API 5CT J55
TUSPIPE’s API 5CT J55 casing meets the chemical and mechanical performance requirements of the API 5CT standard and is a widely used entry product in conventional and shallow well development. Its stable quality and reliable performance provide solid support for customers’ foundation wellbore construction.
API 5CT J55
The American Petroleum Institute specification API 5CT J55 Pipe is designed for use in the oil and gas industry. API 5CT J55 is a commonly used petroleum casing pipe material. It is produced according to the API 5CT standard and used in a variety of well types, both oil and natural gas. The main purposes of using casing or tubing are to protect the wellbore from collapse and to provide a conduit for well fluids. The casing is placed in the well first, followed by tubing, which is often smaller in diameter and thus can be nested inside the casing. Both casing and tubing must be made from strong materials that can withstand the high pressures and temperatures encountered deep underground. API 5CT J55 meets these requirements and is, therefore, an excellent choice for 油井管 (oil country tubular goods) applications. It is typically produced as seamless steel pipe, but can also be procured in welded form. API 5CT J55 has a relatively high yield strength and good fatigue resistance, making it an ideal choice for high-pressure, high-load applications such as petroleum products. Thanks to its versatility and affordability, API 5CT J55 is one of the most popular steel grades used in OCTG applications today.
タスパイプを選ぶ理由
1998年以来、天津聯合鋼管有限公司(TUSPIPE)は高品質のラインパイプの供給に尽力しています。
年間生産能力は50万トンを超え、石油・ガス開発、送電、船舶・自動車建造、水・電気、環境保護、機械工学、インフラ建設など、さまざまな分野・業界にサービスを提供している。
TUSPIPEは製品の品質を重視し、厳格な品質管理を行っている。製品の品質を維持するため、2004年から試験検査センターを設立しました。最新の試験・検査設備を備え、引張試験、水力試験、衝撃試験、DWTTなどを実施することができます。
The applications of API 5CT J55 casing and tubing
API 5CT J55 casing and tubing are used in a variety of well applications for the petroleum industry. The J55 casing pipe is a relatively common one in oil and gas drilling. Its relatively affordable price point and its ability to protect the well make it a popular choice among well operators. The J55 tubing is similarly well suited for petroleum operations. Its steel makeup gives it greater strength and durability than some of the other options on the market, making it ideal for high-pressure applications. When used together, API 5CT J55 casing and tubing provide an economical and reliable solution for well operators.
Chemical Composition of API 5CT J55
| グレード | タイプ | C | ムン | モ | Cr | Ni max. | Cu max. | P max. | S max. | Si max. | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 分。 | マックスだ。 | 分。 | マックスだ。 | 分。 | マックスだ。 | 分。 | マックスだ。 | |||||||
| J55 | - | - | - | - | - | - | - | - | - | - | - | 0.03% | 0.03% | - |
Mechanical Analysis of API 5CT J55
| 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 | マックスだ。 | ||
| API SPEC 5CT | J55 | ≥517 | 379 ~ 552 | —- |
API 5CT J55 Casing & Tubing Specifications
- Specification & Size of API 5CT J55 Casing and Tubing
| Code a | 外径 | Nominal Weight | 壁厚 | End Processing Type | |
|---|---|---|---|---|---|
| (with thread and coupling) b, c | |||||
| mm | kg/m | mm | J55 | ||
| インチ | 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. | |||||
Test and inspection of API 5ct j55 pipes
- 静水圧試験
Hydrostatic testing is a necessary step in the pipeline production process. It is used to test the water-tightness of weld seams and the pipe body itself. The test is conducted by filling the pipe with water and applying pressure. If there are any leaks, they will be revealed by this process. Hydrostatic testing is an important quality control measure that helps to ensure the safety and integrity of pipelines.
- 曲げテスト
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 fractures. This helps to ensure that the pipe can withstand the stress of being bent without cracking. The results of the bend test can also be used to assess the quality of the welds, as well as the overall strength of the metal. As such, it is an important test for any company that manufactures or uses welded pipes.
- 平坦化テスト
The flattening test is a quality control test used in the manufacture of pipelines. The 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 flatting test is an important indicator of the overall quality of the pipe and its ability to withstand stresses during operation. The results of the test can be used to adjust the manufacturing process to ensure that the pipes produced to meet the required standards.
- CVN衝撃テスト
In order to ensure the mechanical properties of pipeline steels, an impact test is usually performed. The test is conducted by freezing a sample of the steel to an extreme tempureture under 0℃ (32℉). The tempureture at which the sample breaks is then used to determine the steel’s impact strength. There are three main areas that are tested: the pipe body, the weld seam, and the heat-affected zone. By testing all three areas, manufacturers can be sure that their pipelines will be able to withstand whatever conditions they may encounter.
- DWTT
In the production of pipelines, DWTT is an impact test that is used to determine the strength of the pipeline material. It is usually performed on large diameter pipelines, and the results are used to determine the impact strength of the material. The impact strength of the material is important for determining the impact resistance of the pipeline. DWTT is performed by impact testing the material with a weight that is dropped from a height onto the pipeline material. The impact strength of the material is determined by measuring the amount of deformation that occurs during the impact. DWTT is an important test for pipeline production because it helps to ensure that the pipeline material can withstand the impact of being dropped from a height.
