SPACE 2009
Quality Policy
AS 9120
Dalle
Tôle
Barre ronde
Tube/ Extrusion/ Profil
7178
AMS QQ-A-200/14 / AlZn7MgCu / 7178 / T76
| Chemical Properties | % Value |
| Silicon (Si) | 0,00 - 0,40 |
| Chromium (Cr) | 0,18 - 0,28 |
| Manganese (Mn) | 0,00 - 0,30 |
| Magnesium (Mg) | 2,40 - 3,10 |
| Copper (Cu) | 1,60 - 2,40 |
| Titanium (Ti) | 0,00 - 0,20 |
| Iron (Fe) | 0,00 - 0,50 |
| Zinc (Zn) | 6,30 - 7,30 |
| Aluminium (Al) | Balance |
| Physical Properties | Value |
| Density | 2,83 g/cm³ |
| Melting Point | 477 °C |
| Thermal Expansion | 23.5 µm/m.°C |
| Modulus of Elasticity | 71.0 GPa |
| Thermal Conductivity | 130 W/m.K |
| Electrical Resistivity | 31 % IACS |
| Mechanical Properties | Value |
| Proof Strength | 510 MPa |
| Yield Strength | 575 MPa |
| Shear Strength | 340 MPa |
| Elongation A50 mm | 8% |
| Hardness | 152 HB |
7178 T76 aluminum exhibits high strength and is widely used in aerospace applications.
ALLOY DESIGNATIONS
7178 T76 has the following standard designations and specifications.
As Plate/Sheet; 7178 T76, AMS QQ-A-250/21 (Increased exfoliation resistant), AMS QQ-A-250/14, ASTM B209, UNS A97178, ISO AlZn7MgCu
As Extruded Round/Flat Bar and Tube; 7178 T76, AMS QQ-A-200/13, AMS QQ-A-200/14 (Increased exfoliation resistant), ASTM B221, UNS A97178, ISO AlZn7MgCu
Choosing Factors for 7178 T76
- Strength: Perfect
- Machining: Poor
- Weldability: Mediocre
- Formability: Good
- Corrosion Resistance: Okay
- Heat Treating: Yes
Some Well-Known Applications for 7178 T76
In the construction industry, roof systems,
Mostly in the aerospace sector,
Used in the structure of aircraft and wing beams.
SUPPLIED FORMS
7178 T76 is produced/supplied in round/flat bar and tube/profile forms.
- Plate
- Tube/Profile
- Round/Flat Bar
- Sheet
DELIVERY:
Calculateur de Poids