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7075
AMS 4044 / AlZn5.5MgCu / 7075 / O
Chemical Properties | % Value |
Silicon (Si) | 0,00 - 0,40 |
Chromium (Cr) | 0,18 - 0,28 |
Manganese (Mn) | 0,00 - 0,30 |
Magnesium (Mg) | 2,10 - 2,90 |
Copper (Cu) | 1,20 - 2,00 |
Titanium (Ti) | 0,00 - 0,20 |
Iron (Fe) | 0,00 - 0,50 |
Zinc (Zn) | 5,10 - 6,10 |
Aluminium (Al) | Balance |
Physical Properties | Value |
Density | 2.81 g/cm³ |
Melting Point | 477°C |
Thermal Expansion | 23 x 10^-6 /K |
Modulus of Elasticity | 71.7 GPa |
Thermal Conductivity | 173 W/m.K |
Electrical Resistivity | %33 IACS |
Mechanical Properties | Value |
Proof Strength | 120 MPa |
Yield Strength | 240 MPa |
Shear Strength | 150 MPa |
Elongation A50 mm | %12 |
Modulus of Elasticity | 71.7 GPa |
Sheet as; AMS QQ-A-250/12, AMS 4044,ASTM B209
Alclad Sheet as; AMS QQ-A-250/13,AMS 4048,ASTM B209,WL 3.4374,DAN 424,EN 2092
Oneside Alclad Sheet as; AMS QQ-A-250/18,ASTM B209
Extrusion Seamless Pipe as; AMS QQ-A-200/11,ASTM B241
Cold Drawn as Rod,Flat Bar,Wire as; AMS QQ-A-255/9,AMS 4187,ASTM B211
Cold Drawn Seamless Pipe as; AMS-T-700/7,DIN 3.4365, A-Z5GU
Choosing Factors for 7075 O
- Strength: Average
- Machining: Poor
- Weldability: Normal
- Formability: Weak
- Corrosion Resistance: Moderate
- Heat Treating:No
Some Well-Known Applications for 7075 O:
In part that need quick change in various project,especially in military project .
Chasis for bicyles and similar light mobile vehicles.
Mechanisms like locks and keys.
- Plate
- Sheet
- Rod / Round Bar / Flat Bar
- Tube / Extrusions / Profile
Mechanical Properties | |||
Thickness (mm) | Proof Strength (Min.) | Yield Strength (Min.) | Elongation A50 mm % |
over 0.203 up to & incl. 1.57 | 136 MPa | 246 MPa | 9.0 - 10 |
over 1.60 up to & incl. 4.75 | 137 MPa | 260 MPa | 10 |
over 4.78 up to & incl. 12.7 | 143 MPa | 267 MPa | 10 |
over 12.7 up to & incl. 25.4 | 150 MPa | 274 MPa | 10 |