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Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Standard-Wall Steel Pipe Nipples and Pipe
with Right-Hand and Left-Hand Threads

- For Use With: Air, Steam, Oil, Water, Natural Gas
- Specifications Met: ASTM A733, ASME B1.20.1, ASTM A53
- Fittings: Use Class 125 or 150 iron and steel
Pipe has clockwise (right-hand) threads on one end and counterclockwise (left-hand) threads on the other end. When you use a wrench to turn, connections on both ends tighten at the same time. Also known as Schedule 40, this pipe is designed for low-pressure applications. It is welded, so there is a weld bead on the inside. Use in noncorrosive environments.
For technical drawings and 3-D models, click on a part number.
4" Lg. | 6" Lg. | |||||
---|---|---|---|---|---|---|
Pipe Size | Thread Type | Material | Each | Each | ||
1/8 | NPT | Steel | 00000000 | 000000 | 00000000 | 000000 |
1/4 | NPT | Steel | 00000000 | 00000 | 00000000 | 00000 |
3/8 | NPT | Steel | 00000000 | 00000 | 00000000 | 00000 |
1/2 | NPT | Steel | 00000000 | 00000 | 00000000 | 00000 |
3/4 | NPT | Steel | 00000000 | 00000 | 00000000 | 00000 |
1 | NPT | Steel | 00000000 | 00000 | 00000000 | 00000 |
1 1/2 | NPT | Steel | 00000000 | 00000 | 00000000 | 00000 |
2 | NPT | Steel | 00000000 | 00000 | 00000000 | 00000 |