6063 at a glance
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Designation
| Item | Value |
|---|---|
| Designation | 6063 |
| Class | Aluminum |
| Type | wrought aluminum alloy |
Composition
| Element | Limit |
|---|---|
| Si | 0.20–0.6 |
| Fe | 0.35 |
| Cu | 0.10 |
| Mn | 0.10 |
| Mg | 0.45–0.9 |
| Cr | 0.10 |
| Zn | 0.10 |
| Ti | 0.10 |
| 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 | 0.097 lb/in³ (2.70 g/cm³) | Teal Sheets |
| Aerospace specification | AMS 4156: extrusions, 6063-T6 | SAE AMS4156 title |
| In MIL-HDBK-5J | Not listed | MIL-HDBK-5J Table 3.1.1 |
| In AC 43.13-1B | Not listed | AC 43.13-1B |
No strength value is given here because none of the sources used by this site prints one. Use the AMS specification and the mill certificate.
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.
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Sources
- Aluminum Association, International Alloy Designations (Teal Sheets), rev. Aug 2018 — chemical composition limits and nominal densities.
- SAE AMS4156, Aluminum Alloy, Extrusions, 6063-T6 — title and scope. The values are in the paid document.
- MIL-HDBK-5J (31 Jan 2003), Chapter 3 — Table 3.1.1, alloy index. Cancelled and superseded by MMPDS: check current MMPDS before design use.
- FAA AC 43.13-1B CHG 1, Chapters 4 and 7 — checked for 6063: no entry.
- 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.