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Easy-to-Weld 4130 Alloy Steel Round Tubes
- Yield Strength: See table
- Hardness: See table
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: See table
- Specifications Met: See table
4130 alloy steel has a low carbon content that provides good weldability. It's often used for gears, fasteners, and structural applications. These tubes meet military specifications and SAE dimensional standards.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
6" Lg. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | OD Tolerance | ID | ID Tolerance | Yield Strength  | Hardness | Maximum Hardness After Heat Treatment | Specifications Met | Each | |
1/4" Wall Thick. (-0.038" to 0.038" Tolerance) | |||||||||
| 1" | -0.005" to 0.005" | 1/2" | Not Rated | 70,000 psi | Rockwell C20 | Rockwell C49 | MIL-T-6736, SAE AMS-T-6736 | 0000000 | 000000 |
| 1 1/2" | -0.005" to 0.005" | 1" | Not Rated | 70,000 psi | Rockwell C20 | Rockwell C49 | MIL-T-6736, SAE AMS-T-6736 | 0000000 | 00000 |
| 2" | -0.005" to 0.005" | 1 1/2" | Not Rated | 70,000 psi | Rockwell C20 | Rockwell C49 | MIL-T-6736, SAE AMS-T-6736 | 0000000 | 00000 |
Tight-Tolerance Hardened 440C Stainless Steel
With a diameter that’s held to a close tolerance, this material is hardened for increased wear and abrasion resistance. 440C is one of the hardest types of stainless steel after heat treating. This material maintains its corrosion resistance in temperatures up to 800° F.
Tubes are also known as precision shim bushing stock. Use them to decrease a shaft diameter or increase a rod diameter. They are sized so that each tube fits into the next larger size to create a telescoping tube.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
- Yield Strength: Not Rated
- Hardness: Rockwell C60 (Very Hard)
- Heat Treatment: Hardened
- Specifications Met: ASTM A276
6" Lg. | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | OD Tolerance | ID | ID Tolerance | Fabrication | Mechanical Finish | Magnetic Properties | Each | |
1/32" Wall Thick. | ||||||||
| 3/8" | -0.0002" to 0" | 5/16" | 0" to 0.0002" | Seamless | Precision Ground | Magnetic | 0000000 | 0000000 |
| 7/16" | -0.0002" to 0" | 3/8" | 0" to 0.0002" | Seamless | Precision Ground | Magnetic | 0000000 | 000000 |
| 1/2" | -0.0002" to 0" | 7/16" | 0" to 0.0002" | Seamless | Precision Ground | Magnetic | 0000000 | 000000 |
| 11/16" | -0.0002" to 0" | 5/8" | 0" to 0.0002" | Seamless | Precision Ground | Magnetic | 0000000 | 000000 |
| 3/4" | -0.0002" to 0" | 11/16" | 0" to 0.0002" | Seamless | Precision Ground | Magnetic | 0000000 | 000000 |
| 13/16" | -0.0002" to 0" | 3/4" | 0" to 0.0002" | Seamless | Precision Ground | Magnetic | 0000000 | 000000 |
| 1" | -0.0002" to 0" | 15/16" | 0" to 0.0002" | Seamless | Precision Ground | Magnetic | 0000000 | 000000 |
1/16" Wall Thick. | ||||||||
| 5/8" | -0.0002" to 0" | 1/2" | 0" to 0.0002" | Seamless | Precision Ground | Magnetic | 0000000 | 000000 |
| 1 1/8" | -0.0002" to 0" | 1" | 0" to 0.0002" | Seamless | Precision Ground | Magnetic | 0000000 | 000000 |
| 1 3/8" | -0.0002" to 0" | 1 1/4" | 0" to 0.0002" | Seamless | Precision Ground | Magnetic | 0000000 | 000000 |
Wear-Resistant Easy-to-Machine Delrin® Acetal Resin Tubes
- Color: White or Black
- Temperature Range:
6" Lengths: 0° to 180° F
All other sizes: -20° to 180° F - Tensile Strength: 7,690 psi (Good)
- Impact Strength: 1-1.5 ft.-lbs./in. (Poor)
- Hardness: Rockwell R120-R122 (Hard)
- For Use Outdoors: No
- Specifications Met: See table
Easy to machine to close tolerances, these dimensionally stable tubes resist expanding when exposed to heat and moisture. They have a naturally slippery surface along with excellent wear resistance. Use them to make precision gears, bushings, and bearings. Delrin® acetal resin, also known as acetal homopolymer, is stronger and stiffer than acetal copolymer.
Tight-tolerance tubes that are 6” long are also known as bushing stock. You can slide them over rods to increase the OD, or into shafts to decrease the ID. Their precise sizing also allows ascending sizes to fit inside of each other to increase the wall thickness.
For technical drawings and 3-D models, click on a part number.
White | |||||||
|---|---|---|---|---|---|---|---|
| OD | OD Tolerance | ID | ID Tolerance | Specifications Met | Lg. | Each | |
1/8" Wall Thick. (-0.005" to 0.005") | |||||||
| 1/2" | -0.005" to 0.005" | 1/4" | -0.005" to 0.005" | ASTM D4181, FDA Compliant 21 CFR 177.2480, NSF/ANSI 51 | 6" | 0000000 | 000000 |
| 3/4" | -0.005" to 0.005" | 1/2" | -0.005" to 0.005" | ASTM D4181, FDA Compliant 21 CFR 177.2480, NSF/ANSI 51 | 6" | 0000000 | 00000 |
| 1" | -0.005" to 0.005" | 3/4" | -0.005" to 0.005" | ASTM D4181, FDA Compliant 21 CFR 177.2480, NSF/ANSI 51 | 6" | 0000000 | 00000 |
| 1 1/4" | -0.005" to 0.005" | 1" | -0.005" to 0.005" | ASTM D4181, FDA Compliant 21 CFR 177.2480, NSF/ANSI 51 | 6" | 0000000 | 00000 |
| 1 1/2" | -0.005" to 0.005" | 1 1/4" | -0.005" to 0.005" | ASTM D4181, FDA Compliant 21 CFR 177.2480, NSF/ANSI 51 | 6" | 0000000 | 000000 |
| 1 3/4" | -0.005" to 0.005" | 1 1/2" | -0.005" to 0.005" | ASTM D4181, FDA Compliant 21 CFR 177.2480, NSF/ANSI 51 | 6" | 0000000 | 000000 |
| 2" | -0.005" to 0.005" | 1 3/4" | -0.005" to 0.005" | ASTM D4181, FDA Compliant 21 CFR 177.2480, NSF/ANSI 51 | 6" | 0000000 | 000000 |
| 2 1/4" | -0.005" to 0.005" | 2" | -0.005" to 0.005" | ASTM D4181, FDA Compliant 21 CFR 177.2480, NSF/ANSI 51 | 6" | 0000000 | 000000 |
| 2 1/2" | -0.005" to 0.005" | 2 1/4" | -0.005" to 0.005" | ASTM D4181, FDA Compliant 21 CFR 177.2480, NSF/ANSI 51 | 6" | 0000000 | 000000 |
Slippery UHMW Polyethylene Tubes
These impact- and wear-resistant tubes offer 360° protection from scrapes and strikes to wires, cords, and anything that can slide through them. UHMW has a low-friction surface that resists sticking and binding.
Tight-tolerance tubes, also known as bushing stock, slide over rods and inside shafts to increase or decrease the diameter. Their precise sizing allows ascending sizes to fit inside each other to create a thicker wall.
For technical drawings and 3-D models, click on a part number.
- Color: White
- Temperature Range: -20° to 180° F
- Tensile Strength: 4,350-5,800 psi (Poor)
- Impact Strength: 16.8 ft.-lbs./in. (Excellent)
- Hardness: Durometer 65D-67D (Medium)
- For Use Outdoors: No
- Specifications Met: ASTM D4020
6" Lg. | |||||
|---|---|---|---|---|---|
| OD | OD Tolerance | ID | ID Tolerance | Each | |
1/4" Wall Thick. (-0.06" to 0") | |||||
| 3/4" | -0.030" to 0.000" | 1/4" | 0.000" to 0.030" | 0000000 | 000000 |
| 1 1/4" | -0.030" to 0.000" | 3/4" | 0.000" to 0.030" | 0000000 | 00000 |
| 1 3/4" | -0.030" to 0.000" | 1 1/4" | 0.000" to 0.030" | 0000000 | 00000 |
| 2 1/4" | -0.030" to 0.000" | 1 3/4" | 0.000" to 0.030" | 0000000 | 00000 |
| 2 3/4" | -0.030" to 0.000" | 2 1/4" | 0.000" to 0.030" | 0000000 | 00000 |
| 3 1/4" | -0.030" to 0.000" | 2 3/4" | 0.000" to 0.030" | 0000000 | 00000 |
| 3 3/4" | -0.030" to 0.000" | 3 1/4" | 0.000" to 0.030" | 0000000 | 00000 |
Metal-Backed Slippery PTFE
- Color: Black
- Temperature Range: -330° to 480° F
- For Use Outdoors: No
A layer of tin-plated steel adds structural support and makes this PTFE easy to form. Bend it to fit inside V-blocks and other channels, or cut it to form wear strips and thrust bearings. PTFE is naturally slippery, so it works well in parts that slide and roll.
For technical drawings and 3-D models, click on a part number.