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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About Metal Tubing
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Cleaned and Capped Copper Tubing
- Temperature Range: 32° to 400° F
- Bending Method: Tube Bender
- Compatible Tube Fittings: Compression and Solder Connect
This tubing comes cleaned and capped to prevent moisture and dirt from contaminating the inside. It is also known as refrigeration and air conditioning tubing. Tubing has good corrosion resistance and excellent heat transfer qualities. It is seamless, which provides a smooth interior for unrestricted flow. It can be flared without splitting.
Note: Copper tube size is an accepted industry designation, not an actual size.
For technical drawings and 3-D models, click on a part number.
| Copper Tube Size  | OD | Wall Thick. | ID | Max. Pressure | Temper Rating | 50 ft. | 100 ft. | |
For Use With Natural Gas, Oil, R22 Refrigerant, Water | ||||||||
|---|---|---|---|---|---|---|---|---|
| __ | 1/8" | 0.03" | 0.065" | 3,000 psi @ 72° F | Soft | 000000 | ||
| __ | 3/16" | 0.03" | 0.128" | 1,900 psi @ 72° F | Soft | 000000 | ||
| __ | 1/4" | 0.03" | 0.19" | 1,400 psi @ 72° F | Soft | 0000000 | ||
| __ | 5/16" | 0.032" | 0.248" | 1,100 psi @ 72° F | Soft | 0000000 | ||
| 1/4 | 3/8" | 0.032" | 0.311" | 980 psi @ 72° F | Soft | 0000000 | ||
| 3/8 | 1/2" | 0.032" | 0.436" | 720 psi @ 72° F | Soft | 0000000 | ||
| 1/2 | 5/8" | 0.035" | 0.555" | 610 psi @ 72° F | Soft | 0000000 | ||
| 5/8 | 3/4" | 0.035" | 0.68" | 510 psi @ 72° F | Soft | 0000000 | ||
| 3/4 | 7/8" | 0.045" | 0.785" | 580 psi @ 72° F | Soft | 0000000 | ||
| 1 | 1 1/8" | 0.05" | 1.025" | 490 psi @ 72° F | Soft | 0000000 | ||
| 1 1/4 | 1 3/8" | 0.055" | 1.265" | 430 psi @ 72° F | Soft | 0000000 | ||
| 1 1/2 | 1 5/8" | 0.06" | 1.505" | 400 psi @ 72° F | Soft | 0000000 | ||
Copper Tubing with Coated Exterior for Natural and LP Gas
- Temperature Range: -90° to 210° F
- Bending Method: Tube Bender
- Compatible Tube Fittings: Flared
Copper offers good corrosion resistance, and the polyethylene coating provides an additional protective layer. Tubing has markings to identify it as a gas line. It is seamless, which provides a smooth interior for unrestricted flow. It can be flared without splitting. The tube OD dimension does not include the coating; you must remove the coating to attach fittings.
For technical drawings and 3-D models, click on a part number.
| OD | Wall Thick. | ID | Max. Pressure | Form | Temper Rating | Color | 60 ft. | 100 ft. | |
| 3/8" | 0.03" | 0.315" | 910 psi @ 72° F | Coil | Soft | Yellow | 0000000 | ||
| 1/2" | 0.035" | 0.43" | 770 psi @ 72° F | Coil | Soft | Yellow | 0000000 | ||
| 5/8" | 0.04" | 0.545" | 720 psi @ 72° F | Coil | Soft | Yellow | 0000000 | ||
| 3/4" | 0.042" | 0.666" | 630 psi @ 72° F | Coil | Soft | Yellow | 0000000 | ||
| 7/8" | 0.045" | 0.785" | 580 psi @ 72° F | Coil | Soft | Yellow | 0000000 |
Copper Tubing with Coated Interior
- Temperature Range: -100° to 400° F
- Bending Method: By Hand
- Compatible Tube Fittings: Compression
The inside of this tubing is lined with 99% pure tin for added corrosion resistance. It is seamless, so it has a smooth interior for unrestricted flow.
For technical drawings and 3-D models, click on a part number.
Standard-Wall Copper-Nickel Threaded Pipe Nipples and Pipe
- For Use With: Air, Natural Gas, Oil, Water, Salt Water
- Specifications Met: ASME B1.20.1, ASTM B466
Made of copper-nickel, this Schedule 40 pipe has excellent resistance to stress cracking and has better corrosion resistance than most stainless steel alloys. It is often used in highly-corrosive environments, such as salt water applications. Also known as a close nipple, it is threaded on both ends to the center. Pipe is seamless, which provides a smooth interior for unrestricted flow.
For technical drawings and 3-D models, click on a part number.
Copper-Nickel Unthreaded Pipe
- For Use With: Air, Natural Gas, Oil, Water, Salt Water
- Pressure Class : 200
- Specifications Met: MIL-T-16420
- Fittings: Use Class 200 copper-nickel
Designed for salt water applications, this pipe is made of copper-nickel, which has excellent resistance to stress cracking and better corrosion resistance than most stainless steel alloys. Pipe is also known as Pressure Class 200 pipe. Weld it to fittings and additional lengths of pipe. Welded connections are stronger than threaded connections and less likely to leak. Pipe is seamless, which provides a smooth interior for unrestricted flow.
For technical drawings and 3-D models, click on a part number.
| Lg., ft. | Wall Thick. | Construction | Each | |
1 Pipe Size | ||||
|---|---|---|---|---|
| 1 | 0.065" | Seamless | 0000000 | 000000 |
| 3 | 0.065" | Seamless | 0000000 | 000000 |
| 6 | 0.065" | Seamless | 0000000 | 000000 |
1 1/2 Pipe Size | ||||
| 1 | 0.072" | Seamless | 0000000 | 00000 |
| 3 | 0.072" | Seamless | 0000000 | 000000 |
| 6 | 0.072" | Seamless | 0000000 | 000000 |
2 Pipe Size | ||||
| 1 | 0.083" | Seamless | 0000000 | 000000 |
| 3 | 0.083" | Seamless | 0000000 | 000000 |
| 6 | 0.083" | Seamless | 0000000 | 000000 |
2 1/2 Pipe Size | ||||
| 1 | 0.083" | Seamless | 0000000 | 000000 |
| 3 | 0.083" | Seamless | 0000000 | 000000 |
| 6 | 0.083" | Seamless | 0000000 | 000000 |
3 Pipe Size | ||||
| 1 | 0.095" | Seamless | 0000000 | 000000 |
| 3 | 0.095" | Seamless | 0000000 | 000000 |
| 6 | 0.095" | Seamless | 0000000 | 000000 |
4 Pipe Size | ||||
| 1 | 0.109" | Seamless | 0000000 | 000000 |
| 3 | 0.109" | Seamless | 0000000 | 000000 |
| 6 | 0.109" | Seamless | 0000000 | 00000000 |