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6061

AMS 4025 / AlMg1SiCu / 6061 / O

Chemical Properties % Value
Silicon (Si)0,40 - 0,80
Chromium (Cr)0,04 - 0,35
Manganese (Mn)0,00 - 0,15
Magnesium (Mg)0,80 - 1,20
Copper (Cu)0,15 - 0,40
Titanium (Ti)0,00 - 0,15
Iron (Fe)0,00 - 0,70
Zinc (Zn)0,00 - 0,25
Aluminium (Al)Balance
Physical Properties Value
Density2.70 g/cm³
Melting Point582 °C
Thermal Expansion23.6 µm/m.°C
Modulus of Elasticity70 GPa
Thermal Conductivity170 W/m.K
Electrical Resistivity46.5 % IACS
Mechanical Properties Value
Proof Strength76 MPa
Yield Strength124 MPa
Shear Strength84 MPa
Elongation A50 mm%20
Hardness33 HB
6061 O aluminum exhibits mid strength and is widely used in aerospace applications.

 

ALLOY DESIGNATIONS
 
6061 O has the following standard designations and specifications.

As Plate/Sheet; 6061 O, AMS 4025, AMS QQ-A-250/11, EN 2694, AIR 9048.210/230, UNS A96061, WNR 3.3211, ASTM B209

As Cold Drawn Round/Flat Bar and Tube; 6061 O, AMS 4115, BACM 171, UNS A96061, WNR 3.3211, ISO AlMg1SiCu, ASTM B211

As Seamless Cold Drawn Round/Flat Bar and Tube; 6061 O, AMS 4079 (Close tolerance), AMS 4080, UNS A96061, WNR 3.3211, ISO AlMg1SiCu, ASTM B241

As Extruded Round/Flat Bar and Tube;  6061 O, AMS 4160, UNS A96061, WNR 3.3211, ISO AlMg1SiCu, ASTM B221

 

Choosing Factors for 6061 O

  • Strength: Average
  • Machining: Fair
  • Weldability: Very good
  • Formability: Good
  • Corrosion Resistance: Great
  • Heat Treating: Yes
 

Some Well-Known Applications for 6061 O

It has many uses, including transportation, recreational products,

Pipelines and aircraft parts,

And in general, the aerospace industry.

 

SUPPLIED FORMS
 
6061 O is produced/supplied in plate/sheet round/flat bar and tube/profile forms.
  • Rod / Round Bar / Flat Bar
  • Plate
  • Sheet
  • Tube/Profile
DELIVERY:
Mechanical Properties
Thickness (mm) Proof Strength (Min.) Yield Strength (Min.) Elongation A50 mm %
Over 0.2 up to & incl. 0.5 83 152 %14
Over 0.5 up to & incl. 3.2 83 152 %16
Over 3.2 up to & incl. 12.8 83 152 %18