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Easy-to-Weld 4130 Alloy Steel Rectangular Tubes
- Yield Strength: 75,000 psi
- Hardness: Rockwell C20 (Hard)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C49
- Specifications Met: SAE AMS-T-6736, MIL-T-6736
4130 alloy steel has a low carbon content for good weldability. It's often used for structural applications.
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.
Outside | Inside | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ht. | Ht. Tolerance | Wd. | Wd. Tolerance | Ht. | Wd. | 1/2 ft. Lg. | 1 ft. Lg. | 2 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
0.035" Wall Thick. (-0.004" to 0.004" Tolerance) | |||||||||||
| 3/8" | -0.020" to 0.020" | 3/8" | -0.020" to 0.020" | 0.305" | 0.305" | 0000000 | |||||
| 1/2" | -0.020" to 0.020" | 1/2" | -0.020" to 0.020" | 0.43" | 0.43" | 0000000 | |||||
| 1/2" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.43" | 0.93" | 0000000 | |||||
| 5/8" | -0.020" to 0.020" | 5/8" | -0.020" to 0.020" | 0.555" | 0.555" | 0000000 | |||||
| 3/4" | -0.020" to 0.020" | 3/4" | -0.020" to 0.020" | 0.68" | 0.68" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.93" | 0.93" | 0000000 | |||||
0.049" Wall Thick. (-0.005" to 0.005" Tolerance) | |||||||||||
| 1/2" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.402" | 0.902" | 0000000 | |||||
| 5/8" | -0.020" to 0.020" | 5/8" | -0.020" to 0.020" | 0.527" | 0.527" | 0000000 | |||||
| 3/4" | -0.020" to 0.020" | 3/4" | -0.020" to 0.020" | 0.652" | 0.652" | 0000000 | |||||
| 3/4" | -0.020" to 0.020" | 1 1/2" | -0.020" to 0.020" | 0.652" | 1.402" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.902" | 0.902" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1 1/2" | -0.020" to 0.020" | 0.902" | 1.402" | 0000000 | |||||
0.065" Wall Thick. (-0.007" to 0.007" Tolerance) | |||||||||||
| 1/2" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.37" | 0.87" | 0000000 | |||||
| 5/8" | -0.020" to 0.020" | 5/8" | -0.020" to 0.020" | 0.495" | 0.495" | 0000000 | |||||
| 3/4" | -0.020" to 0.020" | 3/4" | -0.020" to 0.020" | 0.62" | 0.62" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1" | -0.020" to 0.020" | 0.87" | 0.87" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1 1/2" | -0.020" to 0.020" | 0.87" | 1.37" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 1 3/4" | -0.020" to 0.020" | 0.87" | 1.62" | 0000000 | |||||
| 1" | -0.020" to 0.020" | 2" | -0.020" to 0.020" | 0.87" | 1.87" | 0000000 | |||||