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 Stainless Steel
Threaded Pipe Nipples and Pipe
Designed for low-pressure flow applications, this pipe is also known as Schedule 40.
304 stainless steel pipe offers very good corrosion resistance. 316 stainless steel pipe has excellent corrosion resistance.
Seamless pipe has a smooth interior for unrestricted flow and is stronger than welded pipe.
Welded pipe has a weld bead on the inside.
For technical drawings and 3-D models, click on a part number.
- For Use With: Natural Gas, Oil, Steam, Water, Air
- Specifications Met: ASTM A733, ASME B1.20.1
- Fittings: Use Class 150 stainless steel
- Flanges: Use Class 150 stainless steel
| Lg. | Construction | Each | |
1/8 Pipe Size  | |||
|---|---|---|---|
| 30" | Seamless | 0000000 | 000000 |
1/4 Pipe Size | |||
| 30" | Seamless | 00000000 | 00000 |
3/8 Pipe Size | |||
| 30" | Seamless | 00000000 | 00000 |
1/2 Pipe Size | |||
| 30" | Welded | 00000000 | 00000 |
3/4 Pipe Size | |||
| 30" | Welded | 00000000 | 00000 |
1 Pipe Size | |||
| 30" | Welded | 00000000 | 00000 |
1 1/4 Pipe Size | |||
| 30" | Welded | 00000000 | 00000 |
1 1/2 Pipe Size | |||
| 30" | Welded | 00000000 | 000000 |
2 Pipe Size | |||
| 30" | Welded | 00000000 | 000000 |
2 1/2 Pipe Size | |||
| 30" | Welded | 00000000 | 000000 |
3 Pipe Size | |||
| 30" | Welded | 0000000 | 000000 |
4 Pipe Size | |||
| 30" | Welded | 00000000 | 000000 |
- For Use With: Natural Gas, Steam, Oil, Water, Air
- Specifications Met: ASTM A733, ASME B1.20.1
- Fittings: Use Class 150 stainless steel
- Flanges: Use Class 150 stainless steel
| Lg. | Construction | Each | |
1/8 Pipe Size | |||
|---|---|---|---|
| 30" | Seamless | 00000000 | 000000 |
1/4 Pipe Size | |||
| 30" | Seamless | 00000000 | 00000 |
3/8 Pipe Size | |||
| 30" | Seamless | 00000000 | 00000 |
1/2 Pipe Size | |||
| 30" | Welded | 00000000 | 00000 |
3/4 Pipe Size | |||
| 30" | Welded | 00000000 | 00000 |
1 Pipe Size | |||
| 30" | Welded | 00000000 | 000000 |
1 1/4 Pipe Size | |||
| 30" | Welded | 00000000 | 000000 |
1 1/2 Pipe Size | |||
| 30" | Welded | 00000000 | 000000 |
2 Pipe Size | |||
| 30" | Welded | 00000000 | 000000 |
4 Pipe Size | |||
| 30" | Welded | 00000000 | 000000 |
Standard-Wall Steel Threaded Pipe Nipples and Pipe
Also known as Schedule 40, this pipe is designed for low-pressure applications. Use in noncorrosive applications.
Welded pipe has a weld bead on the inside.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Specifications Met: ASTM A733, ASME B1.20.1, ASTM A53
- Fittings: Use Class 125 or 150 Iron and Steel
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Specifications Met: ASTM A733, ASME B1.20.1, ASTM A53
- Fittings: Use Class 125 or 150 Iron and Steel