2117 at a glance
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Designation
| Item | Value |
|---|---|
| Designation | 2117 |
| Class | Aluminum |
| Type | wrought aluminum alloy |
Composition
| Element | Limit |
|---|---|
| Si | 0.8 |
| Fe | 0.7 |
| Cu | 2.2–3.0 |
| Mn | 0.20 |
| Mg | 0.20–0.50 |
| Cr | 0.10 |
| Zn | 0.25 |
| Al | Remainder |
A single number is a maximum. Other elements: 0.05 each, 0.15 total, except where the Teal Sheets say otherwise. Source: Aluminum Association Teal Sheets (Aug 2018).
Properties
| Property | Value | Source |
|---|---|---|
| Density | 0.099 lb/in³ (2.75 g/cm³) | Teal Sheets |
| Rivet shear, driven 2117-T3 | 30 ksi | MIL-HDBK-5J Table 8.1.2(b) |
| Rivet shear, undriven 2117-T4 | 26 ksi | MIL-HDBK-5J Table 8.1.2(b) |
| Rivet code and head | AD, dimpled dot | AC 43.13-1B Table 4-8 |
| Used in | Most aluminum alloy structures | AC 43.13-1B par. 7-2a |
MIL-HDBK-5J has no bulk allowables table for 2117: it appears as a rivet material in Chapter 8.
Notes from the guide
- Not a source of design allowables. Values are for reference. MMPDS and the SRM govern a repair.
- Not a substitution approval. A different alloy or temper needs approved data.
- No sheet data. 2117 is a rivet alloy here. No bend or sheet values are given.
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Sources
- FAA AC 43.13-1B CHG 1, Chapters 4 and 7 — Tables 4-8 to 4-11; pars. 4-57, 7-2.
- MIL-HDBK-5J (31 Jan 2003), Chapter 3 — Table 8.1.2(b). Cancelled and superseded by MMPDS: check current MMPDS before design use.
- Aluminum Association, International Alloy Designations (Teal Sheets), rev. Aug 2018 — chemical composition limits and nominal densities.
- MMPDS (formerly MIL-HDBK-5) — the current home of design allowables. A repair substantiation cites MMPDS or the SRM, not a website.
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.