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  • Sheets

  • Round Bar / Bar

  • Tube / Extrusions

6061

AMS QQ-A-250/11 / 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
Iron (Fe)0,00 - 0,70
Zinc (Zn)0,00 - 0,25
Aluminium (Al)Balance
Titanium (Ti)0,00 - 0,15
Physical Properties Value
Density2.63 g/cm³
Melting Point650 °C
Thermal Expansion23.3 x10^-6 /K
Modulus of Elasticity70 GPa
Thermal Conductivity180 W/m.K
Electrical Resistivity%45,6 IACS
A medium strength aerospace aluminium alloy with, depending upon temper, Yield Strength of up to 35 ksi (240 MPa) and Tensile Strength of 42 ksi (290 MPa)

 

ALLOY DESIGNATIONS
Aluminium alloy QQ-A-250/11, 6061 has s imilarities to the following standard designations and specifications ;

 

Alloy 6061, UNS A96061, ASTM B209

AMS 4025,  3.3214

 
TEMPER TYPES
Alloy QQ-A-250/11, 6061 is supplied in a wide range of tempers:

 

  • O - Soft
  • T4 - Solution heat treated and naturaly aged to a substantially stable condition
  • T42 - Solution heat treated and naturaly aged to a substantially stable condition
  • T451 - Solution heat treated then stress relieved by stretching. Equivalent to T4.
  • T6 - Solution heat treated and artificially aged
  • T62 - Solution heat treated then artificially aged by the user
  • T651 - Solution heat treated, stress relieved by stretching then artificially aged

 

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