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2024
AMS QQ-A-225/6 / AlCu4Mg1 / 2024 / T8
Chemical Properties | % Value |
Silicon (Si) | 0,00 - 0,50 |
Chromium (Cr) | 0,00 - 0,10 |
Manganese (Mn) | 0,30 - 0,90 |
Magnesium (Mg) | 1,20 - 1,80 |
Copper (Cu) | 3,80 - 4,90 |
Titanium (Ti) | 0,00 - 0,15 |
Iron (Fe) | 0,00 - 0,50 |
Zinc (Zn) | 0,00 - 0,25 |
Aluminium (Al) | Balance |
Physical Properties | Value |
Density | 2.78 g/cm³ |
Melting Point | 502 °C |
Thermal Expansion | 23 x 10^-6 /K |
Modulus of Elasticity | 73.1 GPa |
Thermal Conductivity | 121 W/m.K |
Electrical Resistivity | 30% IACS |
Mechanical Properties | Value |
Proof Strength | 440 MPa |
Yield Strength | 530 MPa |
Shear Strength | 300 MPa |
Elongation A50 mm | 5% |
Modulus of Elasticity | 71 GPa |
A medium to high strength alloy with, dependent upon temper, minimum Proof Stress up to 57 ksi / 390 Mpa and minimum Tensile Strength up to 66 ksi / 455 MPa
ALLOY DESIGNATIONS
Aluminium alloy 2024 T8 has similarities to the following standard designations and specifications:
As extruded round bar: AMS QQ-A-200/3, ASTM B221, DIN 3.1354
TEMPER TYPES
AMS QQ-A-225/6 is supplied in a wide range of tempers:
- T351 - Solution heat treated then stress relieved by stretching. Equivalent to T4 condition.
- T4 - Solution heat treated and naturaly aged to a substantially stable condition
- T6 - Solution heat treated then artificially aged by the user
- T851 - Solution heat treated then stress relieved by stretching then artificially aged.
SUPPLIED FORMS
Alloy 2024 T8 is supplied in round and flat bar forms.
- Round/Flat Bar
DELIVERY: