Brief Introduction of Aluminum Materials

Aluminum is a versatile material with properties that make it ideal for CNC machining. Aluminum has excellent machinability, welding and electroplating properties as well as good corrosion resistance. The metal is also characterized by a high strength-to-weight ratio and good temperature resistance. After machining, aluminum has a low risk of deformation or defects and is easy to polish and color.

Because of these properties, aluminum is a broadly used metal in many industries, including automotive, defense, aerospace, transportation, construction, packaging, electronics, consumer goods and more.

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Information of Aluminum

Features Info
Subtypes 6061-T6, 7075-T6, 7050, 2024, 5052, 6063, etc
Process CNC machining, injection molding, sheet metal fabrication
Tolerance With drawing: as low as +/- 0.005 mm No drawing: ISO 2768 medium
Applications Light & economic, used from prototyping to production
Finishing Options Alodine, Anodizing Types 2, 3, 3 + PTFE, ENP, Media Blasting, Nickel Plating, Powder Coating, Tumble Polishing.

Available Aluminum Subtypes

Subtypes Yield Strength Elongation at Break
Hardness Density Maximum Temp
Aluminum 6061-T6 35,000 PSI 12.50% Brinell 95 2.768 g/㎤ 0.1 lbs / cu. in. 1080° F
Aluminum 7075-T6 35,000 PSI 11% Rockwell B86 2.768 g/㎤ 0.1 lbs / cu. in 380° F
Aluminum 5052 23,000 psi 8% Brinell 60 2.768 g/㎤ 0.1 lbs / cu. in. 300° F
Aluminum 6063 16,900 psi 11% Brinell 55 2.768 g/㎤ 0.1 lbs / cu. in. 212° F

General Information for Aluminium

Aluminium is available in a wide range of alloys, as well as multiple production processes and heat treatments.

These can be divided into two main categories of wrought alloy as listed below:

Heat Treatable or Precipitation Hardening Alloys
Heat treatable aluminium alloys consist of pure aluminium that is heated to a certain point. The alloy elements are then homogeneously added as the aluminium takes on a solid form. This heated aluminium is then quenched as the cooling atoms of the alloy elements are frozen into place.

Work Hardening Alloys
In heat-treatable alloys, ‘strain hardening’ not only enhances the strengths achieved by precipitation but also increases the reaction to precipitation hardening. Work hardening is used liberally to produce strain-hardened tempers of the non-heat-treatable alloys.

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