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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.
| OD | OD Tolerance | ID | Yield Strength  | Hardness | Maximum Hardness After Heat Treatment | Specifications Met | Straightness Tolerance | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
0.028" Wall Thick. (-0.004" to 0.004" Tolerance) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/4" | -0.005" to 0.005" | 0.194" | 70,000 psi | Rockwell C20 | Rockwell C49 | MIL-T-6736, SAE AMS-T-6736, SAE AMS6360 | 0.030" per 3 ft. | 000000000 | |||
Drill Bushings for Plastic
The serrations grip to prevent rotation and spin out. Press or encase into plastic tooling for precise drilling.
Also Available: Other sizes. Please select 3378A999 and specify ID, OD, and length.
For technical drawings and 3-D models, click on a part number.
Tolerance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Lg. | For Drill Bit Size | ID | OD | Drill Bushing Type | Material | Hardness | Each | |
0.194" ID | |||||||||
| 5/16" | 1/2" | No. 10 | 0.0001" to 0.0004" | 0.01" to 0.015" | SG | 1144 Carbon Steel | Rockwell C61 | 00000000 | 000000 |