Casing Nipple Chart
Casing Nipple
The Casing Nipple Chart provides an overview of the accurate measurement of casing nipples for oil pipe and steel grade. Having knowledge about this topic is helpful, as it gives information on what type to use for different purposes.
Typically, a casing nipple has threads on both ends that are made of a straight pipe. These are considered a prominent category of pipe fittings. Moreover, these fittings permit plumbing to be connected to a heater or other kinds of plumbing.
Casing Nipple Types
Most of the time, people confuse casing nipple for a pipe coupling or vice versa. To prevent further confusion, a pipe coupling is an outer joint and has a female thread on both ends. Casing nipples have male threads on each side.
Casing nipples have different types such as the following:
Weld Nipple
These are preferred for situations under extreme conditions of pressure surges, vibrations, and alterations in temperature.
Swage Nipple
Its fundamental function includes allowing the flow of fluid from connecting pipes. These are available with threaded ends, beveled, or plain.
Barrel Nipple
It is a short tubular nipple along with tapered threads on its ends and is un-threaded in the middle.
Casing Nipple Benefits
Opting for casing nipple offers a lot of advantages. These fittings make a pipe permanently leak-proof which increases the efficiency of the entire system. Also, there is a decrease in turbulence and pressure as the inner surface of the pipe is smooth. These fittings are known to use space more efficiently in contrast with other connecting procedures.
Casing Nipples Chart
| NPS | DN Size | NPS (wt) | DN Weight | Steel Grade | |
|---|---|---|---|---|---|
| wdt_ID | NPS | DN Size | NPS (wt) | DN Weight | Steel Grade |
| 1 | 4-1/2 | 114 | 10.50 | 15.70 | K |
| 2 | 11.60 | 17.36 | K-N-P | ||
| 3 | 5 | 125 | 11.50 | 17.36 | K |
| 4 | 13.00 | 19.47 | K | ||
| 5 | 15.00 | 22.44 | K-N-P | ||
| 6 | 18.00 | 26.93 | N-P | ||
| 7 | 5-1/2 | 140 | 14.00 | 20.98 | K |
| 8 | 15.50 | 23.20 | K | ||
| 9 | 17.00 | 25.44 | K-N-P | ||
| 10 | 20.00 | 29.93 | N-P | ||
| 11 | 6-5/8 | 168 | 20.00 | 29.93 | K |
| 12 | 24.00 | 35.94 | K-N-P | ||
| 13 | 28.00 | 41.91 | N-P | ||
| 14 | 7 | 175 | 20.00 | 29.93 | K |
| 15 | 23.00 | 34.42 | K-N | ||
| 16 | 26.00 | 38.91 | K-N-P | ||
| 17 | 29.00 | 43.40 | N-P | ||
| 18 | 7-5/8 | 194 | 26.40 | 39.50 | K-N |
| 19 | 29.70 | 44.45 | N-P | ||
| 20 | 8-5/8 | 219 | 24.00 | 35.94 | K |
| 21 | 32.00 | 47.88 | K | ||
| 22 | 36.00 | 53.89 | K-N-P | ||
| 23 | 44.00 | 65.87 | N-P | ||
| 24 | 49.00 | 73.36 | N-P | ||
| 25 | 9-5/8 | 245 | 36.00 | 53.89 | K |
| 26 | 40.00 | 59.86 | K-N | ||
| 27 | 43.50 | 65.11 | N-P | ||
| 28 | 47.00 | 70.36 | N-P | ||
| 29 | 10-3/4 | 273 | 40.50 | 60.62 | K |
| 30 | 45.50 | 68.11 | K | ||
| 31 | 55.50 | 83.06 | N-P | ||
| 32 | 11-3/4 | 298 | 60.00 | 89.83 | K |
| 33 | 13-3/8 | 340 | 54.50 | 81.58 | K |
| 34 | 61.00 | 91.31 | K | ||
| 35 | 68.00 | 101.77 | K | ||
| 36 | 72.00 | 107.78 | K | ||
| 37 | 16 | 400 | 75.00 | 112.27 | K |
| 38 | 84.00 | 125.73 | K |
Casing Nipples Chart
| NPS | DN Size | NPS (wt) | DN Weight | Steel Grade | |
|---|---|---|---|---|---|
| wdt_ID | NPS | DN Size | NPS (wt) | DN Weight | Steel Grade |
| 1 | 4-1/2 | 114 | 10.50 | 15.70 | K |
| 2 | 11.60 | 17.36 | K-N-P | ||
| 3 | 5 | 125 | 11.50 | 17.36 | K |
| 4 | 13.00 | 19.47 | K | ||
| 5 | 15.00 | 22.44 | K-N-P | ||
| 6 | 18.00 | 26.93 | N-P | ||
| 7 | 5-1/2 | 140 | 14.00 | 20.98 | K |
| 8 | 15.50 | 23.20 | K | ||
| 9 | 17.00 | 25.44 | K-N-P | ||
| 10 | 20.00 | 29.93 | N-P | ||
| 11 | 6-5/8 | 168 | 20.00 | 29.93 | K |
| 12 | 24.00 | 35.94 | K-N-P | ||
| 13 | 28.00 | 41.91 | N-P | ||
| 14 | 7 | 175 | 20.00 | 29.93 | K |
| 15 | 23.00 | 34.42 | K-N | ||
| 16 | 26.00 | 38.91 | K-N-P | ||
| 17 | 29.00 | 43.40 | N-P | ||
| 18 | 7-5/8 | 194 | 26.40 | 39.50 | K-N |
| 19 | 29.70 | 44.45 | N-P | ||
| 20 | 8-5/8 | 219 | 24.00 | 35.94 | K |
| 21 | 32.00 | 47.88 | K | ||
| 22 | 36.00 | 53.89 | K-N-P | ||
| 23 | 44.00 | 65.87 | N-P | ||
| 24 | 49.00 | 73.36 | N-P | ||
| 25 | 9-5/8 | 245 | 36.00 | 53.89 | K |
| 26 | 40.00 | 59.86 | K-N | ||
| 27 | 43.50 | 65.11 | N-P | ||
| 28 | 47.00 | 70.36 | N-P | ||
| 29 | 10-3/4 | 273 | 40.50 | 60.62 | K |
| 30 | 45.50 | 68.11 | K | ||
| 31 | 55.50 | 83.06 | N-P | ||
| 32 | 11-3/4 | 298 | 60.00 | 89.83 | K |
| 33 | 13-3/8 | 340 | 54.50 | 81.58 | K |
| 34 | 61.00 | 91.31 | K | ||
| 35 | 68.00 | 101.77 | K | ||
| 36 | 72.00 | 107.78 | K | ||
| 37 | 16 | 400 | 75.00 | 112.27 | K |
| 38 | 84.00 | 125.73 | K |
Casing Nipple Abbreviations and Meaning
- N.P.S. – Nominal Pipe Size
- D.N. – Diameter Nominal
NPS
Nominal Pipe Size is an international standard from North America that designates the thickness and diameter of a pipe. It uses inches in measuring.
DN
Diameter Nominal is a European standard equivalent to NPS. It uses millimeters in measuring.
Steel Grade
It is a standard numbering system used to distinguish various types of steel that are based on their properties. The American Iron and Steel Institute and SAE made this system possible. At present, steel can be categorized into carbon or alloy with combinations such as iron, carbon, and other elements.
An example of steel grade is Steel Grade K. This is also known as Type VI—an alloy steel formulated in forming wrought products. This type is known to have moderately high tensile strength compared to other alloy steels in the same category.
Go here if you are looking for the Casing Size and Drift Chart.
