Key facts
Where to buy| Property | Value | Source |
|---|---|---|
| Density | 0.098 lb/in³ (2.71 g/cm³) | Teal Sheets |
| Brinell hardness, O / H18 | 23 / 44 | AC 43.13-1B Table 4-5 |
| Rivet code and head | A, plain | AC 43.13-1B Table 4-8 |
| Weldable | Yes | FAA-H-8083-31B, p. 4-30 |
1100 is not in MIL-HDBK-5J, and no strength value is given here.
Reading the alloy and temper code
Composition limits, weight percent
| Element | Limit |
|---|---|
| Si + Fe | 0.95 |
| Cu | 0.05–0.20 |
| Mn | 0.05 |
| Zn | 0.10 |
| Al | 99.00 min |
A single number is a maximum. Si + Fe is a combined maximum. Source: Aluminum Association Teal Sheets (Aug 2018).
Where it is used
The AMT Handbook lists fuel tanks, cowlings and oil tanks, and repair of wingtips and tanks (p. 4-30).
1100 rivets are for nonstructural parts of soft alloys such as 1100, 3003 and 5052 (AC par. 7-2c). Tubing under ¼ in may be bent by hand (AC, p. 9-18).
Questions people actually ask
Can I use an 1100 rivet in structure?
No. The AC keeps them to nonstructural parts of soft alloys.
Limits — when NOT to use this
- 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.
Where to buy
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Sources
- FAA AC 43.13-1B CHG 1, Chapters 4 and 7 — Tables 4-5, 4-8; par. 7-2; p. 9-18.
- FAA-H-8083-31B, AMT Handbook — Airframe, Volume 1, Chapter 4 — p. 4-30.
- Aluminum Association, International Alloy Designations (Teal Sheets), rev. Aug 2018 — chemical composition limits and nominal densities.
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.