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7050

AMS 4342 / AlZn6CuMgZr / 7050 / T74511

Chemical Properties % Value
Silicon (Si)0,00 - 0,12
Chromium (Cr)0,00 - 0,05
Manganese (Mn)0,00 - 0,10
Magnesium (Mg)2,10 - 2,60
Copper (Cu)1,50 - 2,00
Titanium (Ti)0,00 - 0,06
Iron (Fe)0,00 - 0,15
Zinc (Zn)5,70 - 6,70
Aluminium (Al)Balance
Physical Properties Value
Density2,83 g/cm³
Melting Point488 °C
Thermal Expansion23.7 µm/m.°C
Modulus of Elasticity71 GPa
Thermal Conductivity150 W/m.K
Electrical Resistivity35% IACS
Mechanical Properties Value
Proof Strength469 MPa
Yield Strength524 MPa
Shear Strength303 MPa
Elongation A50 mm11%
Hardness140 HB
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, AMS 4026, AMS 4027
AIR 9048.210/.220/.230/.240
3.3214
EN 2694, EN 3341, EN 4213 
 

 

TEMPER TYPES
Alloy QQ-A-250/11 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
Alloy QQ-A-250/11 is supplied in plate and sheet

 

  • Plate
  • Sheet
DELIVERY: