About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
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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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Easy-to-Machine Gray Cast Iron Round Tubes
- Yield Strength: Not Rated
- Hardness: Rockwell C20 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C50
- Fabrication: Cast
- Specifications Met: ASTM A247
Gray cast iron machines faster with less wear on cutting tools than most types of steel. It also absorbs vibration, so finished parts run quieter than those made of steel. It's often fabricated into gears, pulleys, rollers, and bushings. This cast iron can be surface hardened with heat treating for added wear resistance. These tubes have been manufactured to meet ASTM A247 standards for quality and performance.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
6" Lg. | 16" Lg. | 36" Lg. | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | OD Tolerance | ID | ID Tolerance | Each | Each | Each | |||
1/2" Wall Thick. (Oversized) | |||||||||
| 2 1/2" | 0.08" to 0.14" | 1 1/2" | -0.25" to 0" | 000000 | 00 | 00000000 | 0000000 | 000000 | 00 |
| 3" | 0.08" to 0.14" | 2" | -0.25" to 0" | 000000 | 00 | 00000000 | 000000 | 000000 | 00 |
| 4" | 0.087" to 0.163" | 3" | -0.25" to 0" | 000000 | 00 | 00000000 | 000000 | 000000 | 00 |
1" Wall Thick. (Oversized) | |||||||||
| 3 1/2" | 0.087" to 0.163" | 1 1/2" | -0.25" to 0" | 00000000 | 000000 | 0000000 | 000000 | 00000000 | 0000000 |
| 4" | 0.087" to 0.163" | 2" | -0.25" to 0" | 00000000 | 00000 | 0000000 | 000000 | 00000000 | 000000 |
| 4 1/2" | 0.092" to 0.188" | 2 1/2" | -0.25" to 0" | 000000 | 00 | 0000000 | 000000 | 000000 | 00 |
| 5" | 0.092" to 0.188" | 3" | -0.25" to 0" | 000000 | 00 | 0000000 | 000000 | 000000 | 00 |
| 5 1/2" | 0.1" to 0.21" | 3 1/2" | -0.25" to 0" | 000000 | 00 | 0000000 | 000000 | 000000 | 00 |
| 6" | 0.1" to 0.21" | 4" | -0.25" to 0" | 000000 | 00 | 0000000 | 000000 | 000000 | 00 |
| 6 1/2" | 0.108" to 0.232" | 4 1/2" | -0.25" to 0" | 000000 | 00 | 0000000 | 000000 | 000000 | 00 |
| 8" | 0.105" to 0.232" | 6" | -0.25" to 0" | 000000 | 00 | 0000000 | 000000 | 000000 | 00 |
| 9" | 0.108" to 0.324" | 7" | -0.25" to 0" | 000000 | 00 | 0000000 | 000000 | 000000 | 00 |
1 1/2" Wall Thick. (Oversized) | |||||||||
| 6" | 0.1" to 0.21" | 3" | -0.25" to 0" | 000000 | 00 | 0000000 | 000000 | 000000 | 00 |
| 7" | 0.108" to 0.232" | 4" | -0.25" to 0" | 000000 | 00 | 0000000 | 000000 | 000000 | 00 |
Thick-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe
Made of galvanized iron or steel, this pipe has fair corrosion resistance. It has thick, Schedule 80 walls for good strength in medium-pressure applications.
Seamless pipe has a smooth interior for unrestricted flow and is stronger than welded pipe.
Straight reducers are also known as swage nipples.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Nitrogen Gas, Oil, Steam, Water
- Specifications Met: ASTM B633, ASTM A234, MSS SP-95, ASME B1.20.1
- Fittings: Use Class 300 iron or steel
- Flanges: Use Class 300 steel
Pipe Size | |||||||
|---|---|---|---|---|---|---|---|
(A) | (B) | Lg. | Thread Type | Construction | Material | Each | |
| 3/4 | 1/8 | 3" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 2 | 1/4 | 6 1/2" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 2 1/2 | 3/4 | 7" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 2 1/2 | 1 | 7" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 2 1/2 | 1 1/4 | 7" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 2 1/2 | 1 1/2 | 7" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 2 1/2 | 2 | 7" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 3 | 1/2 | 8" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 3 | 3/4 | 8" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 3 | 1 | 8" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 3 | 1 1/4 | 8" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 3 | 1 1/2 | 8" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 3 | 2 | 8" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 3 | 2 1/2 | 8" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 4 | 1/2 | 9" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 4 | 3/4 | 9" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 4 | 1 | 9" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 4 | 1 1/4 | 9" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 4 | 1 1/2 | 9" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 4 | 2 | 9" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 4 | 2 1/2 | 9" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
| 4 | 3 | 9" | NPT | Seamless | Galvanized Iron | 00000000 | 000000 |
Drain, Waste, and Vent Iron Pipe
Use this pipe in gravity-flow applications both above and below ground. It is also known as no-hub pipe and soil pipe. To connect, butt the end of a fitting up against pipe or another fitting and connect with a low-pressure clamp-on connector (sold separately). The clamp-on connector is also known as a no-hub coupling. Fittings are for use in noncorrosive environments. Pipe is seamless, so it has a smooth interior for unrestricted flow. It is for use in noncorrosive environments.
For technical drawings and 3-D models, click on a part number.
- For Use With: Water
- Temperature Range: 0° to 180° F
- Specifications Met: ASTM A666, ASTM C564
- For Pipe Material: Aluminum, Iron, Steel, Stainless Steel, PVC Plastic
- For Use With: Water
- Temperature Range: 0° to 180° F
- Specifications Met: ASTM A666, ASTM C564
- For Pipe Material: Aluminum, Iron, Steel, Stainless Steel, PVC Plastic
- For Tube Material: Copper
- For Use With: Water
- Temperature Range: 0° to 180° F
- Specifications Met: ASTM A666, ASTM C564
- For Pipe Material: Aluminum, Iron, Steel, Stainless Steel, PVC Plastic