6063 Aluminum Parts

Architectural aluminum with a smooth finish, best for cosmetic and light-structural parts.

At a glance

Supplied condition	T5 temper
Machinability	Good (gummier than 6061)
Weldability	Weldable
Corrosion resistance	Good, excellent anodizing response
Hardening	Supplied at T5 temper
Density (nominal)	0.097 lb/in³
Food contact	Generally acceptable (often anodized)
Magnetic	No

6063 is the architectural cousin of 6061: a little softer, but with a finer surface finish off the tool and an especially even, cosmetic response to anodizing. Where the part is seen, railing hardware, lighting, display fixtures, 6063 looks better than 6061 does.

For load-bearing shafts, prefer 6061-T6; 6063-T5 gives up meaningful strength in exchange for its finish.

Configure a 6063-T5 part →

Any geometry in the configurator, diameters, threads, keyseats, grooves, holes, tapers, can be machined in 6063-T5. Pick the material in the sidebar and the price updates live.

When to choose 6063-T5

The part is visible and finish quality is a requirement.
Anodized cosmetics must be flawless and even.
Light-structural duty, trim, standoffs, decorative pins.

Consider instead

6061, more strength for structural parts.
2011, faster machining for volume runs.

Typical applications

Architectural and railing hardware
Lighting and display components
Decorative standoffs and spacers
Trim pins and caps

Frequently Asked Questions

6061-T6 for strength, 6063-T5 for looks. 6063 machines to a smoother cosmetic surface and anodizes more evenly, but gives up structural strength. Load-bearing shafts should default to 6061.

Its leaner chemistry (less silicon and iron in solution) produces a more uniform oxide layer, so clear and colored anodize come out brighter and more even, the reason it dominates architectural extrusions.

For light duty, guide rollers, display turntables, hand-operated mechanisms, yes. For driven shafts under real torque, use 6061-T6 or steel.

Supplied as 6063-T5, machined from bar sourced per order. Material and condition are paired. Each grade ships in one condition optimized for our process; see all grades on the materials page.