| Grade | Specification | Form |
|---|---|---|
| 250 | AMS 6520 | Sheet and plate |
| 250 | AMS 6512 | Bar |
| 280 (300) | AMS 6521a | Sheet and plate |
| 280 (300) | AMS 6514 | Bar |
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MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures
Last Updated 29 Oct 2026
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| Grade | Specification | Form |
|---|---|---|
| 250 | AMS 6520 | Sheet and plate |
| 250 | AMS 6512 | Bar |
| 280 (300) | AMS 6521a | Sheet and plate |
| 280 (300) | AMS 6514 | Bar |