Aerospace Materials: 7175 FORGING T74
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 (ksi) | Fbru ksi 2 (ksi) | Fbry ksi (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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7175 FORGING T74 ANY S T3 7 8 0c1 C5 | 70 | 10.2 | 10.6 | 95 | 125 | 76 | 90 | 55 | 56 | 55 | 39 | 65 | 64 | 63 | 54 | 52 | 52 | 3.9 | S | T74 | 0.101 | 8 | 5 | 4 | Hand forging | 0.33 | AMS 4149 and AMS-A-22771 | — |
| 7175 FORGING T74 LT1.000 S | 70 | 10.2 | 10.7 | 106 | 140 | 86 | 102 | 67 | — | 63 | 43 | 76 | — | — | 66 | — | — | 3.9 | S | T74b | 0.101 | 7 | — | — | Die forging | 0.33 | AMS 4149 | <1.000 |
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