13.84 | – |
| 9 5/8 | 58.4 | 244.48 | 86.91 | 15.11 | – |
| 10 3/4 | 32.75 | 273.05 | 48.74 | 7.09 | – |
| 10 3/4 | 40.5 | 273.05 | 60.27 | 8.89 | SB |
| 10 3/4 | 45.5 | 273.05 | 67.71 | 10.16 | SB |
| 10 3/4 | 51 | 273.05 | 75.9 | 11.43 | SB |
| 10 3/4 | 55.5 | 273.05 | 82.59 | 12.57 | – |
| 10 3/4 | 60.7 | 273.05 | 90.33 | 13.84 | – |
| 10 3/4 | 65.7 | 273.05 | 97.77 | 15.11 | – |
| 11 3/4 | 42 | 298.45 | 62.5 | 8.46 | – |
| 11 3/4 | 47 | 298.45 | 69.94 | 9.53 | SB |
| 11 3/4 | 54 | 298.45 | 80.36 | 11.05 | SB |
| 11 3/4 | 60 | 298.45 | 89.29 | 12.42 | SB |
| 13 3/8 | 48 | 339.72 | 71.43 | 8.38 | – |
| 13 3/8 | 54.5 | 339.72 | 81.1 | 9.65 | SB |
| 13 3/8 | 61 | 339.72 | 90.78 | 10.92 | SB |
| 13 3/8 | 68 | 339.72 | 101.19 | 12.19 | SB |
| 13 3/8 | 72 | 339.72 | 107.15 | 13.06 | – |
| 16 | 65 | 406.4 | 96.73 | 9.53 | – |
| 16 | 75 | 406.4 | 111.61 | 11.13 | SB |
| 16 | 84 | 406.4 | 125.01 | 12.57 | SB |
| 18 5/8 | 87.5 | 473.08 | 130.21 | 11.05 | SB |
| 20 | 94 | 508 | 139.89 | 11.13 | SLB |
| 20 | 106.5 | 508 | 158.49 | 12.7 | SLB |
| 20 | 133 | 508 | 197.93 | 16.13 | SLB |
| S-Short round thread, L-Long round thread, B-Buttress thread | |||||
| a. Code is used for ordering reference. | |||||
| b. The nominal weight of threaded and coupled casing (column 2) is shown for reference only. | |||||
4 Common Tests And Inspection Of API 5CT J55
Hydrostatic Test
The purpose of the hydrostatic test is to check the tightness of the welded joints and the pipe itself. It is an essential step in the pipe manufacturing process. To perform this test, the pipe is filled with water and pressure is applied. If there are any leaks in the pipe, this process will expose them. Hydrostatic testing is an important quality control measure that helps ensure the safety and integrity of the pipeline.
Flattening Test
The flattening test is a quality control test used in the manufacture of pipelines. This test is performed to determine the resistance of the pipe material to longitudinal and circumferential cracking, as well as to assess the deformation characteristics of the pipe under stress. The flattening test is an important indicator of the overall quality of the pipe and its ability to withstand stresses during operation. The test results can be used to adjust the manufacturing process to ensure that the pipe produced meets the required standards.
Bend Test
The bend test is a critical quality assurance test for welded metal pipes. The test involves taking a sample of the pipe and applying a systematic force to it until it breaks. This helps to ensure that the pipe can withstand the bending stresses without cracking. The results of the bending test can also be used to assess the quality of the weld as well as the overall strength of the metal. This makes it an important test for any company that manufactures or uses welded pipes.
CVN Impact Test
In order to ensure the mechanical properties of pipeline steels, impact tests are usually performed. The tests are performed by freezing steel samples to extreme temperatures below 0°C (32°F). The temperature at which the sample breaks is then used to determine the impact strength of the steel. The test consists of three main areas: the pipe body, the weld seam, and the heat-affected zone. By testing these three zones, manufacturers can ensure that their pipes can withstand any conditions they may encounter.
Why Choose Gnee As API 5CT J55 Seamless Casing Tubing Distributor?
In addition, our tubes have been successfully exported to more than 60 countries such as Vietnam, Malaysia, Indonesia, Pakistan, UAE, and South Korea, etc. Many regular customers visit our company and factory and make multiple orders.
What Services Does Gnee Provide?
Gnee can provide the following measurement services for pipe:
1. Dimensional measurement: Measure the dimensional parameters such as length, width, and thickness by measuring instruments to ensure the pipe is qualified and meets the design requirements.
2. Surface measurement: Measure parameters such as flatness, unevenness, and surface roughness of pipe surface to help ensure that the quality and surface state of the pipe meet the requirements.
3. Thickness measurement: Use a thickness measuring instrument to accurately measure the thickness of the pipe to ensure that it meets the design requirements.
4. Material measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the product to ensure that the quality and performance meet the requirements.
5. Bending and Deformation Measurements: The degree of bending and deformation of the steel pipe is measured and monitored by using tools such as bending measuring instruments and displacement sensors to ensure that it is within the allowable range.
Gnee can customize the size and shape of steel pipes for your project according to specific project needs. The custom design of the pipe is carried out by a professional engineer and design team. Based on the requirements and constraints of the project, they will use calculation and simulation tools, combined with experience and technical knowledge, to optimize the steel pipe design to meet the specific needs of your engineering.
● According to the strength requirements of structural design, adjust the thickness, width, and length of pipes.
● The shape of the steel pipe can be designed according to the characteristics of the project.
● If you consider the convenience of installation and maintenance, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.
Purchasing Gnee steel pipe can provide the following deep processing services. We can customize according to the specific needs of customers to meet the requirements.
Cutting service: Pipe can be custom cut to obtain the desired shape and size according to the needs of customers. For example, flame cutting, plasma cutting, laser cutting, etc., can cut steel pipes into required blocks, special-shaped parts.
Bending and forming: Pipes are bent and formed by stress application and appropriate processes to obtain the desired shape.
Welding service: Pipe can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Turning and machining of holes: Turning and machining of holes in pipes by using machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface treatment: In order to improve the corrosion resistance and aesthetics of the steel pipe, surface treatment can be carried out. This includes methods such as spraying, hot-dip galvanizing, electroplating, etc. to add a protective layer and provide corrosion resistance.
Gnee can provide the following testing services through third-party testing agencies. These third-party testing services can provide independent, objective verification that pipes comply with relevant standards and regulations.
Material chemical composition analysis: Through chemical composition analysis, determine whether the composition of the steel pipe meets the standard requirements.
Mechanical performance test: Mechanical performance test includes tensile test, impact test, bending test, etc., which are used to determine whether the mechanical properties such as strength, toughness and ductility of products meet the specified requirements.
Metallographic testing: Through metallographic testing, check the structure, grain size, non-metallic inclusions, etc. of pipes to evaluate their quality and performance.
Corrosion performance test: Through the corrosion performance test, evaluate the corrosion resistance of pipes, including salt spray corrosion resistance, chemical corrosion resistance, etc.
Hardness test: Hardness test is used to measure the hardness of pipe, and its strength and wear resistance can be evaluated according to the hardness value.
Ultrasonic flaw detection: Ultrasonic flaw detection is used to detect internal defects of pipes, such as cracks, pores, inclusions, etc.
