Aluminum
6063 Aluminum — Properties & Applications
Architectural aluminum with a smooth finish — perfect for railings and trim.
Density
0.097 lb/in³
Yield Strength
21 ksi*
Tensile Strength
27 ksi*
Machinability
Good
Weldability
Good
About 6063 Aluminum
Architectural alloy with excellent surface finish. Perfect for extrusions and railings.
Architectural GradeExcellent FinishExtrudableAnodizable
Why Choose 6063?
6063 is the premier anodizing alloy — it produces the smoothest, most uniform anodized finish of any aluminum grade. Choose 6063 when appearance matters as much as function.
Applications
Handrails and guardrails, window frames, door frames, curtain wall mullions, solar panel mounting frames, fence posts, furniture legs, decorative trim
Mechanical Properties
| Property | Value | Unit |
|---|---|---|
| Yield Strength | 21* | ksi |
| Tensile Strength | 27* | ksi |
| Elongation | 15* | % |
| Hardness | 55 HRB* | |
| Machinability | Good | |
| Weldability | Good | |
| Corrosion Resistance | Good | |
| Formability | Excellent |
Chemical Composition
| Element | Percentage |
|---|---|
| Al | Balance |
| Mg | 0.45–0.9 |
| Si | 0.20–0.6 |
| Fe | 0.35 max |
| Cu | 0.10 max |
| Mn | 0.10 max |
| Cr | 0.10 max |
| Zn | 0.10 max |
| Ti | 0.10 max |
Applicable Specifications
ASTM B221ASTM B308AMS 4156UNS A96063
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