How to Identify and Measure Fittings
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 Butt-Weld Steel Unthreaded Pipe Fittings
Butt-weld fittings allow for a smooth connection that provides maximum flow. They have beveled ends that, when flush to pipe, create a trough for a strong, permanent weld. Fittings are also known as Schedule 40. They are for use in noncorrosive environments.
180° bend connectors are also known as U-bends.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Steam, Oil, Water, Natural Gas
- Specifications Met: ASTM A234, ASME B16.9
- Pipe Nipples and Pipe: Use Schedule 40 steel
- Flanges: Use Class 150 steel
Pipe Size | Wall Thickness | Construction | Each | |
| 3/4 | 0.113" | Seamless | 000000000 | 0000000 |
| 1 | 0.133" | Seamless | 000000000 | 000000 |
| 1 1/4 | 0.14" | Seamless | 000000000 | 000000 |
| 1 1/2 | 0.145" | Seamless | 000000000 | 000000 |
| 2 | 0.154" | Seamless | 000000000 | 000000 |
| 2 1/2 | 0.203" | Seamless | 000000000 | 000000 |
| 3 | 0.216" | Seamless | 000000000 | 000000 |
| 4 | 0.237" | Seamless | 000000000 | 000000 |
| 6 | 0.28" | Seamless | 000000000 | 000000 |
Thick-Wall Butt-Weld Steel Unthreaded Pipe Fittings
With thicker, stronger walls than our standard-wall butt-weld pipe fittings, these fittings stand up to your high strength applications. Weld them flush against pipe for a smooth connection that permits maximum flow. These fittings have beveled ends that create a trough for a leak-resistant, permanent weld. Made of steel, they’re for use in noncorrosive environments.
180° bend connectors are also known as U-bends.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Steam, Oil, Water, Natural Gas
- Specifications Met: ASTM A234
- Pipe Nipples and Pipe: Use Schedule 80 steel
- Flanges: Use Class 300 steel