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Aluminum

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Processes CNC Mill, CNC Lathe
Lead Time As fast as 3 days
Tolerance With drawing: as low as +/- 0.005 mm , No drawing: ISO 2768 medium
Applications Light & economic, used from prototyping to production
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Detail

About the Material


Aluminum is one of the most commonly used metals in the world because of its excellent strength-to-weight ratio, low cost, and recyclability. Fictiv offers multiple aluminum alloys.

Our standard alloy on platform is 6061, a versatile and easy-to-machine metal. It is corrosion-resistant, non-magnetic, and heat treatable.

7075 Aluminum is a hard, high strength alternative to 6061 Aluminum . It is often used for parts in high-stress applications, and is also corrosion-resistant, non-magnetic and heat treatable.

7050 Aluminum can be used instead of 7075 when high stress corrosion resistance is necessary (ie. bulkheads and fuselage frames). It is heat treatable and non-magnetic.

2024 Aluminum is not as strong as 7075 Aluminum but is commonly used when a high strength-to-weight ratio is required. It is heat treatable and non-magnetic.

5052 Aluminum is the easiest aluminum to weld and is exceptionally corrosion resistant against salt spray and salt water. It is easy to form, heat treatable, and non-magnetic.

6063 Aluminum is more corrosion resistant and formable than 6061 Aluminum. It is not ideal for high strength applications, but can be used for exterior railings and decorative trim. It is heat treatable and non-magnetic.

Also known as jig plate or cast tool, MIC6 is a cast aluminum alloy that is great for tight tolerance applications due to it being stress-relieved. It is most commonly used in precision machine tables and tooling. MIC6 is non-magnetic and not heat treatable.


Material Properties


6061-T6 Aluminum

Yield Strength：35,000 PSI

Elongation at Break：12.50%

Hardness：Brinell 95

Density：2.768 g/㎤，0.1 lbs / cu. in.

Maximum Temp：1080° F


7075-T6 Aluminum

Tensile Strength：68,000 psi

Elongation at Break：11%

Hardness：Rockwell B86

Density：2.768 g/㎤，0.1 lbs / cu. in.

Maximum Temp：380° F


5052 Aluminum

Tensile Strength：23,000 psi

Elongation at Break：8%

Hardness：Brinell 60

Density：2.768 g/㎤，0.1 lbs / cu. in.

Maximum Temp：300° F


6063 Aluminum

Tensile Strength：16,900 psi

Elongation at Break：11%

Hardness：Brinell 55

Density：2.768 g/㎤，0.1 lbs / cu. in.

Maximum Temp：212° F


MIC6 Aluminum

Tensile Strength：23,900 psi

Elongation at Break：3%

Hardness：Brinell 65

Density：2.768 g/㎤， 0.1 lbs / cu. in.

Maximum Temp：1200° F


2024-T4 Aluminum

Tensile Strength：47,000 PSI

Elongation at Break：12%

Hardness：Rockwell B75

Density：0.1 lb/cu in


7050 Aluminum

Tensile Strength：71,000 PSI

Elongation at Break：11%

Hardness：Rockwell B84

Density：0.1 lb/cu in


Material Finish


Untreated aluminum generally has a dull silver/grey finish which varies depending on the roughness of the surface.

Many consumer products made with aluminum are anodized, most notably the MacBook Pro. Anodization allows the introduction of a variety of color options and adds a consistent shine across the entire part.

Aluminum can also be media-blasted, sanded, and hand-polished to achieve a multitude of surface finishes. Alodine is often used as an alternative protective coating to anodize on aluminum parts, and can be clear or gold in color.


Design Recommendations


Min Wall Thickness：0.5 mm

Min End Mill Size：0.8 mm (0.03 in)

Min Drill Size：0.5 mm (0.02 in)

Max Part Size：1200 x 500 x 152 mm[(x,y,z] (mill) 152 x 394 mm [d,h] (lathe)

Undercuts：Square profile, full radius, dovetail profiles

Radii（Depth） ：

· Depth must not exceed 12x drill bit diameter.

· For end mills, depth must not exceed 10x drill bit diameter.


Cost Saving Tip：

To reduce costs, limit the number of part setups, the number of inspection dimensions or tight tolerances, and deep pockets with small radii. If surface finish is not a concern, you may design your part to be made from the closest stock thickness, specified in a drawing.