SPACE 2009
Quality Policy
AS 9120
Plates
Sheets
Rod / Round Bar / Flat Bar
Tube / Extrusions / Profile
2024
ASTM B221 / AlCu4Mg1 / 2024 / T4
| 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 | 260 - 330 MPa |
| Yield Strength | 395 - 495 MPa |
| Shear Strength | 283 MPa |
| Elongation A50 mm | 10% - 16% |
| Modulus of Elasticity | 73.1 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 T4 has similarities to the following standard designations and specifications:
As cold drawn round bar and wire: AMS 4120, AMS QQ-A-225/6, ASTM B211
As extruded round bar: AMS QQ-A-200/3, ASTM B221
As Alclad sheet: AMS QQ-A-250/5, AMS 4279, ASTM B209, EN 2703
As cold drawn rectangle bar: AMS QQ-A-225/95, AMS 4123
SUPPLIED FORMS
Alloy 2024 T4 is supplied in plate and sheet
- Plate
- Sheet
- Rectangle / Round Bar
DELIVERY:
| Mechanical Properties | |||
| Thickness (mm) | Proof Strength (Min.) | Yield Strength (Min.) | Elongation A50 mm % |
| over 0,25 up to & incl. 6,35 mm | 265 MPa | 427 MPa | 12% - 15% |
| over 6,35 up to & incl. 12,7 mm | 265 MPa | 427 MPa | 10% |
| over 12,7 up to & incl. 25,43 mm | 260 MPa | 420 MPa | ≥8% |
| over 25,4 up to & incl. 50,8 mm | 260 MPa | 415 MPa | ≥6% - 7% |
| over 50,8 up to & incl. 76,2 mm | 260 MPa | 400 MPa | ≥4% |
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