Aluminum 6061 Machined Parts

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Aluminum 6061 Machined Parts

Aluminum 6061 Machined Parts

3Q MACHINING has rich experience for machining quality parts from Aluminum alloy 6061. We can machine intricate parts on our CNC Lathe machines and CNC turning centers.

Aluminum alloy 6061 is the most popular metal, excellent for jobs that require forming or welding. It is the most commonly available aluminum alloy and provides a clean surface finish. Unlike other aluminum alloys, 6061 has a high corrosion resistance.

Note: Aluminum 6061 can be forged, hot worked, and readily welded, as well as heat treated, annealed, and aged. It anodizes well and provides a bright, colorful finish.

Aluminum 6061 Machining Capability

  1. CNC Lathe
  2. CNC Milling
  3. CNC Turning

Aluminum 6061 Applications

  • Electronic hardware
  • Piping
  • Recreation equipment
  • Aircraft components

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Common Material Comparison

TypeGeneral CharacteristicsAlloyCommon ApplicationsTolerances for 1/2″ Dia.
SteelDesigned for excellent machinability. Case hard only12L14Endless commercial products; probably more pounds used in turned products than any other materialCold drawn
0
Stainless SteelDesigned for machining, non-magnetic303Electronic hardware, automotive, aerospace, medical instruments, and many applications requiring corrosion resistanceCold finished
+/- .002
BrassStrength, corrosion and wear resistance, and excellent machinabilityC35300Well suited for parts with knurling or threading+/-.0015
AluminumDesigned for machining2011Electronic hardware, endless commercial productsCold finish
+/-.0015
TitaniumHigh strength, light weight, good bio-compatibilityTi-6Al-4VEliMedical implantsGround & polished
+/-.002

Aluminum 6061 Characteristics

Characteristic

Appraisal
Workability Good
MachinabilityGood
StrengthMedium to High
Weldability – BrazabilityGood
Corrosion – ResistanceGood

Note: Its strength and resistance to corrosion are improved through tempering.

Aluminum 6061 Chemistry Information

Element% Present
Si0.40-0.80
Fe0.70max
Cu0.15-0.40
Cr0.04-0.35
Mg0.8-1.2
Mn0.15max
Ti0.15max
Zn0.25max
Al98

Aluminum 6061 Mechanical Information

 6061-T46061-T6
Density2.70 g/cc | 0.0975 lb/in³2.70 g/cc | 0.0975 lb/in³
Tensile Strength241 MPa | 35000 psi310 MPa | 45000 psi
Fatigue Strength96.5 MPa | 14,000 psi96.5 MPa | 14,000 psi
Yield Strength145 MPa | 21000 psi276 MPa | 40000 psi
Modulus of Elasticity68.9 GPa | 10000 ksi68.9 GPa | 10000 ksi
Shear Modulus26 GPa | 3,800 ksi26 GPa | 3,800 ksi
Shear Strength165 MPa | 24,000 psi207 MPa | 30,000 psi
Melting Point582-651.7 C | 1,080-1,205 F582-651.7 C | 1,080-1,205 F
Coefficient of Thermal Expansion @ 20.0 – 100 °C Temp23.6 µm/m-°C  | 13.1 µin/in-°F23.6 µm/m-°C | 13.1 µin/in-°F
Thermal Conductivity154 W/m-K | 1070 BTU-in/hr-ft²-°F167 W/m-K | 1160 BTU-in/hr-ft²-°F
Electrical Conductivity43% IACS43% IACS
Hardness Brinell6595
Elongation at break percentage22%17%
Poissons Ratio0.330.33
Machinability Percentage50%50%

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