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Easy-to-Weld 4130 Alloy Steel Round Tubes
- Yield Strength:
6" lg. tubes: 80,000 psi
All other sizes: 70,000 psi - Hardness:
6" lg. tubes: Rockwell C40 (Hard)
All other sizes: Rockwell C20 (Hard) - Heat Treatable: Yes
- Max. Hardness After Heat Treatment:
6" lg. tubes: Not Rated
All other sizes: Rockwell C49 - 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.
6" Lg. | |||||||
|---|---|---|---|---|---|---|---|
| OD | OD Tolerance | ID | ID Tolerance | Heat Treatment | Specifications Met | Each | |
1/4" Wall Thick. (-0.038" to 0.038" Tolerance) | |||||||
| 1" | -0.035" to 0.035" | 1/2" | -0.038" to 0.038" | Annealed (Softened) | ASTM A513 | 0000000 | 000000 |
| 1 1/2" | -0.035" to 0.035" | 1" | -0.038" to 0.038" | Annealed (Softened) | ASTM A519 | 0000000 | 00000 |
| 2" | -0.035" to 0.035" | 1 1/2" | -0.038" to 0.038" | Annealed (Softened) | ASTM A513 | 0000000 | 00000 |