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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
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Easy-to-Weld 4130 Alloy Steel Sheets and Bars
- Yield Strength: 50,000 psi
- Hardness: Rockwell B85 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C60
- Specifications Met: SAE AMS6350, SAE AMS6351
4130 alloy steel has a low carbon content for good weldability. It's often used for gears, fasteners, and 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.
| Thick. | Thick. Tolerance | Heat Treatment | Each | |
6" × 12" | ||||
|---|---|---|---|---|
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 000000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.09" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 00000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
6" × 36" | ||||
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 00000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.09" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 00000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
12" × 12" | ||||
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 00000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.09" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 00000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
12" × 24" | ||||
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 00000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.09" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 00000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
24" × 24" | ||||
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 00000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 00000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 00000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.09" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 000000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
36" × 36" | ||||
| 0.025" | -0.005" to 0.005" | Annealed (Softened) | 0000000 | 000000 |
| 0.032" | -0.005" to 0.005" | Annealed (Softened) | 00000000 | 000000 |
| 0.04" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.05" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.063" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.071" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.08" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.09" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.1" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 1/8" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.16" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |
| 0.19" | -0.009" to 0.009" | Annealed (Softened) | 0000000 | 000000 |
| 1/4" | -0.009" to 0.009" | Annealed (Softened) | 00000000 | 000000 |