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6061

AMS 4150 / AlMg1SiCu / 6061 / T6

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 Elasticity69 GPa
Thermal Conductivity167 W/m.K
Electrical Resistivity%43 IACS
Mechanical Properties Value
Proof Strength276 MPa
Yield Strength310 MPa
Shear Strength207 MPa
Elongation A50 mm15%
Hardness95 HB

The 6061 T6 aluminum alloy is known for its high mechanical strength, excellent corrosion resistance, and good machinability. It is widely used in industrial applications such as automotive, aerospace, construction, and mechanical engineering. With its high tensile strength and hardness, 6061 T6 is an excellent choice for heavy-load and structural applications. It is also suitable for anodizing, which enhances its surface appearance while increasing its corrosion resistance.

The weldability of 6061 T6 is very high. With the proper welding techniques, it can be easily welded, making it a versatile and practical material for industrial production processes. Additionally, 6061 T6 is suitable for bending, and can be shaped with the right equipment. However, compared to the T4 temper, the T6 temper is harder and less flexible, which may result in more difficulty during the bending process.

The corrosion resistance of 6061 T6 is exceptional, and it performs well in harsh environments such as seawater. This feature makes it an ideal material for maritime and outdoor applications. Furthermore, it is capable of withstanding high-vibration environments, making it advantageous in dynamic industries like automotive and aerospace. Its high durability and long-lasting performance are key reasons for the widespread use of 6061 T6.

The advantages of 6061 T6 include high mechanical strength, corrosion resistance, anodizing compatibility, weldability, and bending properties. However, the T6 temper is more prone to a loss of hardness at low temperatures and may experience performance degradation in highly abrasive environments. Nevertheless, 6061 T6 remains an ideal choice for many industrial applications that require high performance and durability.

 

ALLOY DESIGNATIONS
 
6061 T6 has the following standard designations and specifications.

As Plate/Sheet; 6061 T6, AMS 4027, AMS QQ-A-250/11, EN 2694, AIR 9048.240, UNS A96061, WNR 3.3211, ASTM B209

As Cold Drawn Round/Flat Bar and Tube;  6061 T6, AMS 4117, AMS QQ-A-225/8, EN 2392, BS L117, UNS A96061, WNR 3.3211, ASTM B211

As Seamless Cold Drawn Round/Flat Bar and Tube; 6061 T6, AMS 4082, AMS 4083 (Hydraulic Tube), WW-T-700/6, MIL-T-7081 (Hydraulic Tube), UNS A96061, WNR 3.3211, ASTM B241

As Extruded Round/Flat Bar and Tube;  6061 T6, AMS 4113, AMS 4127, AMS 4150, AMS QQ-A-200/16 (Structural shapes), AMS QQ-A-200/8, UNS A96061, WNR 3.3211, ASTM B221

 

Choosing Factors for 6061 T6

  • Strength: Mediocre
  • Machining: Okay
  • Weldability: Excellent
  • Formability: Good
  • Corrosion Resistance: Great
  • Heat Treating: Yes
 

Some Well-Known Applications for 6061 T6

In pipelines, tank parts,

In the structure of durable consumer goods,

It has many uses, including in motor boats.

 

SUPPLIED FORMS
 
6061 T6 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. 0.5 241 290 %8
Over 0.5 up to & incl. 6.5 241 290 %10