Aerospace Materials: 2618 FORGING T61
Aerospace material mechanical properties and design allowables at ambient, elevated, and cryogenic temperatures per MMPDS-11 (Metallic Materials Properties Development and Standardization). Covers primary structural alloys: aluminum (2024-T3, 7075-T6, 6061-T6, 2219-T87), titanium (Ti-6Al-4V), nickel superalloys (Inconel 718), and steels (300M, 4130, 4340).
| material id | temp f | E Msi (Msi) | Ec Msi (Msi) | Fbru ksi 2 (ksi) | Fbry ksi 2 (ksi) | Fcy ksi (ksi) | Fcy ksi LT (ksi) | Fcy ksi ST (ksi) | Fsu ksi (ksi) | Ftu ksi (ksi) | Ftu ksi LT (ksi) | Ftu ksi ST (ksi) | Fty ksi (ksi) | Fty ksi LT (ksi) | Fty ksi ST (ksi) | G Msi (Msi) | basis | condition | density lb in3 (lb/in^3) | elongation pct (%) | elongation pct LT (%) | elongation pct ST (%) | form | poisson ratio | specification | thickness range |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2618 FORGING T61 4.000 S | 70 | 10.7 | 10.9 | — | — | — | — | — | — | 58 | — | — | 45 | — | — | 4.1 | S | T61 | 0.1 | 4 | — | — | Die forging | 0.33 | AMS-A-22771 and AMS-QQ-A-367 | 4.000a |
| 2618 FORGING T61 ANY S T3 2 13 0c C1 | 70 | 10.7 | 10.9 | — | — | — | — | — | — | 58 | 55 | — | 47 | 42 | — | 4.1 | S | T61 | 0.1 | 7 | 5 | — | . . . . . Hand forging | 0.33 | . . . . . AMS 4132, AMS-A-22771, and AMS-QQ-A-367 | — |
| 2618 FORGING T61 ANY S T3 2 13 0c C2 | 70 | 10.7 | 10.9 | — | — | — | — | — | — | 57 | 55 | 52 | 46 | 42 | 42 | 4.1 | S | T61 | 0.1 | 7 | 5 | 4 | . . . . . Hand forging | 0.33 | . . . . . AMS 4132, AMS-A-22771, and AMS-QQ-A-367 | — |
| 2618 FORGING T61 ANY S T3 2 13 0c C3 | 70 | 10.7 | 10.9 | 106 | 71 | 44 | 42 | 40 | 33 | 56 | 53 | 51 | 45 | 40 | 39 | 4.1 | S | T61 | 0.1 | 7 | 5 | 4 | . . . . . Hand forging | 0.33 | . . . . . AMS 4132, AMS-A-22771, and AMS-QQ-A-367 | — |
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